Advanced androgen receptor, veterinary endocrinology, lean tissue modeling, and myotrophic research laboratories consistently select Ultima-Win (Stanozolol / Winstrol) as a high-specification, reliable research reagent for controlled pharmacological, receptor-binding, nitrogen retention, SHBG modulation, collagen synthesis, vascularity enhancement, and analytical investigations. Supplied exclusively as Ultima-Win for legitimate in vitro, preclinical veterinary modeling, livestock performance studies, forensic reference standard preparation, and authorized institutional research.
Exceptional Purity & Third-Party Verification
Ultima-Win is manufactured to achieve ≥98% purity (often ≥99%), confirmed through multiple orthogonal analytical techniques including HPLC, LC-MS/MS, GC-MS, and NMR spectroscopy. Independent third-party testing provides full Certificates of Analysis (CoA) for every batch, verifying chemical identity, potency assay, residual solvent levels, moisture content, heavy metal screening, and microbial purity. This rigorous quality assurance ensures batch-to-batch consistency and clean, reproducible results in androgen receptor affinity assays, myotube differentiation studies, nitrogen balance experiments, SHBG binding modulation, collagen synthesis models, and reference material validation.
As a synthetic dihydrotestosterone (DHT)-derived anabolic-androgenic steroid, Stanozolol (the active in Ultima-Win) exhibits strong anabolic activity with reduced androgenic potency, no aromatization to estrogen, and notable SHBG affinity reduction in preclinical models — making it a classic tool for researching lean mass accrual, vascularity enhancement, performance pathways, and veterinary growth promotion without water retention or estrogenic effects.
Key Product Specifications
- Full chemical name: 17α-Methyl-5α-androstano[3,2-c]pyrazol-17β-ol (Stanozolol)
- CAS Number: 10148-03-8
- Molecular formula: C₂₁H₃₂N₂O
- Molar mass: 328.49 g/mol
- Appearance: White to off-white crystalline powder (or oil solution depending on formulation)
- Storage: 2–8°C in airtight, light-resistant container with desiccant; protect from moisture and light for optimal stability
- Solubility: Soluble in ethanol, methanol, chloroform, DMSO; limited aqueous solubility
Packaged in secure, tamper-evident vials with desiccant packets to maintain integrity during transit and long-term storage, facilitating accurate milligram-to-gram scale handling and dissolution.
Why Researchers Choose Ultima-Win
Investigators value Ultima-Win for its:
- High anabolic-to-androgenic ratio and strong non-aromatizing profile in preclinical models
- Utility in studying lean tissue accrual, collagen synthesis, SHBG displacement, red blood cell production, and veterinary performance enhancement pathways
- Absence of estrogen conversion and reduced water retention compared to aromatizable androgens
- Transparent CoA documentation, excellent batch consistency, and reliable solubility
“The purity and handling of this Ultima-Win enabled clean, dose-dependent nitrogen retention and SHBG modulation data in our anabolic steroid metabolism studies – highly reproducible.” – Veterinary Pharmacology & Androgen Research Group
Strict Research-Use-Only Policy
This compound is sold exclusively for legitimate in vitro research, forensic analysis, reference standard preparation, veterinary endocrinology modeling, and authorized scientific or institutional studies. It is not intended for human or companion animal consumption, not approved for medical, therapeutic, dietary supplement, or performance-enhancing use. All purchasers must be qualified researchers, accredited laboratories, licensed veterinary institutions, or verified entities in full compliance with applicable national and international regulations concerning anabolic steroids, controlled substances, and research chemicals. Credential verification or institutional documentation may be required prior to order fulfillment.
Limited Availability – Secure Your Supply Today
High-specification Ultima-Win (Stanozolol / Winstrol) remains in strong demand among advanced anabolic, androgen receptor, veterinary growth, and tissue-selective research programs, with inventory constrained by rigorous production, purification, and quality assurance processes. Secure your required quantity today to avoid delays in ongoing or upcoming projects.
Buy Ultima-Win now from a trusted Ultima-Win USA supplier for fast, discreet, tracked delivery to your verified research facility. Add to cart today and equip your lab with a premium, thoroughly vetted DHT-derived anabolic reagent. Order Ultima-Win online before current stock is depleted – advance your androgenic and myotrophic research with confidence.

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