3-Ethoxypropyl 4-methylbenzenesulfonate

Name: 3-Ethoxypropyl 4-methylbenzenesulfonate
Brand: Vaqora Chemicals
SKU: VQ-050988

About 3-Ethoxypropyl 4-methylbenzenesulfonate

Vaqora Chemicals supplies 3-Ethoxypropyl 4-methylbenzenesulfonate, a process intermediate or related compound of Bosentan registered under CAS number 91766-05-1. Formula C12H18O4S, molecular weight 258.34 g/mol. Common synonyms include 3-Ethoxypropyl tosylate and 3-Ethoxypropyl 4-methylbenzene-1-sulfonate.

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. Good laboratory practice and suitable PPE are recommended during handling.

Process chemists and analysts use it when developing synthetic routes to Bosentan, tracking process-related impurities and validating analytical methods. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 3-Ethoxypropyl 4-methylbenzenesulfonate in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Bosentan

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

Bosentan impurities

Specifications & identifiers

Chemical identifiers
Product name	3-Ethoxypropyl 4-methylbenzenesulfonate
Catalogue No.	VQ-050988
CAS Number	91766-05-1
IUPAC name	3-ethoxypropyl 4-methylbenzenesulfonate
Molecular formula	C₁₂H₁₈O₄S
Molecular weight	258.34 g/mol
Exact mass	258.0926
InChIKey	FWZMCDKVYBQRTP-UHFFFAOYSA-N
SMILES	CCOCCCOS(=O)(=O)C1=CC=C(C=C1)C
PubChem CID	18927866

Physical properties
Physical form	Solid
LogP (XLogP3)	2
H-bond donors / acceptors	0 / 4
TPSA	61 Å²

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 3-Ethoxypropyl 4-methylbenzenesulfonate?

The CAS Registry Number of 3-Ethoxypropyl 4-methylbenzenesulfonate is 91766-05-1. It is also known as 3-Ethoxypropyl tosylate, 3-Ethoxypropyl 4-methylbenzene-1-sulfonate.

What is the molecular formula and molecular weight of 3-Ethoxypropyl 4-methylbenzenesulfonate?

3-Ethoxypropyl 4-methylbenzenesulfonate has the molecular formula C12H18O4S and a molecular weight of 258.34 g/mol. Its IUPAC name is 3-ethoxypropyl 4-methylbenzenesulfonate.

What is 3-Ethoxypropyl 4-methylbenzenesulfonate used for?

3-Ethoxypropyl 4-methylbenzenesulfonate is supplied as a characterised reference material related to Bosentan. 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 3-Ethoxypropyl 4-methylbenzenesulfonate can I order?

We supply 3-Ethoxypropyl 4-methylbenzenesulfonate, 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 3-Ethoxypropyl 4-methylbenzenesulfonate?

Yes. Every lot of 3-Ethoxypropyl 4-methylbenzenesulfonate 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 3-Ethoxypropyl 4-methylbenzenesulfonate be shipped internationally?

Yes. We export 3-Ethoxypropyl 4-methylbenzenesulfonate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.