Methyl 2-hydroxyethanesulfonate

Name: Methyl 2-hydroxyethanesulfonate
Brand: Vaqora Chemicals
SKU: VQ-027429

About Methyl 2-hydroxyethanesulfonate

Vaqora Chemicals supplies Methyl 2-hydroxyethanesulfonate, a metabolite or degradation product of Pentamidine registered under CAS number 81171-21-3. With the molecular formula C3H8O4S, it has a molar mass of 140.16 g/mol. Alternative names: Ethanesulfonic acid, 2-hydroxy-, methyl ester and Methyl 2-hydroxyethane-1-sulfonate.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Analytical teams use this compound to identify metabolites and degradants of Pentamidine, to validate stability-indicating methods (AMV) and to support QC and regulatory filings. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Methyl 2-hydroxyethanesulfonate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Pentamidine

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

Pentamidine impurities

Specifications & identifiers

Chemical identifiers
Product name	Methyl 2-hydroxyethanesulfonate
Catalogue No.	VQ-027429
CAS Number	81171-21-3
IUPAC name	methyl 2-hydroxyethanesulfonate
Molecular formula	C₃H₈O₄S
Molecular weight	140.16 g/mol
Exact mass	140.0143
Grade	Reference Standard
HSN code	38229090
InChIKey	ARDOMBFXFIFOFX-UHFFFAOYSA-N
SMILES	COS(=O)(=O)CCO
PubChem CID	149898

Physical properties
Physical form	Solid
LogP (XLogP3)	-1
H-bond donors / acceptors	1 / 4
TPSA	72 Å²
Synonyms	Ethanesulfonic acid, 2-hydroxy-, methyl ester, Methyl 2-hydroxyethane-1-sulfonate, 2-methoxysulfonylethanol, methyl isethionate, Methyl2-hydroxyethane-1-sulfonate

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 Methyl 2-hydroxyethanesulfonate?

The CAS Registry Number of Methyl 2-hydroxyethanesulfonate is 81171-21-3. It is also known as Ethanesulfonic acid, 2-hydroxy-, methyl ester, Methyl 2-hydroxyethane-1-sulfonate, 2-methoxysulfonylethanol.

What is the molecular formula and molecular weight of Methyl 2-hydroxyethanesulfonate?

Methyl 2-hydroxyethanesulfonate has the molecular formula C3H8O4S and a molecular weight of 140.16 g/mol. Its IUPAC name is methyl 2-hydroxyethanesulfonate.

What is Methyl 2-hydroxyethanesulfonate used for?

Methyl 2-hydroxyethanesulfonate is supplied as a characterised reference material related to Pentamidine. 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 Methyl 2-hydroxyethanesulfonate can I order?

We supply Methyl 2-hydroxyethanesulfonate 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 Methyl 2-hydroxyethanesulfonate?

Yes. Every lot of Methyl 2-hydroxyethanesulfonate 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 Methyl 2-hydroxyethanesulfonate be shipped internationally?

Yes. We export Methyl 2-hydroxyethanesulfonate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.