Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
contact@zemixal.com
Bulk CASAccount
Pharmacopeial Impurities (EP / USP / BP)

Mesterolone EP Impurity A

Reference StandardAvailable on request

Order Mesterolone EP Impurity A (CAS 604-26-2) online at Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.

Pack sizes
Mesterolone EP Impurity A chemical structure
CAS number604-26-2
FormulaC20H30O2
Molar mass302.5 g/mol
Physical formSolid
HS code38229090
InChIKeyKROXBRXHRBCDNO-IFMMWYRXSA-N
IUPAC name(1S,8R,9S,10R,13S,14S,17S)-17-hydroxy-1,10,13-trimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one

About Mesterolone EP Impurity A

Mesterolone EP Impurity A belongs to the Mesterolone reference-standard family in the Zemixal catalogue. For your records (Reference Standard), the material is defined by CAS 604-26-2, formula C20H30O2 and molar mass 302.5 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H411. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. 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 Mesterolone

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

Mesterolone 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 Mesterolone EP Impurity A
Product nameMesterolone EP Impurity A
Catalogue numberZX-033826
CAS number604-26-2
IUPAC name(1S,8R,9S,10R,13S,14S,17S)-17-hydroxy-1,10,13-trimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
Molecular formulaC20H30O2
Molar mass302.5 g/mol
Exact mass302.2246
GradeReference Standard
Physical formSolid
XLogP33.8
H-bond donors / acceptors1 / 2
Topological polar surface area37.3 Ų
HS code38229090
InChIKeyKROXBRXHRBCDNO-IFMMWYRXSA-N
SMILESC[C@H]1CC(=O)C=C2[C@]1([C@H]3CC[C@]4([C@H]([C@@H]3CC2)CC[C@@H]4O)C)C
PubChem CID101794
SynonymsMesteralone EP Impurity A, Mesterolone - Impurity A, 17beta-Hydroxy-1alpha-methylandrost-4-ene-3-one, 1alpha-Methyltestosterone, Androst-4-en-3-one, 17-hydroxy-1-methyl-, (1.alpha.,17.beta.)-, Androst-4-en-3-one, 17-hydroxy-1-methyl-, (1alpha,17beta)-, 17beta-Hydroxy-1alpha-methylandrost-4-en-3-one, 1.alpha.-Methyltestoterone, 1alpha-methyl testosterone, 1-alpha-methyl testosterone, 17-Hydroxy-1-methylandrost-4-en-3-one #, 17beta-hydroxy-1alpha-methyl-4-androsten-3-one

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
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Warning

  • H411Toxic to aquatic life with long lasting effects

Precautionary statements P203, P273, P280, P318, P391, 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 Mesterolone 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 Mesterolone EP Impurity A

Which CAS number identifies Mesterolone EP Impurity A?
Mesterolone EP Impurity A is registered under CAS 604-26-2. You may also see it listed as Mesteralone EP Impurity A, Mesterolone - Impurity A, 17beta-Hydroxy-1alpha-methylandrost-4-ene-3-one. Our catalogue number for this item is ZX-033826.
What are the formula and molar mass of Mesterolone EP Impurity A?
For Mesterolone EP Impurity A, its formula is C20H30O2 and its molar mass is 302.5 g/mol. The systematic (IUPAC) name is (1S,8R,9S,10R,13S,14S,17S)-17-hydroxy-1,10,13-trimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one. InChIKey KROXBRXHRBCDNO-IFMMWYRXSA-N lets you match it in any structure database.
How is Mesterolone EP Impurity A used in pharmaceutical QC?
Mesterolone EP Impurity A is a characterised reference material linked to Mesterolone. 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 Mesterolone 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 Mesterolone 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 Mesterolone EP Impurity A to my country?
Yes. Because Mesterolone 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.

More Mesterolone standards

More in Pharmacopeial Impurities (EP / USP / BP)

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list
Compare 0 of 4Compare now