Betamethasone 20-hydroxy 21-acid impurity

Name: Betamethasone 20-hydroxy 21-acid impurity
Brand: Vaqora Chemicals
SKU: VQ-021806

About Betamethasone 20-hydroxy 21-acid impurity

Betamethasone 20-hydroxy 21-acid impurity (CAS 1249-19-0) is a metabolite or degradation product of Betamethasone offered by Vaqora Chemicals. Its molecular formula is C22H29FO5 and its molecular weight is 392.5 g/mol. Common synonyms include Betamethasone impurity 98.

It is supplied 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.

Analytical teams use this compound to identify metabolites and degradants of Betamethasone, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Betamethasone 20-hydroxy 21-acid impurity in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Betamethasone

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

Betamethasone impurities

Specifications & identifiers

Chemical identifiers
Product name	Betamethasone 20-hydroxy 21-acid impurity
Catalogue No.	VQ-021806
CAS Number	1249-19-0
IUPAC name	2-[(8S,9R,10S,11S,13S,14S,16S,17S)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-7,8,11,12,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthren-17-yl]-2-hydroxyacetic acid
Molecular formula	C₂₂H₂₉FO₅
Molecular weight	392.5 g/mol
Exact mass	392.1999
Grade	Reference Standard
HSN code	38229090
InChIKey	ZYKVIEIIBMZQOC-ISLTYQNPSA-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@H]1C(C(=O)O)O)C)O)F)C
PubChem CID	172994369

Physical properties
Physical form	Solid
LogP (XLogP3)	2.5
H-bond donors / acceptors	3 / 6
TPSA	94.8 Å²

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 20-hydroxy 21-acid impurity?

The CAS Registry Number of Betamethasone 20-hydroxy 21-acid impurity is 1249-19-0. It is also known as Betamethasone impurity 98, Betamethasone Impurity 34(Mixture of Diastereomers), 9-Fluoro-11beta,20-dihydroxy-16beta-methyl-3-oxo-Pregna-1,4-dien-21-oic Acid.

What is the molecular formula and molecular weight of Betamethasone 20-hydroxy 21-acid impurity?

Betamethasone 20-hydroxy 21-acid impurity has the molecular formula C22H29FO5 and a molecular weight of 392.5 g/mol.

What is Betamethasone 20-hydroxy 21-acid impurity used for?

Betamethasone 20-hydroxy 21-acid impurity 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 20-hydroxy 21-acid impurity can I order?

We supply Betamethasone 20-hydroxy 21-acid impurity 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 20-hydroxy 21-acid impurity?

Yes. Every lot of Betamethasone 20-hydroxy 21-acid impurity 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 20-hydroxy 21-acid impurity be shipped internationally?

Yes. We export Betamethasone 20-hydroxy 21-acid impurity worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.