5-chlorothiophen-3-amine

3-氨基-5-氯噻吩

Also known as: 3-amino-5-chlorothiophene, 3-thiophenamine, 5-chloro-

5-chlorothiophen-3-amine (CAS 123403-75-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4ClNS and a molecular weight of 133.59926 g/mol. It is also known as 3-amino-5-chlorothiophene and 3-thiophenamine, 5-chloro-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 123403-75-8
Jingsj CID: J-1176661-8
Molecular Formula: C₄H₄ClNS
Chinese Name: 3-氨基-5-氯噻吩
Molecular Weight: 133.59926 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-chlorothiophen-3-amine?

The CAS number of 5-chlorothiophen-3-amine is 123403-75-8.

What are the molecular formula and molecular weight of 5-chlorothiophen-3-amine?

5-chlorothiophen-3-amine has molecular formula C4H4ClNS and molecular weight 133.59926 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-chlorothiophen-3-amine (CAS 123403-75-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1176661-8 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.