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API Process Intermediates & Related Compounds

Stanolone

Reference StandardIn stock

Stanolone (CAS 521-18-6) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg. Catalogue no. ZX-012858.

Pack sizes
Stanolone chemical structure
CAS number521-18-6
FormulaC19H30O2
Molar mass290.4 g/mol
Physical formSolid
InChIKeyNVKAWKQGWWIWPM-ABEVXSGRSA-N
IUPAC name(5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one

About Stanolone

Researchers and plant chemists source Stanolone from Zemixal for routine and specialised work. For your records (Reference Standard), the material is defined by CAS 521-18-6, formula C19H30O2 and molar mass 290.4 g/mol. It is handled as a solid.

Typical applications

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Storage and safety notes

Classified under GHS with signal word Danger and hazard statements H351 and H360. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. You receive a batch certificate of analysis and a 16-section SDS with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Testosterone

See every impurity, metabolite and related compound we list for this API.

Testosterone standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Applications

Specifications and identifiers

Specifications of Stanolone
Product nameStanolone
Catalogue numberZX-012858
CAS number521-18-6
IUPAC name(5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one
Molecular formulaC19H30O2
Molar mass290.4 g/mol
Exact mass290.2246
GradeReference Standard
Physical formSolid
XLogP33.7
H-bond donors / acceptors1 / 2
Topological polar surface area37.3 Ų
InChIKeyNVKAWKQGWWIWPM-ABEVXSGRSA-N
SMILESC[C@]12CCC(=O)C[C@@H]1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@@H]4O)C
PubChem CID10635
Synonyms(5α,17β)-17-Hydroxyandrostan-3-one, 17β-hydroxy-5α-androstan-3-one, 4,5α-Dihydrotestosterone, 5α,17β-Hydroxyandrostan-3-one, 5α-Androstan-17β-ol-3-one, 5α-Androstanolone, 5α-Dihydrotestosterone, Androstanolone, Dihydro Testosterone, dihydrotestosterone, Androlone, Neodrol

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Danger

  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child

Precautionary statements P203, P280, P318, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Stanolone
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Stanolone

Which CAS number identifies Stanolone?
Stanolone is registered under CAS 521-18-6. You may also see it listed as (5α,17β)-17-Hydroxyandrostan-3-one, 17β-hydroxy-5α-androstan-3-one, 4,5α-Dihydrotestosterone. Our catalogue number for this item is ZX-012858.
What are the formula and molar mass of Stanolone?
For Stanolone, its formula is C19H30O2 and its molar mass is 290.4 g/mol. The systematic (IUPAC) name is (5S,8R,9S,10S,13S,14S,17S)-17-hydroxy-10,13-dimethyl-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-3-one. InChIKey NVKAWKQGWWIWPM-ABEVXSGRSA-N lets you match it in any structure database.
How is Stanolone used in pharmaceutical QC?
Stanolone is a characterised reference material linked to Testosterone. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Stanolone?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Stanolone?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Stanolone to my country?
Yes. Because Stanolone is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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