Acetyl Methanesulfonate

Name: Acetyl Methanesulfonate
Brand: Vaqora Chemicals
SKU: VQ-029563

About Acetyl Methanesulfonate

Listed under CAS 5539-53-7, Acetyl Methanesulfonate is an impurity of Busulfan available from Vaqora Chemicals. The compound has the formula C3H6O4S, corresponding to a molecular weight of 138.14 g/mol. Systematically, it is named methylsulfonyl acetate. Common synonyms include methanesulfonyl acetate.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 5 hazard statements. Review the Safety Data Sheet before use.

This Busulfan impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Acetyl Methanesulfonate 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 Busulfan

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

Busulfan impurities

Specifications & identifiers

Chemical identifiers
Product name	Acetyl Methanesulfonate
Catalogue No.	VQ-029563
CAS Number	5539-53-7
IUPAC name	methylsulfonyl acetate
Molecular formula	C₃H₆O₄S
Molecular weight	138.14 g/mol
Exact mass	137.9987
Grade	Reference Standard
HSN code	38229090
InChIKey	SMQSMQUBQPWGAO-UHFFFAOYSA-N
SMILES	CC(=O)OS(=O)(=O)C
PubChem CID	292469

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.3
H-bond donors / acceptors	0 / 4
TPSA	68.8 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H227Combustible liquid
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P210, P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P370 + P378, P403, P403 + P233, 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 Acetyl Methanesulfonate?

The CAS Registry Number of Acetyl Methanesulfonate is 5539-53-7. It is also known as methanesulfonyl acetate.

What is the molecular formula and molecular weight of Acetyl Methanesulfonate?

Acetyl Methanesulfonate has the molecular formula C3H6O4S and a molecular weight of 138.14 g/mol. Its IUPAC name is methylsulfonyl acetate.

What is Acetyl Methanesulfonate used for?

Acetyl Methanesulfonate is supplied as a characterised reference material related to Busulfan. 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 Acetyl Methanesulfonate can I order?

We supply Acetyl Methanesulfonate 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 Acetyl Methanesulfonate?

Yes. Every lot of Acetyl Methanesulfonate 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 Acetyl Methanesulfonate be shipped internationally?

Yes. Acetyl Methanesulfonate 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.