(17RS)-Betamethasone 20-hydroxy 21-acid impur… 1155886-49-9

Name: (17RS)-Betamethasone 20-hydroxy 21-acid impurity
Brand: Vaqora Chemicals
SKU: VQ-024094

About (17RS)-Betamethasone 20-hydroxy 21-acid impurity

(17RS)-Betamethasone 20-hydroxy 21-acid impurity is an impurity of Betamethasone carrying the CAS registry number 1155886-49-9. Formula C22H29FO5, molecular weight 392.5 g/mol.

The product is provided 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.

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. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer (17RS)-Betamethasone 20-hydroxy 21-acid impurity in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Betamethasone

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

Betamethasone impurities

Specifications & identifiers

Chemical identifiers
Product name	(17RS)-Betamethasone 20-hydroxy 21-acid impurity
Catalogue No.	VQ-024094
CAS Number	1155886-49-9
IUPAC name	2-[(8S,9R,10S,11S,13S,14S,16S)-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-WCABBQFRSA-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(C1C(C(=O)O)O)C)O)F)C
PubChem CID	177834443

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 (17RS)-Betamethasone 20-hydroxy 21-acid impurity?

The CAS Registry Number of (17RS)-Betamethasone 20-hydroxy 21-acid impurity is 1155886-49-9. It is also known as (17RS)-Betamethasone 20-hydroxy 21-acid impurity (Mixture of isomers).

What is the molecular formula and molecular weight of (17RS)-Betamethasone 20-hydroxy 21-acid impurity?

(17RS)-Betamethasone 20-hydroxy 21-acid impurity has the molecular formula C22H29FO5 and a molecular weight of 392.5 g/mol.

What is (17RS)-Betamethasone 20-hydroxy 21-acid impurity used for?

(17RS)-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 (17RS)-Betamethasone 20-hydroxy 21-acid impurity can I order?

We supply (17RS)-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 (17RS)-Betamethasone 20-hydroxy 21-acid impurity?

Yes. Every lot of (17RS)-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 (17RS)-Betamethasone 20-hydroxy 21-acid impurity be shipped internationally?

Yes. We export (17RS)-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.