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API Impurities

Testosterone 17β-Carboxylic Acid

Reference StandardAvailable on request

Order Testosterone 17β-Carboxylic Acid (CAS 302-97-6) online at Zemixal: C20H28O3, COA and SDS with every lot, worldwide shipping.

Pack sizes
Testosterone 17β-Carboxylic Acid chemical structure
CAS number302-97-6
FormulaC20H28O3
Molar mass316.4 g/mol
Physical formSolid
HS code38229090
InChIKeyYQACAXHKQZCEOI-UDCWSGSHSA-N
IUPAC name(8S,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthrene-17-carboxylic acid

About Testosterone 17β-Carboxylic Acid

Zemixal lists Testosterone 17β-Carboxylic Acid for laboratories that identify, quantify or control Finasteride and its related substances. For your records (Reference Standard), the material is defined by CAS 302-97-6, formula C20H28O3 and molar mass 316.4 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

Classified under GHS with signal word Warning and hazard statements H413. 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. You receive a certificate of analysis with characterisation data with each order. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Finasteride

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

Finasteride standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Testosterone 17β-Carboxylic Acid
Product nameTestosterone 17β-Carboxylic Acid
Catalogue numberZX-024741
CAS number302-97-6
IUPAC name(8S,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthrene-17-carboxylic acid
Molecular formulaC20H28O3
Molar mass316.4 g/mol
Exact mass316.2038
GradeReference Standard
Physical formSolid
XLogP33.7
H-bond donors / acceptors1 / 3
Topological polar surface area54.4 Ų
HS code38229090
InChIKeyYQACAXHKQZCEOI-UDCWSGSHSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2C(=O)O)CCC4=CC(=O)CC[C@]34C
PubChem CID99472
Synonyms3-Oxo-4-Androsten-17-Beta-Carboxylic Acid, 3-Oxo-4-androsten-17beta-carboxylic acid, Etienic acid, Androst-4-ene-17-carboxylic acid, 3-oxo-, (17beta)-, 4-androsten-3-one-17 beta-carboxylic acid, (17beta)-3-Oxoandrost-4-ene-17-carboxylic acid, 3-Keto-4-etiocholenic acid, 4-Androsten-3-one-5-ene-17-carboxylic acid, 3-Oxo-4-androstene-17beta-carboxylic acid, 3-oxoandrost-4-ene-17beta-carboxylic acid, 4-Androsten-3-one-17beta-carboxylic acid, 3-Oxo-4-Androstene-17-Carboxylicacid

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 Warning

  • H413May cause long lasting harmful effects to aquatic life

Precautionary statements P203, P273, 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 Testosterone 17β-Carboxylic Acid
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 Testosterone 17β-Carboxylic Acid

Which CAS number identifies Testosterone 17β-Carboxylic Acid?
Testosterone 17β-Carboxylic Acid is registered under CAS 302-97-6. You may also see it listed as 3-Oxo-4-Androsten-17-Beta-Carboxylic Acid, 3-Oxo-4-androsten-17beta-carboxylic acid, Etienic acid. Our catalogue number for this item is ZX-024741.
What are the formula and molar mass of Testosterone 17β-Carboxylic Acid?
For Testosterone 17β-Carboxylic Acid, its formula is C20H28O3 and its molar mass is 316.4 g/mol. The systematic (IUPAC) name is (8S,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthrene-17-carboxylic acid. InChIKey YQACAXHKQZCEOI-UDCWSGSHSA-N lets you match it in any structure database.
How is Testosterone 17β-Carboxylic Acid used in pharmaceutical QC?
Testosterone 17β-Carboxylic Acid is a characterised reference material linked to Finasteride. 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 Testosterone 17β-Carboxylic Acid?
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 Testosterone 17β-Carboxylic Acid?
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 Testosterone 17β-Carboxylic Acid to my country?
Yes. Because Testosterone 17β-Carboxylic Acid 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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