Skip to main content

2-Aminothiazole-5-carboxylic acid

Also known as: 2-Amino-5-thiazolecarboxylic acid, 2-Aminothiazol-5-ylcarboxylic acid, 2-Amino-1,3-thiazole-5-carboxylic acid, 5-Thiazolecarboxylic acid, 2-amino-, 2-Amino-5-carboxy-1,3-thiazole, RARECHEM AL BE 1263

2-Aminothiazole-5-carboxylic acid (CAS 40283-46-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4N2O2S and a molecular weight of 144.152 g/mol. Key properties include a melting point of 214-216ºC, a boiling point of 415.0±18.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 204.8±21.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
40283-46-3
Jingsj CID
J-7065-5
Molecular Formula
C4H4N2O2S
Molecular Weight
144.152 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point214-216ºC
Boiling Point415.0±18.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point204.8±21.2 °C
Exact Mass143.999344
PSA104.45000
LogP0.06
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.708

Frequently Asked Questions

What is the CAS number of 2-Aminothiazole-5-carboxylic acid?

The CAS number of 2-Aminothiazole-5-carboxylic acid is 40283-46-3.

What are the molecular formula and molecular weight of 2-Aminothiazole-5-carboxylic acid?

2-Aminothiazole-5-carboxylic acid has molecular formula C4H4N2O2S and molecular weight 144.152 g/mol.

What are the upstream and downstream products of 2-Aminothiazole-5-carboxylic acid?

For 2-Aminothiazole-5-carboxylic acid, Upstream Products: Ethyl 2-aminothiazole-5-carboxylate, Methyl 2-aminothiazole-5-carboxylate; Downstream Products: 2-Aminothiazole, 2-[(tert-Butoxycarbonyl)amino]-1,3-thiazole-5-carboxylic acid, 5-Fluorothiazol-2-amine.

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

Last updated:

How to cite: Jingsj. "2-Aminothiazole-5-carboxylic acid (CAS 40283-46-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7065-5 (accessed 2026-11-09).

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