2-(Thiophen-2-yl)ethyl benzenesulfonate

About 2-(Thiophen-2-yl)ethyl benzenesulfonate

2-(Thiophen-2-yl)ethyl benzenesulfonate is a process intermediate or related compound of Clopidogrel carrying the CAS registry number 85567-51-7 with a typical assay of 90%. Its molecular formula is C12H12O3S2 and its molecular weight is 268.4 g/mol. It is also known as 2-(2-Thienyl)ethyl benzenesulphonate or 2-Thiopheneethanol, 2-benzenesulfonate.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is a process intermediate or related compound in the synthesis of Clopidogrel, useful for route development, impurity fate-and-purge studies and analytical method development. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer 2-(Thiophen-2-yl)ethyl benzenesulfonate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. This item is currently in stock for prompt dispatch.

Typical applications

API route development
Impurity fate & purge studies
Analytical method development

Industries

Related to Clopidogrel

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

Clopidogrel impurities

Specifications & identifiers

Chemical identifiers
Product name	2-(Thiophen-2-yl)ethyl benzenesulfonate
Catalogue No.	VQ-012921
CAS Number	85567-51-7
IUPAC name	2-thiophen-2-ylethyl benzenesulfonate
Molecular formula	C₁₂H₁₂O₃S₂
Molecular weight	268.4 g/mol
Exact mass	268.0228
Grade	Reference Standard
Purity / assay	90%
InChIKey	SXYFRONLEKYUEC-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)S(=O)(=O)OCCC2=CC=CS2
PubChem CID	6366083

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	0 / 4
TPSA	80 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 2-(Thiophen-2-yl)ethyl benzenesulfonate?

The CAS Registry Number of 2-(Thiophen-2-yl)ethyl benzenesulfonate is 85567-51-7. It is also known as 2-(2-Thienyl)ethyl benzenesulphonate, 2-Thiopheneethanol, 2-benzenesulfonate, 2-Thiopheneethanol, benzenesulfonate.

What is the molecular formula and molecular weight of 2-(Thiophen-2-yl)ethyl benzenesulfonate?

2-(Thiophen-2-yl)ethyl benzenesulfonate has the molecular formula C12H12O3S2 and a molecular weight of 268.4 g/mol. Its IUPAC name is 2-thiophen-2-ylethyl benzenesulfonate.

What is 2-(Thiophen-2-yl)ethyl benzenesulfonate used for?

2-(Thiophen-2-yl)ethyl benzenesulfonate is supplied as a characterised reference material related to Clopidogrel. 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 2-(Thiophen-2-yl)ethyl benzenesulfonate can I order?

We supply 2-(Thiophen-2-yl)ethyl benzenesulfonate in Reference Standard (90%) grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-(Thiophen-2-yl)ethyl benzenesulfonate?

Yes. Every lot of 2-(Thiophen-2-yl)ethyl benzenesulfonate 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 2-(Thiophen-2-yl)ethyl benzenesulfonate be shipped internationally?

Yes. 2-(Thiophen-2-yl)ethyl benzenesulfonate 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.