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Pharmacopeial Impurities (EP / USP / BP)

Norethindrone EP Impurity E

Reference StandardAvailable on request

Order Norethindrone EP Impurity E (CAS 79727-03-0) online at Zemixal. Request a quote with price, lead time and documents.

Pack sizes
Norethindrone EP Impurity E chemical structure
CAS number79727-03-0
FormulaC22H26O
Molar mass306.4 g/mol
Physical formSolid
HS code38229090
InChIKeyVEQVHOSVAUDALB-ZCPXKWAGSA-N
IUPAC name(8R,9S,10R,13S,14S,17R)-3,17-diethynyl-13-methyl-2,7,8,9,10,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ol

About Norethindrone EP Impurity E

Norethindrone EP Impurity E is supplied by Zemixal as a characterised reference material for Norethindrone analysis. Key data (Reference Standard): CAS 79727-03-0, formula C22H26O and molar mass 306.4 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

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. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Norethindrone

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

Norethindrone 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 Norethindrone EP Impurity E
Product nameNorethindrone EP Impurity E
Catalogue numberZX-022307
CAS number79727-03-0
IUPAC name(8R,9S,10R,13S,14S,17R)-3,17-diethynyl-13-methyl-2,7,8,9,10,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ol
Molecular formulaC22H26O
Molar mass306.4 g/mol
Exact mass306.1984
GradeReference Standard
Physical formSolid
XLogP33.8
H-bond donors / acceptors1 / 1
Topological polar surface area20.2 Ų
HS code38229090
InChIKeyVEQVHOSVAUDALB-ZCPXKWAGSA-N
SMILESC[C@]12CC[C@@H]3[C@H]4CCC(=CC4=CC[C@H]3[C@@H]1CC[C@]2(C#C)O)C#C
PubChem CID71316678
SynonymsNorethisterone - Impurity E, Norethindrone Impurity E, (17a)-3-Ethynyl-19-norpregna-3,5-dien-20-yn-17-ol, (17alpha)-3-Ethynyl-19-norpregna-3,5-dien-20-yn-17-ol, Diethinylestradienol, 3-Ethynyl-19-nor-17alpha-pregna-3,5-dien-20-yn-17-ol, 19-Norpregna-3,5-dien-20-yn-17-ol, 3-ethynyl-, (17alpha)-, 3-Ethynyl-17alpha-19-norpregna-3,5-dien-20-yn-17-ol

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Norethindrone EP Impurity E
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 Norethindrone EP Impurity E

Which CAS number identifies Norethindrone EP Impurity E?
Norethindrone EP Impurity E is registered under CAS 79727-03-0. You may also see it listed as Norethisterone - Impurity E, Norethindrone Impurity E, (17a)-3-Ethynyl-19-norpregna-3,5-dien-20-yn-17-ol. Our catalogue number for this item is ZX-022307.
What are the formula and molar mass of Norethindrone EP Impurity E?
For Norethindrone EP Impurity E, its formula is C22H26O and its molar mass is 306.4 g/mol. The systematic (IUPAC) name is (8R,9S,10R,13S,14S,17R)-3,17-diethynyl-13-methyl-2,7,8,9,10,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthren-17-ol. InChIKey VEQVHOSVAUDALB-ZCPXKWAGSA-N lets you match it in any structure database.
How is Norethindrone EP Impurity E used in pharmaceutical QC?
Norethindrone EP Impurity E is a characterised reference material linked to Norethindrone. 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 Norethindrone EP Impurity E?
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 Norethindrone EP Impurity E?
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 Norethindrone EP Impurity E to my country?
Yes. Norethindrone EP Impurity E ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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