1a-Methylandrosterone

Name: 1a-Methylandrosterone
Brand: Zemixal
SKU: ZX-036782

Reference StandardAvailable on request

Buy 1a-Methylandrosterone (CAS 3398-67-2) from Zemixal. Request a quote with price, lead time and documents. Part of our API Impurities range.

Pack sizes

1a-Methylandrosterone chemical structure

CAS number3398-67-2

FormulaC₂₀H₃₂O₂

Molar mass304.5 g/mol

Physical formSolid

HS code38229090

InChIKeyUBSQZFBBZMBPFF-XHSSWRBBSA-N

IUPAC name(1S,3R,5S,8R,9S,10S,13S,14S)-3-hydroxy-1,10,13-trimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-17-one

About 1a-Methylandrosterone

1a-Methylandrosterone belongs to the Androsterone reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 3398-67-2, formula C20H32O2 and molar mass 304.5 g/mol. It is handled as a solid.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Androsterone

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

Androsterone standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of 1a-Methylandrosterone
Product name	1a-Methylandrosterone
Catalogue number	ZX-036782
CAS number	3398-67-2
IUPAC name	(1S,3R,5S,8R,9S,10S,13S,14S)-3-hydroxy-1,10,13-trimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-17-one
Molecular formula	C₂₀H₃₂O₂
Molar mass	304.5 g/mol
Exact mass	304.2402
Grade	Reference Standard
Physical form	Solid
XLogP3	4.1
H-bond donors / acceptors	1 / 2
Topological polar surface area	37.3 Å²
HS code	38229090
InChIKey	UBSQZFBBZMBPFF-XHSSWRBBSA-N
SMILES	C[C@H]1C[C@H](C[C@H]2[C@]1([C@H]3CC[C@]4([C@H]([C@@H]3CC2)CCC4=O)C)C)O
PubChem CID	12133280
Synonyms	1alpha-Methylandrosterone, 1alpha-methyl-5alpha-androstan-3alpha-ol-17-one, 3alpha-Hydroxy-1alpha-methyl-5alpha-androstan-17-one, (1alpha,3alpha,5alpha)-3-Hydroxy-1-methylandrostan-17-one, Androstan-17-one, 3-hydroxy-1-methyl-, (1alpha,3alpha,5alpha)-, 1alpha-Methyl-5alpha-androstan-3alpha-ol-17- one, 1alpha-Methyl-5alpha-androstan-3alpha-ol-17-one degrees

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

Safety and GHS hazards

Health hazard

Signal word Warning

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 1a-Methylandrosterone
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

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

Questions about 1a-Methylandrosterone

Which CAS number identifies 1a-Methylandrosterone?

1a-Methylandrosterone is registered under CAS 3398-67-2. You may also see it listed as 1alpha-Methylandrosterone, 1alpha-methyl-5alpha-androstan-3alpha-ol-17-one, 3alpha-Hydroxy-1alpha-methyl-5alpha-androstan-17-one. Our catalogue number for this item is ZX-036782.

What are the formula and molar mass of 1a-Methylandrosterone?

For 1a-Methylandrosterone, its formula is C20H32O2 and its molar mass is 304.5 g/mol. The systematic (IUPAC) name is (1S,3R,5S,8R,9S,10S,13S,14S)-3-hydroxy-1,10,13-trimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta[a]phenanthren-17-one. InChIKey UBSQZFBBZMBPFF-XHSSWRBBSA-N lets you match it in any structure database.

How is 1a-Methylandrosterone used in pharmaceutical QC?

1a-Methylandrosterone is a characterised reference material linked to Androsterone. 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 1a-Methylandrosterone?

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 1a-Methylandrosterone?

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 1a-Methylandrosterone to my country?

Yes. Because 1a-Methylandrosterone 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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