Methyl-d3 Toluenesulfonate

Name: Methyl-d3 Toluenesulfonate
Brand: Vaqora Chemicals
SKU: VQ-042321

About Methyl-d3 Toluenesulfonate

Listed under CAS 7575-93-1, Methyl-d3 Toluenesulfonate is a stable isotope labelled analogue related to Suplatast tosilate available from Vaqora Chemicals. The compound has the formula C8H10O3S, corresponding to a molecular weight of 189.25 g/mol. Its systematic (IUPAC) name is trideuteriomethyl 4-methylbenzenesulfonate. It is also known as Methan-d3-ol, p-toluenesulfonate or Methy-d3 (toluenesulfonate).

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. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation of Suplatast tosilate and related analytes in bioanalytical, pharmacokinetic and impurity studies. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Methyl-d3 Toluenesulfonate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Related to Suplatast tosilate

View every impurity, metabolite and intermediate we list for Suplatast tosilate.

Suplatast tosilate impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Methyl-d3 Toluenesulfonate
Catalogue No.	VQ-042321
CAS Number	7575-93-1
IUPAC name	trideuteriomethyl 4-methylbenzenesulfonate
Molecular formula	C₈H₁₀O₃S
Molecular weight	189.25 g/mol
Exact mass	189.0539
Grade	Reference Standard
HSN code	38229090
InChIKey	VUQUOGPMUUJORT-BMSJAHLVSA-N
SMILES	[2H]C([2H])([2H])OS(=O)(=O)C1=CC=C(C=C1)C
PubChem CID	12261013

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	0 / 3
TPSA	51.8 Å²
Synonyms	Methan-d3-ol, p-toluenesulfonate, Methy-d3 (toluenesulfonate), Methyl-d3 tosylate, Methyl-p-tosylate-(methoxy-D3), ((2)H)methyl 4-methylbenzene-1-sulfonate

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H318Causes serious eye damage

Precautionary statements: P260, P261, P264, P264 + P265, P270, P272, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P330, P333 + P317, P362 + P364, 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 Methyl-d3 Toluenesulfonate?

The CAS Registry Number of Methyl-d3 Toluenesulfonate is 7575-93-1. It is also known as Methan-d3-ol, p-toluenesulfonate, Methy-d3 (toluenesulfonate), Methyl-d3 tosylate.

What is the molecular formula and molecular weight of Methyl-d3 Toluenesulfonate?

Methyl-d3 Toluenesulfonate has the molecular formula C8H10O3S and a molecular weight of 189.25 g/mol. Its IUPAC name is trideuteriomethyl 4-methylbenzenesulfonate.

What is Methyl-d3 Toluenesulfonate used for?

Methyl-d3 Toluenesulfonate is supplied as a characterised reference material related to Suplatast tosilate. 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-d3 Toluenesulfonate can I order?

We supply Methyl-d3 Toluenesulfonate 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-d3 Toluenesulfonate?

Yes. Every lot of Methyl-d3 Toluenesulfonate 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-d3 Toluenesulfonate be shipped internationally?

Yes. Methyl-d3 Toluenesulfonate 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.