N-tert-Butyl-5-chlorothiophene-2-sulfonamide

Also known as: 5-Chloro-N-tert-butyl-2-thiophenesulfonamide, 5-Chlorothiophene-2-sulfonic acid tert-butylamide, N-(tert-Butyl)-5-chlorothiophene-2-sulfonamide, N-(tert-Butyl)-5-chlorothiophene-2-sulphonamide, N-tert-Butyl 5-Chloro-2-thiophenesulfonamide, N-tert-Butyl-5-chlorothiophene sulfonamide, 2-Thiophenesulfonamide, 5-chloro-N-(1,1-dimethylethyl)-, 5-Chloro-N-(2-methyl-2-propanyl)-2-thiophenesulfonamide

N-tert-Butyl-5-chlorothiophene-2-sulfonamide (CAS 155731-14-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H12ClNO2S2 and a molecular weight of 253.769 g/mol. Key properties include a boiling point of 349.1±52.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 164.9±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 155731-14-9
Jingsj CID: J-1357670-0
Molecular Formula: C₈H₁₂ClNO₂S₂
Molecular Weight: 253.769 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	349.1±52.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	164.9±30.7 °C
Exact Mass	252.999802
PSA	82.79000
LogP	2.81
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.548
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2935009090
Summary	2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

Frequently Asked Questions

What is the CAS number of N-tert-Butyl-5-chlorothiophene-2-sulfonamide?

The CAS number of N-tert-Butyl-5-chlorothiophene-2-sulfonamide is 155731-14-9.

What are the molecular formula and molecular weight of N-tert-Butyl-5-chlorothiophene-2-sulfonamide?

N-tert-Butyl-5-chlorothiophene-2-sulfonamide has molecular formula C8H12ClNO2S2 and molecular weight 253.769 g/mol.

What are the upstream and downstream products of N-tert-Butyl-5-chlorothiophene-2-sulfonamide?

For N-tert-Butyl-5-chlorothiophene-2-sulfonamide, Upstream Products: 5-Chlorothiophene-2-sulfonyl chloride, tert-Butylamine; Downstream Products: 3-amino-N-tert-butyl-5-chlorothiophene-2-sulfonamide.

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. "N-tert-Butyl-5-chlorothiophene-2-sulfonamide (CAS 155731-14-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1357670-0 (accessed 2026-11-09).

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