Norgestrel EP Impurity B

Name: Norgestrel EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-026960

About Norgestrel EP Impurity B

Listed under CAS 1095-74-5, Norgestrel EP Impurity B is a pharmacopeial impurity of Norgestrel available from Vaqora Chemicals. The compound has the formula C21H28O2, corresponding to a molecular weight of 312.4 g/mol. Alternative names: Norgestrel - Impurity B and Levonorgestrel Impurity B.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Norgestrel, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Norgestrel EP Impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Norgestrel

View every impurity, metabolite and intermediate we list for Norgestrel.

Norgestrel impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Norgestrel EP Impurity B
Catalogue No.	VQ-026960
CAS Number	1095-74-5
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
Molecular weight	312.4 g/mol
Exact mass	312.2089
Grade	Reference Standard
HSN 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

Physical properties
Physical form	Solid
LogP (XLogP3)	2.5
H-bond donors / acceptors	1 / 2
TPSA	37.3 Å²
Synonyms	Norgestrel - 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)-(+/-)-

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Norgestrel EP Impurity B?

The CAS Registry Number of Norgestrel EP Impurity B is 1095-74-5. It is also known as Norgestrel - Impurity B, Levonorgestrel Impurity B, 13-Ethyl-17-hydroxy-18,19-dinor-17alpha-pregn-5(10)-en-20-yn-3-one.

What is the molecular formula and molecular weight of Norgestrel EP Impurity B?

Norgestrel EP Impurity B has the molecular formula C21H28O2 and a molecular weight of 312.4 g/mol. Its IUPAC name is (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.

What is Norgestrel EP Impurity B used for?

Norgestrel EP Impurity B is supplied as a characterised reference material related to Norgestrel. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Norgestrel EP Impurity B can I order?

We supply Norgestrel EP Impurity B in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Norgestrel EP Impurity B?

Yes. Every lot of Norgestrel EP Impurity B is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Norgestrel EP Impurity B be shipped internationally?

Yes. We export Norgestrel EP Impurity B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.