tert-Butyl Mesylate

Name: tert-Butyl Mesylate
Brand: Vaqora Chemicals
SKU: VQ-032317

About tert-Butyl Mesylate

Vaqora Chemicals supplies tert-Butyl Mesylate, an impurity of Rosuvastatin registered under CAS number 16427-41-1. Formula C5H12O3S, molecular weight 152.21 g/mol. Systematically, it is named tert-butyl methanesulfonate. Common synonyms include Methanesulfonic acid, 1,1-dimethylethyl ester and 2-methyl-2-methylsulfonyloxy-propane.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

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

Vaqora Chemicals supplies tert-Butyl Mesylate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Rosuvastatin

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

Rosuvastatin impurities

Specifications & identifiers

Chemical identifiers
Product name	tert-Butyl Mesylate
Catalogue No.	VQ-032317
CAS Number	16427-41-1
IUPAC name	tert-butyl methanesulfonate
Molecular formula	C₅H₁₂O₃S
Molecular weight	152.21 g/mol
Exact mass	152.0507
Grade	Reference Standard
HSN code	38229090
InChIKey	KWZYUHDFABISCL-UHFFFAOYSA-N
SMILES	CC(C)(C)OS(=O)(=O)C
PubChem CID	167539

Physical properties
Physical form	Solid
LogP (XLogP3)	0.6
H-bond donors / acceptors	0 / 3
TPSA	51.8 Å²
Synonyms	Methanesulfonic acid, 1,1-dimethylethyl ester, 2-methyl-2-methylsulfonyloxy-propane, tert-butylmethanesulfonate, tert-butyl methane sulfonate, 1,1-Dimethylethyl methanesulfonate

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H341Suspected of causing genetic defects
H351Suspected of causing cancer

Precautionary statements: P203, P260, P264, P270, P280, P301 + P317, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P318, P321, P330, P363, 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 tert-Butyl Mesylate?

The CAS Registry Number of tert-Butyl Mesylate is 16427-41-1. It is also known as Methanesulfonic acid, 1,1-dimethylethyl ester, 2-methyl-2-methylsulfonyloxy-propane, tert-butylmethanesulfonate.

What is the molecular formula and molecular weight of tert-Butyl Mesylate?

tert-Butyl Mesylate has the molecular formula C5H12O3S and a molecular weight of 152.21 g/mol. Its IUPAC name is tert-butyl methanesulfonate.

What is tert-Butyl Mesylate used for?

tert-Butyl Mesylate is supplied as a characterised reference material related to Rosuvastatin. 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 tert-Butyl Mesylate can I order?

We supply tert-Butyl Mesylate 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 tert-Butyl Mesylate?

Yes. Every lot of tert-Butyl Mesylate 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 tert-Butyl Mesylate be shipped internationally?

Yes. tert-Butyl Mesylate 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.