Clobetasone Butyrate EP Impurity E

Name: Clobetasone Butyrate EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-025033

About Clobetasone Butyrate EP Impurity E

Vaqora Chemicals supplies Clobetasone Butyrate EP Impurity E, a pharmacopeial impurity of Clobetasone butyrate registered under CAS number 639817-48-4. Formula C26H34ClFO5, molecular weight 481.0 g/mol. It is also known as Clobetasone Butyrate - Impurity E or 1,2-Dihydroclobetasone 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.

This Clobetasone butyrate 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.

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 E
Catalogue No.	VQ-025033
CAS Number	639817-48-4
IUPAC name	[(8S,9R,10S,13S,14S,16S,17R)-17-(2-chloroacetyl)-9-fluoro-10,13,16-trimethyl-3,11-dioxo-2,6,7,8,12,14,15,16-octahydro-1H-cyclopenta[a]phenanthren-17-yl] butanoate
Molecular formula	C₂₆H₃₄ClFO₅
Molecular weight	481 g/mol
Exact mass	480.2079
Grade	Reference Standard
HSN code	38229090
InChIKey	APQSIYKUWQYHMT-AVVSTMBFSA-N
SMILES	CCCC(=O)O[C@@]1([C@H](C[C@@H]2[C@@]1(CC(=O)[C@]3([C@H]2CCC4=CC(=O)CC[C@@]43C)F)C)C)C(=O)CCl
PubChem CID	156613686

Physical properties
Physical form	Solid
LogP (XLogP3)	3.6
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 E?

The CAS Registry Number of Clobetasone Butyrate EP Impurity E is 639817-48-4. It is also known as Clobetasone Butyrate - Impurity E, 1,2-Dihydroclobetasone butyrate, 21-Chloro-9-fluoro-16beta-methyl-3,11,20-trioxopregn-4-en-17-yl butanoate.

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

Clobetasone Butyrate EP Impurity E has the molecular formula C26H34ClFO5 and a molecular weight of 481 g/mol.

What is Clobetasone Butyrate EP Impurity E used for?

Clobetasone Butyrate EP Impurity E 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 E can I order?

We supply Clobetasone Butyrate EP Impurity E 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 E?

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

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