Betamethasone EP Impurity I

Name: Betamethasone EP Impurity I
Brand: Vaqora Chemicals
SKU: VQ-021805

About Betamethasone EP Impurity I

Betamethasone EP Impurity I is a pharmacopeial impurity of Betamethasone carrying the CAS registry number 185613-69-8. With the molecular formula C22H29FO5, it has a molar mass of 392.5 g/mol. Common synonyms include Betamethasone - Impurity I and 9-Desfluoro-8-fluoro Betamethasone.

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. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Betamethasone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Betamethasone EP Impurity I 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 EP Impurity I
Catalogue No.	VQ-021805
CAS Number	185613-69-8
IUPAC name	(8S,9R,10R,11S,13S,14R,16S,17R)-8-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one
Molecular formula	C₂₂H₂₉FO₅
Molecular weight	392.5 g/mol
Exact mass	392.1999
Grade	Reference Standard
HSN code	38229090
InChIKey	UVPVITLWBGFEET-NPFJHFETSA-N
SMILES	C[C@H]1C[C@@H]2[C@@]([C@]1(C(=O)CO)O)(C[C@@H]([C@@H]3[C@@]2(CCC4=CC(=O)C=C[C@]34C)F)O)C
PubChem CID	71587603

Physical properties
Physical form	Solid
LogP (XLogP3)	2
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 EP Impurity I?

The CAS Registry Number of Betamethasone EP Impurity I is 185613-69-8. It is also known as Betamethasone - Impurity I, 8-Fluoro-11beta,17,21-trihydroxy-16beta-methyl-8alpha,9beta-pregna-1,4-diene-3,20-dione, 9-Desfluoro-8-fluoro Betamethasone.

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

Betamethasone EP Impurity I has the molecular formula C22H29FO5 and a molecular weight of 392.5 g/mol. Its IUPAC name is (8S,9R,10R,11S,13S,14R,16S,17R)-8-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,9,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-3-one.

What is Betamethasone EP Impurity I used for?

Betamethasone EP Impurity I 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 EP Impurity I can I order?

We supply Betamethasone EP Impurity I 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 EP Impurity I?

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

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