Levonorgestrel EP Impurity B
Levonorgestrel EP Impurity B (CAS 19914-67-1) supplier Zemixal. Request a quote with price, lead time and documents. Quotes within one business day.
About Levonorgestrel EP Impurity B
Analytical teams working on Levonorgestrel use Levonorgestrel EP Impurity B as a qualified comparison standard. For your records (Reference Standard), the material is defined by CAS 19914-67-1, formula C21H28O2 and molar mass 312.4 g/mol. It is handled as a solid.
Use cases we see most often
- 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.
See every impurity, metabolite and related compound we list for this API.
Levonorgestrel standardsTypical uses
- Pharmacopeial method verification
- Impurity profiling
- QC release testing
- ANDA / DMF filings
Applications
Grade guides
Specifications and identifiers
| Product name | Levonorgestrel EP Impurity B |
|---|---|
| Catalogue number | ZX-022004 |
| CAS number | 19914-67-1 |
| IUPAC name | (8R,9S,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,4,6,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one |
| Molecular formula | C21H28O2 |
| Molar mass | 312.4 g/mol |
| Exact mass | 312.2089 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 2.5 |
| H-bond donors / acceptors | 1 / 2 |
| Topological polar surface area | 37.3 Ų |
| HS code | 38229090 |
| InChIKey | QCMLVDXPKCBMFQ-MJCUULBUSA-N |
| SMILES | CC[C@]12CC[C@H]3[C@H]([C@@H]1CC[C@]2(C#C)O)CCC4=C3CCC(=O)C4 |
| PubChem CID | 29979902 |
| Synonyms | Levonorgestrel - Impurity B, Levonorgestrel Impurity B, 13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-5(10)-en-20-yn-3-one, 13-Ethyl-17-hydroxy-18,19-dinor-17a-pregn-5(10)-en-20-yn-3-one(Levo Norgestrel Impurity), (17alpha)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one, 18,19-Dinorpregn-5(10)-en-20-yn-3-one, 13-ethyl-17-hydroxy-, (17alpha)-, 13-Ethyl-17a-ethynyl-17-hydroxygon-5(10)-en-3-one, 13beta-ethyl-17alpha-ethynyl-17beta-hydroxy-gon-5(10)-en-3-one, (17a)-13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-y n-3-one, 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one, (17alpha)-, 13-Ethyl-17-hydroxy-18,19-dinorpregn-5(10)-en-20-yn-3-one, (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
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted 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 B
Which CAS number identifies Levonorgestrel EP Impurity B?
What are the formula and molar mass of Levonorgestrel EP Impurity B?
How is Levonorgestrel EP Impurity B used in pharmaceutical QC?
What grade and pack sizes are available for Levonorgestrel EP Impurity B?
Which documents come with Levonorgestrel EP Impurity B?
Can Zemixal ship Levonorgestrel EP Impurity B to my country?
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.