Stanozolol first stood out in the late 1950s, a product of research by Winthrop Laboratories in an era hungry for synthetic anabolic steroids. Its creation stemmed from a drive to experiment beyond basic testosterone, seeking effects that could aid recovery and muscle growth without the drawbacks of earlier steroids. By the 1960s, doctors prescribed stanozolol under the brand name Winstrol to treat hereditary angioedema, anemia, and muscle wastage tied to chronic illness. Its fame grew in professional athletics for the edge it gave to muscle hardening and performance, partly due to the 1988 Ben Johnson Olympic doping scandal, which brought the substance into public focus. Over decades, sports authorities reacted by tightening rules and developing better detection tools, but stanozolol’s influence on medicine and sports lingers in debates around enhancement, fairness, and health risks.
Stanozolol comes as a synthetic derivative of dihydrotestosterone (DHT), altered to boost anabolic impact and reduce androgenic side effects. It arrives both in oral tablets and injectable form, making it unique among anabolic steroids which rarely offer both options. Stanozolol’s structure prevents it from aromatizing to estrogen, so users avoid side effects like water retention and gynecomastia. On prescription, doctors use it to support bone density and muscle growth, and to treat blood disorders. The misuse outside medicine, mostly in bodybuilding or horse racing, stems from its reputation for promoting lean muscle gains and faster vascularity, even at lower dosages. But its accessibility pushed health regulators to tighten its control, classifying it as a controlled substance in many countries.
Stanozolol brings a white or off-white crystalline form, only slightly soluble in water and more soluble in alcohol and other organic solvents. Its melting point sits around 172–180°C, a trait reflecting tight molecular bonding within its modified DHT skeleton. Chemically, its molecular formula lands at C21H32N2O, with a molecular weight close to 328.5 g/mol. Adding a pyrazole ring to the traditional A-ring of the steroid backbone gives stanozolol unique biological activity and distinguishes it from other steroids. No appreciable odor appears, and once handled, the substance’s fine powder can become airborne, so ventilation makes a difference in controlled lab environments.
Proper labeling lists CAS number 10418-03-8 along with batch numbers, expiration dates, and country-specific regulatory details. Tablets tend to deliver doses in the 2–10 mg range and injectables often present 50 mg per milliliter. Medical packaging always lays out instructions for storage: keep away from heat, light, and moisture to preserve compound stability. Regulations demand tamper-proof containers and lot traceability for quality assurance, since issues with dosing, impurities, or degradation weaken both efficacy and safety for end users. Each batch undergoes HPLC or mass spectroscopy evaluation to confirm concentration and check for common impurities, in line with pharmacopeia standards.
Manufacturers synthesize stanozolol using 17α-methylation of the DHT molecule, which boosts oral bioavailability by shielding the molecule from immediate liver breakdown. Chemists start with the DHT base, carrying out methylation at the 17-alpha position, then cyclization with hydrazine hydrate to form the pyrazole ring. These steps require careful temperature control and the use of organic solvents like chloroform or methanol, with multiple purification stages following synthesis. Crystallization, filtration, and vacuum drying narrow down impurities and provide the fine, pure end product. Analytical procedures at each step reduce risk of cross-contamination, reflecting lessons learned from past pharmaceutical recalls and enforcement actions.
Stanozolol’s chemical skeleton resists aromatization thanks to the pyrazole ring, which blocks enzymes that normally convert other androgens into estrogen. This structural tweak drives its non-estrogenic reputation. The molecule can withstand light acid or base hydrolysis but begins to degrade under strong oxidizing agents. Chemists sometimes attach other side chains or functional groups, but such changes nearly always compromise its anabolic potential. Its 17α-methyl group makes it less prone to immediate hepatic breakdown, but also places a strain on liver function during long-term or high-dose use. These properties show up not only in pharmaceutical labs but in the strict anti-doping policies led by WADA and national regulators.
Across pharmaceutical markets, doctors and pharmacists recognize stanozolol by names like Winstrol, Stromba, or Strombaject. Underground or research circles use shorthand like "Winny." Synonyms include stanazol, stanol, and its full IUPAC name: 17α-methyl-5α-androstano[3,2-c]pyrazol-17β-ol. Veterinary formulations rely on similar trade names, aimed at racing animals in need of muscle conservation and stamina recovery. This variety in naming presents problems for regulators who seek to trace its presence in supplements or identify black market variants. Each version may vary in purity or concentration, depending on the source, raising extra red flags for safety and detection.
Healthcare providers track every stanozolol prescription, advising close monitoring of liver function, lipid profile, and blood pressure. Athletes and patients who stray into unsupervised use put themselves at risk for liver toxicity, cholesterol problems, and cardiovascular strain. Pharmaceutical production requires sealed, ventilated spaces and protective gear to prevent staff exposure to airborne dust. Storage demands cool, dry places free from sunlight, as exposure degrades the active substance. Regular audits, batch testing, and strict chain-of-custody paperwork set basic safety standards in regulated environments. Regulatory agencies and anti-doping organizations share public guidance, yet online markets and counterfeiters often disregard these rules, complicating efforts to protect users.
Doctors once prescribed stanozolol for anemia, osteoporosis, and hereditary angioedema, valuing its ability to stimulate erythropoiesis and protein synthesis. Over time, these uses narrowed, given new therapies with fewer adverse effects and less abuse potential. Stanozolol kept popularity in veterinary medicine, where trainers use it to rebuild muscle mass in sick or injured animals, notably racehorses. In bodybuilding communities, curiosity about stanozolol lingers due to its record for delivering muscle definition without the bloat that comes from estrogenic steroids. Amateur and elite athletes risk sanctions or bans if tests catch the drug in their systems, but some still gamble, drawn by short cycles that leave less trace. Medical practice continues to move away, driven by mounting evidence about long-term harm.
Current medical research circles back to stanozolol’s past successes and failures. Scientists keep dissecting its tissue-selective mechanisms to inform development of safer, more targeted anabolic treatments. Some pursue analogues with reduced liver strain or non-steroid alternatives that foster healing without traditional side effects. Pharmaceutical companies learn from the mistakes of over-promising muscle growth in past decades, now demanding longer pre-clinical trials and better post-market surveillance. On the detection front, forensic labs boost screening sensitivity by deploying advanced chromatography and mass spectrometry, trying to keep pace with novel forms and designer knock-offs. Ongoing transparency between regulators, chemists, and health authorities shapes new strategies to limit non-medical use while fostering legitimate drug discovery.
Studies link repeated or high-dose stanozolol use with hepatotoxicity, seen through elevations in liver enzymes, bile flow disruption, and sometimes rare but fatal tumors. Cholesterol profiles worsen under exposure, since stanozolol lowers HDL (“good”) cholesterol and raises LDL (“bad”) cholesterol — a combination that pushes up cardiac risk. Animal studies flag kidney and reproductive toxicity from chronic exposure, and similar findings now drive stricter guidelines for human use. In teenagers, early steroid use stunts growth and disrupts hormonal balance permanently. Researchers invest time in long-term follow-up, charting how short courses can leave lasting metabolic fingerprints, and how genetic factors change susceptibility among different populations. This growing body of knowledge supports more precise risk warnings and points to the value of regular bloodwork for any user, whether clinical or not.
Changes in how medicine looks at stanozolol rest on two currents: stricter legal controls and demand for personalized, safer therapies. Drug developers hunt for new steroid and non-steroid molecules that encourage bone growth or speed up muscle repair, but without the negatives that sunk stanozolol’s medical reputation. In sports, advances in gene editing, nutrition, and physical therapy may eclipse the old reliance on synthetic steroids. For the foreseeable future, stanozolol stays mostly off prescription pads, except in rare conditions where other treatments fall short. The lesson from decades of use comes down to vigilance, responsible regulation, and honest patient communication — all connecting back to the real impact these drugs have had for good and for harm.
Stanozolol grabbed headlines over the years because professional athletes used it to boost physical performance. Developed in the 1960s, this synthetic anabolic steroid, better known as Winstrol, built an infamous reputation after track and field scandals. The common image—muscular athletes chasing medals—tells only part of the story. Doctors prescribed this drug originally for real medical problems, not just bulging biceps or sprinting a bit faster.
Some people deal with muscle-wasting diseases, severe weight loss, or hereditary swelling attacks that flip a regular life upside-down. For women with angioedema, sudden bouts of facial or throat swelling force emergency ER visits. Stanozolol helped keep those episodes at bay. This therapy reduced hospital trips and offered a lifeline. It never offered a cure, but it handed people better odds and more freedom. I once spoke with someone managing hereditary angioedema. They described Stanozolol as the reason they could stay in school and keep friendships. That’s a reason to value science—real impact on daily living.
The Olympic scene under the bright stadium lights? That told a different story. Ben Johnson’s sprint controversy in 1988 became a symbol of how Stanozolol altered sports and public trust. Athletes pumped it for extra muscle strength, quicker healing, and faster recovery after bone injuries. Stanozolol improves red blood cell production, so more oxygen surges through the body, helping athletes push past natural fatigue. People hope for shortcuts to strength or a better body, but the risks stack up quickly. Science points to increased harm rather than hidden benefits. Blood pressure jumps. The heart works harder. Cholesterol levels creep upward. The best genetic starting point still loses to drug-induced changes, and that leaves behind lasting damage—sometimes after the medals fade.
Stanozolol can strain the liver, sometimes with irreversible outcomes. Acne, aggressive behavior, hair loss in men, and menstrual disruptions in women mark other real problems. Teenage athletes can wind up stunted, physically and emotionally. Prescription rules exist for more than bureaucracy—they exist to help limit these harms. In my circle, stories of regret from gym goers who thought a “cycle” now and then wouldn’t matter pop up again and again. Instead, many ended up fighting anger, mood swings, and even guilt for letting down family members who noticed the changes. The risk outweighs the reward, proven by clinical research and human experience over decades.
Athletes, coaches, and everyday folks looking for stronger bodies stand at a crossroads: Push for quick fixes, or invest in the foundation of health—rest, nutrition, and hard work. Education and transparent discussions can steer people toward long-term fitness instead of risky shortcuts. Doctors keep calling for strict controls on substances like Stanozolol. Law enforcement and sports agencies have tightened the net, but public myths about steroids need more honest talk. With the science we know now, prevention and support work far better than punishment and scandal-chasing. In every gym, on every field, conversations based on facts—not just fear—bring better results than turning a blind eye.
Stanozolol played dual roles—helping certain patients, but tempting too many into harm. Relying on the science, talking openly about risks, and building communities that value natural strengths stand out as the way forward. As more people share honest stories, we can shift the conversation away from shortcuts and toward health that stands the test of time.
Stanozolol grabs a lot of attention in gyms and sports circles. With promises of muscle gain and a lean body, some see it as a fast track to an image sold by fitness magazines. Years back, I watched a friend get caught in this trap. He started a cycle because a coach, barely older than him, claimed it would push his progress over the top. Results did come, but so did a wave of new problems that didn't fit the glossy image in his mind.
The liver takes a major hit from stanozolol. This isn’t just a minor warning on a label; blood tests often show spikes in liver enzymes soon after starting. Doctors stress that oral steroids like stanozolol can bring on serious liver stress. In rare cases, it has led to hepatitis and life-threatening tumors. Even those who never touch alcohol tell stories about yellowing eyes, fatigue, and pain beneath the ribs. These aren't scare tactics. The damage sticks around long after the muscle gains fade.
Regular cycles can throw hormones out of order. Men face shrunken testicles, low testosterone, and sometimes even grow breast tissue. Just as real: terrible mood swings and unpredictable anger. Women see their voices deepen, facial hair grow, and periods stop. All this comes down to disrupting the body’s natural hormone balance. Fixing this takes months—sometimes years—after stopping the drug.
Cholesterol changes sneak up fast. Stanozolol drops “good” HDL and pumps up “bad” LDL cholesterol. That means hardened arteries and a much higher risk of heart attack, even in people who never smoked or had heart issues before. Some users get hypertension so severe they land in the emergency room. Hearing a gym buddy blame shortness of breath and crushing headaches on “hard training” misses the mark; these are warning signs.
Stanozolol is notorious for making users feel dry and brittle in the joints. Some report sharp pain during regular lifts and ruptured tendons with no warning. This effect can push promising lifters toward long-term injuries and chronic pain. There’s a reason college trainers and seasoned doctors warn about these risks—they’ve seen the aftermath.
Most of the real information comes from open talks with health professionals, not locker-room gossip or internet forums full of half-truths. Testing, honest questions, and medical guidance go further than any shortcut ever will. Those already using stanozolol need regular liver and hormone screening. If someone feels tempted by promises of quick muscle, it makes sense to talk to others who have seen the long-term downsides up close.
Fitness and sports can be powerful, healthy pursuits, but shortcuts like stanozolol carry heavy costs far beyond a few extra pounds of muscle.
Stanozolol, often called Winstrol, became famous through stories about bodybuilders and athletes seeking a stronger edge. It’s an anabolic steroid developed decades ago, promising muscle growth, lean physique, and a boost in performance. Medical professionals sometimes prescribe it for specific conditions like hereditary angioedema, which causes swelling. Most folks hear about it through headlines on sports bans and legal cases.
In the United States, you’ll find that stanozolol sits with other controlled substances in the Schedule III category. This puts it alongside certain painkillers and testosterone replacements. Doctors do have the legal authority to prescribe stanozolol for real medical needs. Without a prescription, both buying and using stanozolol cross a legal line — penalties can include fines or even jail, depending on the situation. Pharmacies aren’t filling over-the-counter requests for stanozolol, and online sellers offering without a prescription risk serious legal trouble.
Other countries see things in different shades. In the United Kingdom, stanozolol counts as a Class C drug. Personal use doesn’t always land people in court, but importing, producing, or distributing can put someone behind bars. Australia, Canada, and many European countries follow a similar path. Regulations often shift; anyone considering stanozolol should check the laws where they live. International mail orders might sound convenient, but customs agencies seize shipments, and buyers could face investigation.
Plenty of people try to sidestep the law for the promised benefits. As someone who’s spent time listening to stories at gyms, I know many folks trust word-of-mouth instead of talking with doctors. Side effects rarely get discussed in public. Liver damage, mood swings, changes in cholesterol, and even heart risks attach themselves to stanozolol. Some who took steroids in their teens now face health problems years later. Men talk about shrunken testicles; women worry about unwanted hair growth and deeper voices. These issues don’t care about athletic goals or competition trophies.
Beyond health problems, purity is never guaranteed outside the pharmacy. Underground labs might add fillers or substitute cheaper chemicals. People hoping for lean muscle get exposed to unknown risks. Testing from public health labs revealed cases where supplements labeled “Winstrol” didn’t have any at all, or worse, contained toxic substances.
Drug testing is a normal part of many jobs, not just sports. Firefighters, truck drivers, and police officers can lose paychecks after a failed screen. Synthetic steroids show up on common drug tests, and employers won’t excuse “I didn’t know.” A quick muscle boost isn’t worth losing years of career progress.
Young athletes often face the most pressure. Coaches and peers talk up performance with hardly any discussion of long-term cost. Social media plays its part, showing off lean bodies and suggesting shortcuts. Honest education and open discussions beat scare tactics for helping people make smart choices. If someone feels tempted, counselors and medical professionals offer insight without judgement.
Doctors and trainers should share honest, plain-talk education. Gyms and schools could reach more people with real stories—highlighting not just the highlights, but setbacks too. If someone faces pressure to use any performance drugs, connecting with a healthcare provider early keeps options open. Real life proves that shortcuts rarely pay off, and integrity in sports—and health—remains worth defending.
Around gyms and in competitive sports, stanozolol comes up in conversations about muscle, speed, and recovery. The reputation goes back decades, tracing roots to bodybuilders and track athletes looking for a boost. The promise is tempting: lean muscle, harder definition, a chance to recover faster from training. Legal channels recognize it for a handful of medical conditions, but black-market sources sell it in all sorts of doses. People want the results but rarely stick around for real conversations about the risks.
Dosing with stanozolol carries heavy consequences. In medical settings, doctors might use it for hereditary angioedema or certain types of anemia. Here, the range sits at about 2 to 6 mg per day by mouth. These doses come with blood tests and supervision. Off-label, the numbers shoot up. Injectables enter the mix: 50mg every other day for muscle gain, sometimes more among those copying pros they saw on internet forums.
The mistake is thinking more always brings better results. Stanozolol taxes the liver, even in people with perfect health. Researchers in clinical pharmacology confirm that oral versions especially push liver enzymes higher. Some users have reported dark-colored urine and jaundice after less than two months. That’s real-life damage that doesn’t get fixed with a simple supplement or herbal tea. No big secret, then, why the FDA and WADA both stand firm against its non-medical use.
Pumping iron myself, I’ve watched people shrug off the impact. Acne, hair loss, joint pain—these surface early on. Long-term hits the heart, blood lipids, and testosterone balance. Everyone wishes for more muscle and less fat, but a trade-off like this turns ugly fast. Men see shrinking testicles and breast tissue. Women sometimes get deeper voices and facial hair. Medical literature has shown stanozolol can drop HDL cholesterol by nearly half in under two months. Cardiologists reading those studies now warn that heart risk climbs with every extra dose.
Real safety comes from proper medical oversight. That’s not the same as a personal trainer passing vials in the locker room. I’ve met only a few doctors willing to talk openly about anabolic steroids, because liability hangs everywhere. Yet even those experts agree: absolute minimum dosing at the shortest timeline helps avoid the worst outcomes. Doctors do bloodwork every few weeks, checking liver enzymes, cholesterol, and hormone profiles. Athletes trying to self-medicate skip all this, doubling risk for permanent harm.
If someone feels backed into a corner and ignores all warnings, at least take steps to lower damage. Don’t stack drugs. Never buy from random online shops. Run labs before and after every cycle. Skip alcohol—stanozolol and booze don’t mix. A diet full of fruits and leafy greens, plus omega-3s, brings mild protection for heart and liver. Far too many ignore post-cycle therapy, leaving hormone systems in chaos. Experienced sports doctors often insist on clomiphene or tamoxifen to kickstart recovery. A community based on honesty, not insta-fame, supports smarter decisions than anything found in forums or back alleys.
Stanozolol, widely known in athletic circles as Winstrol, often draws attention for its use in performance enhancement. This synthetic anabolic steroid appeals to bodybuilders and athletes who want to edge out the competition or look a certain way. Sports authorities and even employers keep a close watch for banned substances, and stanozolol sits high on many testing lists.
Labs use specialized tests to catch traces of stanozolol. Most organizations that run competitive sports maintain partnerships with certified labs. These labs use techniques like gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-tandem mass spectrometry (LC-MS/MS). These methods don’t just skim the surface; they dig deep into urine or blood samples to spot even small amounts.
Numbers underline the reliability. For instance, stanozolol and its metabolites linger in the body, showing up in urine tests for at least 10 days and sometimes as long as a month after the last dose. No over-the-counter supplement fudges those results or forces the drug out unnoticed. Some folks believe drinking gallons of water or using so-called “detox” kits buys a clean report, but science keeps proving otherwise.
Detection serves a bigger purpose than simply catching someone bending the rules. Stanozolol can boost muscle growth but puts a massive strain on the liver and heart. I’ve seen passionate athletes chase a short-term win and wind up with lasting health problems. Medicines like these can also mask injuries, so a player might push through pain and risk something worse.
Athletes who unsuspectingly use supplements have another concern. The supplement industry lacks strong oversight, and contamination happens more than most people suspect. College athletes and even high schoolers sometimes fall into this trap. Knowing that tests pick up stanozolol and similar steroids encourages folks to check labels, ask questions, and report anything that feels off.
Testing keeps everyone honest. It also protects athletes’ health and helps maintain some sense of fair play. Expanding education plays a big role. Clinics, schools, and coaches need to start conversations about what’s banned and why it matters. Routine testing, without warning, drops the odds of skirting the rules.
Organizations can take a page from sports where random, unannounced tests happen. In those settings, cases of performance-enhancing drug use fall. A few years back, an internationally recognized track and field star lost a major medal after a routine test showed stanozolol in their system. That case made headlines, but it also fired up younger athletes to steer clear of risky shortcuts.
Athletes who need medication for legitimate reasons can apply for exemptions. Policies must be clear and support open conversation between doctors and athletes. Transparency helps everybody see the bigger picture and trust the process.
Moving forward, labs will only get sharper. Stanozolol can’t hide, even as people try new ways to dodge detection. As technology tightens, the best defense remains open communication, regular education, and a community focus on well-being over winning at any cost.
| Names | |
| Preferred IUPAC name | (5α,17β)-17-Hydroxy-2′,3′-dihydro-5′H-pyrazolo[1′,2′-a]androstan-17-one |
| Other names |
Winstrol
Winny Stanolone Stanazol Stanazolol Stromba Strombaject Stanabolic |
| Pronunciation | /stəˈnɒzə.lɒl/ |
| Preferred IUPAC name | (17β)-17-Hydroxy-2',3'-pyrrolidino-5α-androstano[3,2-c]pyrazole |
| Other names |
Winstrol
Stanazol Stanazolic Stanol Stanozololum Stromba Strombaject |
| Pronunciation | /stəˈnɒzəˌlɒl/ |
| Identifiers | |
| CAS Number | 10418-03-8 |
| Beilstein Reference | 1898056 |
| ChEBI | CHEBI:9249 |
| ChEMBL | CHEMBL1407 |
| ChemSpider | 2116 |
| DrugBank | DB06718 |
| ECHA InfoCard | 100.032.340 |
| EC Number | 210-180-0 |
| Gmelin Reference | 117030 |
| KEGG | C07972 |
| MeSH | D013199 |
| PubChem CID | 25249 |
| RTECS number | GM9275000 |
| UNII | Y5L0YP487S |
| UN number | UN2811 |
| CAS Number | 10418-03-8 |
| Beilstein Reference | 3580860 |
| ChEBI | CHEBI:9347 |
| ChEMBL | CHEMBL1409 |
| ChemSpider | 54677 |
| DrugBank | DB06718 |
| ECHA InfoCard | echa.infocard:100.000.120 |
| EC Number | 211-307-8 |
| Gmelin Reference | 65731 |
| KEGG | C07673 |
| MeSH | D013238 |
| PubChem CID | 25249 |
| RTECS number | GM9275000 |
| UNII | Y5L26W9QSY |
| UN number | UN2811 |
| Properties | |
| Chemical formula | C21H32N2O |
| Molar mass | 344.539 g/mol |
| Appearance | White or almost white crystalline powder |
| Odor | Odorless |
| Density | 1.13 g/cm3 |
| Solubility in water | Practically insoluble in water |
| log P | 2.97 |
| Vapor pressure | 4.13E-07 mmHg at 25°C |
| Acidity (pKa) | 4.6 |
| Basicity (pKb) | 3.89 |
| Refractive index (nD) | 1.601 |
| Viscosity | Viscous liquid |
| Dipole moment | 2.12 D |
| Chemical formula | C21H32N2O |
| Molar mass | 344.539 g/mol |
| Appearance | White or almost white crystalline powder |
| Odor | Odorless |
| Density | 1.13 g/cm3 |
| Solubility in water | Practically insoluble |
| log P | 2.87 |
| Acidity (pKa) | pKa = 11.08 |
| Basicity (pKb) | 3.13 |
| Refractive index (nD) | 1.607 |
| Dipole moment | 2.74 D |
| Thermochemistry | |
| Std enthalpy of formation (ΔfH⦵298) | -204.7 kJ/mol |
| Std enthalpy of formation (ΔfH⦵298) | -236.7 kJ/mol |
| Std enthalpy of combustion (ΔcH⦵298) | -6694 kJ/mol |
| Pharmacology | |
| ATC code | A14AA02 |
| ATC code | A14AA02 |
| Hazards | |
| Main hazards | Suspected of causing cancer, may damage fertility or the unborn child, harmful if swallowed, causes liver damage. |
| GHS labelling | GHS02, GHS07 |
| Pictograms | Harmful if swallowed, Causes damage to organs, Not for pregnant women |
| Signal word | Danger |
| Hazard statements | Harmful if swallowed. Causes damage to organs through prolonged or repeated exposure. Suspected of causing cancer. |
| Precautionary statements | P201, P202, P281, P308+P313, P405, P501 |
| NFPA 704 (fire diamond) | 1-1-0 |
| Flash point | 215.6 °C |
| Lethal dose or concentration | LD50 (rat, oral): > 5000 mg/kg |
| LD50 (median dose) | > 370 mg/kg (rat, oral) |
| NIOSH | WV5950000 |
| PEL (Permissible) | PEL for Stanozolol: Not established |
| REL (Recommended) | **10 mg/day** |
| IDLH (Immediate danger) | Not established |
| Main hazards | Harmful if swallowed, may cause liver damage, potential for abuse, reproductive toxicity, and cardiovascular effects. |
| GHS labelling | GHS07, GHS08, Warning |
| Pictograms | Steroid; Prescription only; Doping; Oral/Injectable; Liver risk; Not for pregnancy |
| Signal word | Danger |
| Hazard statements | H302: Harmful if swallowed. H361: Suspected of damaging fertility or the unborn child. |
| Precautionary statements | P201, P202, P281, P308+P313, P405, P501 |
| NFPA 704 (fire diamond) | Health: 2, Flammability: 1, Instability: 0, Special: - |
| Flash point | 99.2°C |
| Lethal dose or concentration | LD50 (oral, rat): >5,000 mg/kg |
| LD50 (median dose) | > 5.0 mg/kg (rat, oral) |
| NIOSH | UNQ4846000 |
| PEL (Permissible) | PEL (Permissible Exposure Limit) for Stanozolol: Not established |
| REL (Recommended) | 20 mg per day |
| IDLH (Immediate danger) | Not established |
| Related compounds | |
| Related compounds |
Androstanolone
Drostanolone Methandriol Metenolone Oxandrolone Oxymetholone |