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Metabolites & Degradation Products

3b,17b-Dihydroxy-5a-androstane

Reference StandardAvailable on request

Buy 3b,17b-Dihydroxy-5a-androstane (CAS 571-20-0) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-047751.

Pack sizes
3b,17b-Dihydroxy-5a-androstane chemical structure
CAS number571-20-0
FormulaC19H32O2
Molar mass292.5 g/mol
Physical formSolid
HS code38229090
InChIKeyCBMYJHIOYJEBSB-YSZCXEEOSA-N
IUPAC name(3S,5S,8R,9S,10S,13S,14S,17S)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol

About 3b,17b-Dihydroxy-5a-androstane

3b,17b-Dihydroxy-5a-androstane belongs to the Testosterone reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 571-20-0, formula C19H32O2 and molar mass 292.5 g/mol. It is handled as a solid.

Where it is used

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Storage and safety notes

It carries the GHS signal word Warning (H315 and H319), so wear gloves and eye protection and work with good ventilation.

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

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

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Typical uses

  • Metabolite identification
  • Stability-indicating methods
  • Impurity profiling

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 3b,17b-Dihydroxy-5a-androstane
Product name3b,17b-Dihydroxy-5a-androstane
Catalogue numberZX-047751
CAS number571-20-0
IUPAC name(3S,5S,8R,9S,10S,13S,14S,17S)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol
Molecular formulaC19H32O2
Molar mass292.5 g/mol
Exact mass292.2402
GradeReference Standard
Physical formSolid
XLogP34.2
H-bond donors / acceptors2 / 2
Topological polar surface area40.5 Ų
HS code38229090
InChIKeyCBMYJHIOYJEBSB-YSZCXEEOSA-N
SMILESC[C@]12CC[C@@H](C[C@@H]1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CC[C@@H]4O)C)O
PubChem CID242332
Synonyms3beta-androstanediol, 5alpha-Androstane-3beta,17beta-diol, 3beta,17beta-Dihydroxy-5alpha-androstane, (3beta,5alpha,17beta)-androstane-3,17-diol, 3-beta,17-beta-Androstanediol, 5.alpha.-Androstane-3.beta.,17.beta.-diol, 3.beta.,17.beta.-Dihydroxy-5.alpha.-androstane, 5-alpha-ANDROSTANE-3-beta,17-beta-DIOL, 3-beta,17-beta-Dihydroxy-5-alpha-androstane, Androstane-3,17-diol, (3.beta.,5.alpha.,17.beta.)-, Androstane-3,17-diol, (3beta,5alpha,17beta)-

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation

Precautionary statements P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

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 3b,17b-Dihydroxy-5a-androstane
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 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 3b,17b-Dihydroxy-5a-androstane

Which CAS number identifies 3b,17b-Dihydroxy-5a-androstane?
3b,17b-Dihydroxy-5a-androstane is registered under CAS 571-20-0. You may also see it listed as 3beta-androstanediol, 5alpha-Androstane-3beta,17beta-diol, 3beta,17beta-Dihydroxy-5alpha-androstane. Our catalogue number for this item is ZX-047751.
What are the formula and molar mass of 3b,17b-Dihydroxy-5a-androstane?
For 3b,17b-Dihydroxy-5a-androstane, its formula is C19H32O2 and its molar mass is 292.5 g/mol. The systematic (IUPAC) name is (3S,5S,8R,9S,10S,13S,14S,17S)-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,17-diol. InChIKey CBMYJHIOYJEBSB-YSZCXEEOSA-N lets you match it in any structure database.
How is 3b,17b-Dihydroxy-5a-androstane used in pharmaceutical QC?
3b,17b-Dihydroxy-5a-androstane 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 3b,17b-Dihydroxy-5a-androstane?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 3b,17b-Dihydroxy-5a-androstane?
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 3b,17b-Dihydroxy-5a-androstane to my country?
Yes. Because 3b,17b-Dihydroxy-5a-androstane 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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