2-(2-Thienyl)ethyl 4-methylbenzenesulfonate

Also known as: 2-(2-Thienyl)ethyl p-toluenesulfonate, 2-(2-Thienyl)ethyl toluene-p-sulfonate, 2-(2-thienyl)ethyl toluene-p-sulphonate, 2-(Thiophen-2-yl)ethyl 4-methylbenzenesulfonate, 2-Thiopheneethanol tosylate, 2-Thiopheneethanol 4-methylbenzenesulfonate, p-Toluenesulfonic acid 2-(2-thienyl)ethyl ester

2-(2-Thienyl)ethyl 4-methylbenzenesulfonate (CAS 40412-06-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H14O3S2 and a molecular weight of 282.379 g/mol. Key properties include a melting point of 30.0 to 34.0 °C, a boiling point of 433.2±33.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 215.8±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 40412-06-4
Jingsj CID: J-1108788-3
Molecular Formula: C₁₃H₁₄O₃S₂
Molecular Weight: 282.379 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	30.0 to 34.0 °C
Boiling Point	433.2±33.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	215.8±25.4 °C
Exact Mass	282.038422
PSA	79.99000
LogP	3.17
Vapor Pressure	0.0±1.0 mmHg at 25°C
Refractive Index	1.586

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-(2-Thienyl)ethyl 4-methylbenzenesulfonate?

The CAS number of 2-(2-Thienyl)ethyl 4-methylbenzenesulfonate is 40412-06-4.

What are the molecular formula and molecular weight of 2-(2-Thienyl)ethyl 4-methylbenzenesulfonate?

2-(2-Thienyl)ethyl 4-methylbenzenesulfonate has molecular formula C13H14O3S2 and molecular weight 282.379 g/mol.

What are the upstream and downstream products of 2-(2-Thienyl)ethyl 4-methylbenzenesulfonate?

For 2-(2-Thienyl)ethyl 4-methylbenzenesulfonate, Upstream Products: 2-Thiopheneethanol, p-Toluenesulfonyl chloride, Water; Downstream Products: (±)-Rotigotine, Rotigotine, Clopidogrel.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2-(2-Thienyl)ethyl 4-methylbenzenesulfonate (CAS 40412-06-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1108788-3 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.