Clobetasone Butyrate EP Impurity D

Name: Clobetasone Butyrate EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-025032

About Clobetasone Butyrate EP Impurity D

Clobetasone Butyrate EP Impurity D is a pharmacopeial impurity of Clobetasone butyrate carrying the CAS registry number 639817-51-9. The compound has the formula C26H31BrClFO5, corresponding to a molecular weight of 557.9 g/mol. Alternative names: Clobetasone Butyrate - Impurity D and 2-Bromoclobetasone butyrate.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of Clobetasone butyrate to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Clobetasone butyrate

View every impurity, metabolite and intermediate we list for Clobetasone butyrate.

Clobetasone butyrate impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Clobetasone Butyrate EP Impurity D
Catalogue No.	VQ-025032
CAS Number	639817-51-9
IUPAC name	[(8S,9R,10S,13S,14S,16S,17R)-2-bromo-17-(2-chloroacetyl)-9-fluoro-10,13,16-trimethyl-3,11-dioxo-7,8,12,14,15,16-hexahydro-6H-cyclopenta[a]phenanthren-17-yl] butanoate
Molecular formula	C₂₆H₃₁BrClFO₅
Molecular weight	557.9 g/mol
Exact mass	556.1027
Grade	Reference Standard
HSN code	38229090
InChIKey	HJMWRFQWUXHRAH-DWPQHFKNSA-N
SMILES	CCCC(=O)O[C@@]1([C@H](C[C@@H]2[C@@]1(CC(=O)[C@]3([C@H]2CCC4=CC(=O)C(=C[C@@]43C)Br)F)C)C)C(=O)CCl
PubChem CID	156613815

Physical properties
Physical form	Solid
LogP (XLogP3)	4.7
H-bond donors / acceptors	0 / 6
TPSA	77.5 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 Clobetasone Butyrate EP Impurity D?

The CAS Registry Number of Clobetasone Butyrate EP Impurity D is 639817-51-9. It is also known as Clobetasone Butyrate - Impurity D, 2-Bromoclobetasone butyrate, 2-Bromo-21-chloro-9-fluoro-16beta-methyl-3,11,20-trioxopregna-1,4-dien-17-yl butanoate.

What is the molecular formula and molecular weight of Clobetasone Butyrate EP Impurity D?

Clobetasone Butyrate EP Impurity D has the molecular formula C26H31BrClFO5 and a molecular weight of 557.9 g/mol.

What is Clobetasone Butyrate EP Impurity D used for?

Clobetasone Butyrate EP Impurity D is supplied as a characterised reference material related to Clobetasone butyrate. 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 Clobetasone Butyrate EP Impurity D can I order?

We supply Clobetasone Butyrate EP Impurity D 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 Clobetasone Butyrate EP Impurity D?

Yes. Every lot of Clobetasone Butyrate EP Impurity D 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 Clobetasone Butyrate EP Impurity D be shipped internationally?

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