Betamethasone Valerate EP Impurity B

Name: Betamethasone Valerate EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-020938

About Betamethasone Valerate EP Impurity B

Betamethasone Valerate EP Impurity B (CAS 1879-77-2) is a pharmacopeial impurity of Betamethasone offered by Vaqora Chemicals. Its molecular formula is C22H29FO4 and its molecular weight is 376.5 g/mol. It is also known as Betamethasone Valerate - Impurity B or Doxibetasol.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Good laboratory practice and suitable PPE are recommended during handling.

This Betamethasone impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Betamethasone Valerate 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 Betamethasone

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

Betamethasone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Betamethasone Valerate EP Impurity B
Catalogue No.	VQ-020938
CAS Number	1879-77-2
IUPAC name	(8S,9R,10S,11S,13S,14S,16S,17R)-17-acetyl-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one
Molecular formula	C₂₂H₂₉FO₄
Molecular weight	376.5 g/mol
Exact mass	376.205
Grade	Reference Standard
HSN code	38229090
InChIKey	IKGBPSZWCRRUQS-DTAAKRQUSA-N
SMILES	C[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@@]4([C@]3([C@H](C[C@@]2([C@]1(C(=O)C)O)C)O)F)C
PubChem CID	71106

Physical properties
Physical form	Solid
LogP (XLogP3)	2.4
H-bond donors / acceptors	2 / 5
TPSA	74.6 Å²
Synonyms	Betamethasone Valerate - Impurity B, Doxibetasol, GR 2/443 [as propionate], 9-Fluoro-11beta,17-dihydroxy-16beta-methylpregna-1,4-diene-3,20-dione, Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17-dihydroxy-16-methyl-, (11.beta.,16.beta.)-, Pregna-1,4-diene-3,20-dione, 9-fluoro-11,17-dihydroxy-16-methyl-, (11beta,16beta)-, 21-deoxy-betamethasone, (11beta,16beta)-9-fluoro-11,17-dihydroxy-16-methylpregna-1,4-diene-3,20-dione, (11, A,16, A)-9-Fluoro-11,17-dihydroxy-16-methylpregna-1,4-diene-3,20-dione

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 Betamethasone Valerate EP Impurity B?

The CAS Registry Number of Betamethasone Valerate EP Impurity B is 1879-77-2. It is also known as Betamethasone Valerate - Impurity B, Doxibetasol, GR 2/443 [as propionate].

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

Betamethasone Valerate EP Impurity B has the molecular formula C22H29FO4 and a molecular weight of 376.5 g/mol. Its IUPAC name is (8S,9R,10S,11S,13S,14S,16S,17R)-17-acetyl-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one.

What is Betamethasone Valerate EP Impurity B used for?

Betamethasone Valerate EP Impurity B is supplied as a characterised reference material related to Betamethasone. 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 Betamethasone Valerate EP Impurity B can I order?

We supply Betamethasone Valerate 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 Betamethasone Valerate EP Impurity B?

Yes. Every lot of Betamethasone Valerate 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 Betamethasone Valerate EP Impurity B be shipped internationally?

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