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Pharmacopeial Impurities (EP / USP / BP)

Dutasteride EP Impurity A

Reference StandardAvailable on request

Buy Dutasteride EP Impurity A (CAS 104239-97-6) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Quotes within one business day.

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Dutasteride EP Impurity A chemical structure
CAS number104239-97-6
FormulaC19H27NO3
Molar mass317.4 g/mol
Physical formSolid
HS code38229090
InChIKeyFDESQZBVTKLIQN-MLGOENBGSA-N
IUPAC name(1S,3aS,3bS,5aR,9aR,9bS,11aS)-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,9b,10,11-dodecahydroindeno[5,4-f]quinoline-1-carboxylic acid

About Dutasteride EP Impurity A

Zemixal lists Dutasteride EP Impurity A for laboratories that identify, quantify or control Dutasteride and its related substances. For your records (Reference Standard), the material is defined by CAS 104239-97-6, formula C19H27NO3 and molar mass 317.4 g/mol. It is handled as a solid.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Handling and storage

Hazard communication follows GHS (Warning: H302 and H361). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes 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 Dutasteride

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

Dutasteride standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Dutasteride EP Impurity A
Product nameDutasteride EP Impurity A
Catalogue numberZX-024416
CAS number104239-97-6
IUPAC name(1S,3aS,3bS,5aR,9aR,9bS,11aS)-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,9b,10,11-dodecahydroindeno[5,4-f]quinoline-1-carboxylic acid
Molecular formulaC19H27NO3
Molar mass317.4 g/mol
Exact mass317.1991
GradeReference Standard
Physical formSolid
XLogP32.3
H-bond donors / acceptors2 / 3
Topological polar surface area66.4 Ų
HS code38229090
InChIKeyFDESQZBVTKLIQN-MLGOENBGSA-N
SMILESC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@@H]2C(=O)O)CC[C@@H]4[C@@]3(C=CC(=O)N4)C
PubChem CID9839970
SynonymsDutasteride - Impurity A, Dutasteride acid, 3-Oxo-4-aza-5alpha-androst-1-ene-17beta-carboxylic acid, 4-Aza-5a-androstan-1-ene-3-one-17b-carboxylic acid, Finasteride Acid, (5alpha,17beta)-3-Oxo-4-azaandrost-1-ene-17-carboxylic acid, 3-Oxo-4-aza-5a-androst-1-ene-17b-carboxylic Acid, 3-Oxo-4-aza-5, A-androst-1-ene-17, A-carboxylic acid, (5a,17b)-3-Oxo-4-aza-androst-1-ene-17-carboxylic acid, Dutasteride Impurity A, CS-M2829, EX-A1949

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
GHS08 Health hazard
Health hazard

Signal word Warning

  • H302Harmful if swallowed
  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P264, P270, P280, P301 + P317, P318, P330, 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 Dutasteride EP Impurity A
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 Dutasteride EP Impurity A

Which CAS number identifies Dutasteride EP Impurity A?
Dutasteride EP Impurity A is registered under CAS 104239-97-6. You may also see it listed as Dutasteride - Impurity A, Dutasteride acid, 3-Oxo-4-aza-5alpha-androst-1-ene-17beta-carboxylic acid. Our catalogue number for this item is ZX-024416.
What are the formula and molar mass of Dutasteride EP Impurity A?
For Dutasteride EP Impurity A, its formula is C19H27NO3 and its molar mass is 317.4 g/mol. The systematic (IUPAC) name is (1S,3aS,3bS,5aR,9aR,9bS,11aS)-9a,11a-dimethyl-7-oxo-1,2,3,3a,3b,4,5,5a,6,9b,10,11-dodecahydroindeno[5,4-f]quinoline-1-carboxylic acid. InChIKey FDESQZBVTKLIQN-MLGOENBGSA-N lets you match it in any structure database.
How is Dutasteride EP Impurity A used in pharmaceutical QC?
Dutasteride EP Impurity A is a characterised reference material linked to Dutasteride. 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 Dutasteride EP Impurity A?
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 Dutasteride EP Impurity A?
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 Dutasteride EP Impurity A to my country?
Yes. Because Dutasteride EP Impurity A 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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