5-(Acetylamino)thiophene-2-carboxylic acid

Also known as: 5-Acetamidothiophene-2-carboxylic acid, 5-(acetylamino)-2-thiophenecarboxylic acid, 2-Thiophenecarboxylic acid, 5-(acetylamino)-, 5-Acetamino-thiophen-2-carbonsaeure

5-(Acetylamino)thiophene-2-carboxylic acid (CAS 89499-46-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7NO3S and a molecular weight of 185.20000 g/mol. Key properties include a boiling point of 471.3ºC at 760 mmHg, a density of 1.487g/cm3 and a flash point of 238.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 89499-46-7
Jingsj CID: J-1447216-3
Molecular Formula: C₇H₇NO₃S
Molecular Weight: 185.20000 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	471.3ºC at 760 mmHg
Density	1.487g/cm3
Flash Point	238.8ºC
Exact Mass	185.01500
PSA	98.13000
LogP	2.05420
Refractive Index	1.657

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 5-(Acetylamino)thiophene-2-carboxylic acid?

The CAS number of 5-(Acetylamino)thiophene-2-carboxylic acid is 89499-46-7.

What are the molecular formula and molecular weight of 5-(Acetylamino)thiophene-2-carboxylic acid?

5-(Acetylamino)thiophene-2-carboxylic acid has molecular formula C7H7NO3S and molecular weight 185.20000 g/mol.

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. "5-(Acetylamino)thiophene-2-carboxylic acid (CAS 89499-46-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1447216-3 (accessed 2026-11-09).

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