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Pharmacopeial Impurities (EP / USP / BP)

Testosterone EP Impurity A

Reference StandardIn stock

Order Testosterone EP Impurity A (CAS 63-05-8) online at Zemixal: C19H26O2, COA and SDS with every lot, worldwide shipping.

Pack sizes
Testosterone EP Impurity A chemical structure
CAS number63-05-8
FormulaC19H26O2
Molar mass286.4 g/mol
Physical formSolid
HS code38229090
InChIKeyAEMFNILZOJDQLW-QAGGRKNESA-N
IUPAC name(8R,9S,10R,13S,14S)-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17-dione

About Testosterone EP Impurity A

Testosterone EP Impurity A belongs to the Testosterone reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 63-05-8, formula C19H26O2 and molar mass 286.4 g/mol. It is handled as a solid.

Typical applications

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

Safe handling

It carries the GHS signal word Danger (H302, H351, H360 and H362), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg, 100 mg and 250 mg, and custom quantities are quoted on request. Every shipment includes 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 Testosterone

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

Testosterone 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 Testosterone EP Impurity A
Product nameTestosterone EP Impurity A
Catalogue numberZX-006025
CAS number63-05-8
IUPAC name(8R,9S,10R,13S,14S)-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17-dione
Molecular formulaC19H26O2
Molar mass286.4 g/mol
Exact mass286.1933
GradeReference Standard
Physical formSolid
XLogP32.7
H-bond donors / acceptors0 / 2
Topological polar surface area34.1 Ų
HS code38229090
InChIKeyAEMFNILZOJDQLW-QAGGRKNESA-N
SMILESC[C@]12CCC(=O)C=C1CC[C@@H]3[C@@H]2CC[C@]4([C@H]3CCC4=O)C
PubChem CID6128
SynonymsAndrost-4-ene-3,17-dione, 17-Ketotestosterone, 3,17-Dioxoandrost-4-ene, 4-Androstene-3,17-dione, Androstenedione (EP), Testosterone USP Related Compound A, androstenedione, 4-Androstenedione, delta-4-Androstenedione, SKF 2170, delta-4-Androsten-3,17-dione, delta(sup 4)-Androstene-3,17-dione

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 Danger

  • H302Harmful if swallowed
  • H351Suspected of causing cancer
  • H360May damage fertility or the unborn child
  • H362May cause harm to breast-fed children

Precautionary statements P203, P260, P263, 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 Testosterone EP Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request
250 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 EP Impurity A

Which CAS number identifies Testosterone EP Impurity A?
Testosterone EP Impurity A is registered under CAS 63-05-8. You may also see it listed as Androst-4-ene-3,17-dione, 17-Ketotestosterone, 3,17-Dioxoandrost-4-ene. Our catalogue number for this item is ZX-006025.
What are the formula and molar mass of Testosterone EP Impurity A?
For Testosterone EP Impurity A, its formula is C19H26O2 and its molar mass is 286.4 g/mol. The systematic (IUPAC) name is (8R,9S,10R,13S,14S)-10,13-dimethyl-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene-3,17-dione. InChIKey AEMFNILZOJDQLW-QAGGRKNESA-N lets you match it in any structure database.
How is Testosterone EP Impurity A used in pharmaceutical QC?
Testosterone EP Impurity A 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 Testosterone EP Impurity A?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg, 250 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Testosterone 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 Testosterone EP Impurity A to my country?
Yes. Because Testosterone 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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