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

Levonorgestrel EP Impurity W

Reference StandardAvailable on request

Buy Levonorgestrel EP Impurity W (CAS 155683-59-3) from Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-022011.

Pack sizes
Levonorgestrel EP Impurity W chemical structure
CAS number155683-59-3
FormulaC21H24O2
Molar mass308.4 g/mol
Physical formSolid
HS code38229090
InChIKeyWWHYYFPSWOYNJF-ACRUOGEOSA-N
IUPAC name(13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one

About Levonorgestrel EP Impurity W

Analytical teams working on Levonorgestrel use Levonorgestrel EP Impurity W as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 155683-59-3, formula C21H24O2 and molar mass 308.4 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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with 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 Levonorgestrel

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

Levonorgestrel 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 Levonorgestrel EP Impurity W
Product nameLevonorgestrel EP Impurity W
Catalogue numberZX-022011
CAS number155683-59-3
IUPAC name(13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one
Molecular formulaC21H24O2
Molar mass308.4 g/mol
Exact mass308.1776
GradeReference Standard
Physical formSolid
XLogP32.8
H-bond donors / acceptors1 / 2
Topological polar surface area37.3 Ų
HS code38229090
InChIKeyWWHYYFPSWOYNJF-ACRUOGEOSA-N
SMILESCC[C@]12CCC3=C([C@@H]1CC[C@]2(C#C)O)C=CC4=C3CCC(=O)C4
PubChem CID125403270
SynonymsLevonorgestrel - Impurity W, Levonorgestrel Impurity W, Delta5(10),6,8(9)-D-(-)-Norgestrel, 13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregna-5,7,9-trien-20-yn-3-one, 18,19-Dinorpregna-5,7,9-trien-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-

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 Levonorgestrel EP Impurity W
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 Levonorgestrel EP Impurity W

Which CAS number identifies Levonorgestrel EP Impurity W?
Levonorgestrel EP Impurity W is registered under CAS 155683-59-3. You may also see it listed as Levonorgestrel - Impurity W, Levonorgestrel Impurity W, Delta5(10),6,8(9)-D-(-)-Norgestrel. Our catalogue number for this item is ZX-022011.
What are the formula and molar mass of Levonorgestrel EP Impurity W?
For Levonorgestrel EP Impurity W, its formula is C21H24O2 and its molar mass is 308.4 g/mol. The systematic (IUPAC) name is (13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one. InChIKey WWHYYFPSWOYNJF-ACRUOGEOSA-N lets you match it in any structure database.
How is Levonorgestrel EP Impurity W used in pharmaceutical QC?
Levonorgestrel EP Impurity W is a characterised reference material linked to Levonorgestrel. 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 Levonorgestrel EP Impurity W?
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 Levonorgestrel EP Impurity W?
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 Levonorgestrel EP Impurity W to my country?
Yes. Levonorgestrel EP Impurity W ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

More Levonorgestrel 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