Dexamethasone Mesylate Impurity

About Dexamethasone Mesylate Impurity

Dexamethasone Mesylate Impurity is an impurity of Dexamethasone carrying the CAS registry number 2265-22-7. Formula C23H31FO7S, molecular weight 470.6 g/mol. Common synonyms include Dexamethasone 21-Mesylate and Dexamethasone 21-Methanesulfonate.

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. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

As a characterised impurity of Dexamethasone, 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.

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. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Dexamethasone

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

Dexamethasone impurities

Specifications & identifiers

Chemical identifiers
Product name	Dexamethasone Mesylate Impurity
Catalogue No.	VQ-004785
CAS Number	2265-22-7
IUPAC name	[2-[(8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] methanesulfonate
Molecular formula	C₂₃H₃₁FO₇S
Molecular weight	470.6 g/mol
Exact mass	470.1775
Grade	Reference Standard
HSN code	38229090
InChIKey	ATNWRUJPJUBMHC-HOGMHMTRSA-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@]1(C(=O)COS(=O)(=O)C)O)C)O)F)C
PubChem CID	63041

Physical properties
Physical form	Solid
LogP (XLogP3)	1.3
H-bond donors / acceptors	2 / 8
TPSA	126 Å²

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H373May causes damage to organs through prolonged or repeated exposure

Precautionary statements: P203, P260, P280, P318, P319, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Dexamethasone Mesylate Impurity?

The CAS Registry Number of Dexamethasone Mesylate Impurity is 2265-22-7. It is also known as Dexamethasone 21-Mesylate, Dexamethasone 21-Methanesulfonate, 9-Fluoro-11,17-dihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-yl methanesulfonate.

What is the molecular formula and molecular weight of Dexamethasone Mesylate Impurity?

Dexamethasone Mesylate Impurity has the molecular formula C23H31FO7S and a molecular weight of 470.6 g/mol.

What is Dexamethasone Mesylate Impurity used for?

Dexamethasone Mesylate Impurity is supplied as a characterised reference material related to Dexamethasone. 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 Dexamethasone Mesylate Impurity can I order?

We supply Dexamethasone Mesylate 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 Dexamethasone Mesylate Impurity?

Yes. Every lot of Dexamethasone Mesylate 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 Dexamethasone Mesylate Impurity be shipped internationally?

Yes. Dexamethasone Mesylate Impurity is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.