Methyl 4-aminothiophene-3-carboxylate hydrochloride

Also known as: Methyl 3-aminothiophene-4-carboxylate hydrochloride, 4-Aminothiophene-3-carboxylic acid methyl ester hydrochloride, Methyl 4-aminothiophene-3-carboxylate;hydrochloride

Methyl 4-aminothiophene-3-carboxylate hydrochloride (CAS 39978-14-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8ClNO2S and a molecular weight of 193.65100 g/mol. Key properties include a melting point of 203-204°C, a boiling point of 295.9ºC at 760 mmHg and a flash point of 132.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 39978-14-8
Jingsj CID: J-1994080-8
Molecular Formula: C₆H₈ClNO₂S
Molecular Weight: 193.65100 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	203-204°C
Boiling Point	295.9ºC at 760 mmHg
Flash Point	132.8ºC
Exact Mass	192.99600
PSA	80.56000
LogP	2.50010
Refractive Index	1.598

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 Methyl 4-aminothiophene-3-carboxylate hydrochloride?

The CAS number of Methyl 4-aminothiophene-3-carboxylate hydrochloride is 39978-14-8.

What are the molecular formula and molecular weight of Methyl 4-aminothiophene-3-carboxylate hydrochloride?

Methyl 4-aminothiophene-3-carboxylate hydrochloride has molecular formula C6H8ClNO2S and molecular weight 193.65100 g/mol.

What are the upstream and downstream products of Methyl 4-aminothiophene-3-carboxylate hydrochloride?

For Methyl 4-aminothiophene-3-carboxylate hydrochloride, Upstream Products: Methyl 4-oxotetrahydrothiophene-3-carboxylate; Downstream Products: Methyl 4-aminothiophene-3-carboxylate, 4-[[(tert-Butoxy)carbonyl]amino]-3-thiophenecarboxylic acid, Methyl 4-((tert-butoxycarbonyl)amino)thiophene-3-carboxylate.

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. "Methyl 4-aminothiophene-3-carboxylate hydrochloride (CAS 39978-14-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1994080-8 (accessed 2026-11-09).

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