Methyl-1-testosterone

Name: Methyl-1-testosterone
Brand: Zemixal
SKU: ZX-045937

Reference StandardAvailable on request

Order Methyl-1-testosterone (CAS 65-04-3) online at Zemixal: C20H30O2, COA and SDS with every lot, worldwide shipping. Part of our API Impurities range.

Pack sizes

Methyl-1-testosterone chemical structure

CAS number65-04-3

FormulaC₂₀H₃₀O₂

Molar mass302.5 g/mol

Physical formSolid

HS code38229090

InChIKeyJRNSSSJKIGAFCT-YDSAWKJFSA-N

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

About Methyl-1-testosterone

Methyl-1-testosterone belongs to the Oxandrolone reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 65-04-3, formula C20H30O2 and molar mass 302.5 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Safe handling

Classified under GHS with signal word Danger and hazard statements H302+H312+H332, H302, H312 and H315. Read the SDS before first use.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Oxandrolone

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

Oxandrolone 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 Methyl-1-testosterone
Product name	Methyl-1-testosterone
Catalogue number	ZX-045937
CAS number	65-04-3
IUPAC name	(5S,8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13,17-trimethyl-5,6,7,8,9,11,12,14,15,16-decahydro-4H-cyclopenta[a]phenanthren-3-one
Molecular formula	C₂₀H₃₀O₂
Molar mass	302.5 g/mol
Exact mass	302.2246
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	JRNSSSJKIGAFCT-YDSAWKJFSA-N
SMILES	C[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C)O)CC[C@@H]4[C@@]3(C=CC(=O)C4)C
PubChem CID	7092657
Synonyms	17β-Hydroxy-17α-methyl-5α-androst-1-ene-3-one, 17alpha-Methyl-17beta-hydroxy-5alpha-androst-1-en-3-one, 17beta-Hydroxy-17alpha-methyl-5alpha-androst-1-ene-3-one, 17beta-hydroxy-17alpha-methyl-5alpha-androst-1-en-3-one, 17alpha-Methyl-17beta-hydroxy-delta1-5alpha-androsten-3-one, Androst-1-en-3-one, 17-hydroxy-17-methyl-, (5alpha,17beta)-, (5alpha,17beta)-17-Hydroxy-17-methylandrost-1-en-3-one, 17.beta.-hydroxy-17.alpha.-methyl-5.alpha.-androst-1-en-3-one, 17a-Methyl-1-testosterone, 17alpha-Methyl-1-testosterone

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

Safety and GHS hazards

Irritant or harmful

Health hazard

Signal word Danger

H302+H312+H332Harmful if swallowed, in contact with skin or if inhaled
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
H360May damage fertility or the unborn child

Precautionary statements P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P317, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Methyl-1-testosterone
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 Methyl-1-testosterone

Which CAS number identifies Methyl-1-testosterone?

Methyl-1-testosterone is registered under CAS 65-04-3. You may also see it listed as 17β-Hydroxy-17α-methyl-5α-androst-1-ene-3-one, 17alpha-Methyl-17beta-hydroxy-5alpha-androst-1-en-3-one, 17beta-Hydroxy-17alpha-methyl-5alpha-androst-1-ene-3-one. Our catalogue number for this item is ZX-045937.

What are the formula and molar mass of Methyl-1-testosterone?

For Methyl-1-testosterone, its formula is C20H30O2 and its molar mass is 302.5 g/mol. The systematic (IUPAC) name is (5S,8R,9S,10R,13S,14S,17S)-17-hydroxy-10,13,17-trimethyl-5,6,7,8,9,11,12,14,15,16-decahydro-4H-cyclopenta[a]phenanthren-3-one. InChIKey JRNSSSJKIGAFCT-YDSAWKJFSA-N lets you match it in any structure database.

How is Methyl-1-testosterone used in pharmaceutical QC?

Methyl-1-testosterone is a characterised reference material linked to Oxandrolone. 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 Methyl-1-testosterone?

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 Methyl-1-testosterone?

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 Methyl-1-testosterone to my country?

Yes. Because Methyl-1-testosterone 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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