3-amino-5-(4-methoxyphenyl)thiophene-2-carboxylic acid

3-氨基-5-(4-甲氧基苯基)噻吩-2-羧酸

Also known as: 2-Thiophenecarboxylic acid, 3-amino-5-(4-methoxyphenyl)-, 3-amino-5-(4-methoxyphenyl)-2-thiophenecarboxylic acid, 3-azanyl-5-(4-methoxyphenyl)thiophene-2-carboxylic acid

3-amino-5-(4-methoxyphenyl)thiophene-2-carboxylic acid (CAS 649757-53-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H11NO3S and a molecular weight of 249.28600 g/mol. It is also known as 2-Thiophenecarboxylic acid, 3-amino-5-(4-methoxyphenyl)-, 3-amino-5-(4-methoxyphenyl)-2-thiophenecarboxylic acid and 3-azanyl-5-(4-methoxyphenyl)thiophene-2-carboxylic acid. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 649757-53-9
Jingsj CID: J-1088020-9
Molecular Formula: C₁₂H₁₁NO₃S
Chinese Name: 3-氨基-5-(4-甲氧基苯基)噻吩-2-羧酸
Molecular Weight: 249.28600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 3-amino-5-(4-methoxyphenyl)thiophene-2-carboxylic acid?

The CAS number of 3-amino-5-(4-methoxyphenyl)thiophene-2-carboxylic acid is 649757-53-9.

What are the molecular formula and molecular weight of 3-amino-5-(4-methoxyphenyl)thiophene-2-carboxylic acid?

3-amino-5-(4-methoxyphenyl)thiophene-2-carboxylic acid has molecular formula C12H11NO3S and molecular weight 249.28600 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. "3-amino-5-(4-methoxyphenyl)thiophene-2-carboxylic acid (CAS 649757-53-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1088020-9 (accessed 2026-10-22).

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