5-Aminothiazole-4-carboxamide

Also known as: 5-amino-1,3-thiazole-4-carboxamide, 4-Thiazolecarboxamide, 5-amino-, 5-Amino-4-thiazolecarboxamide

5-Aminothiazole-4-carboxamide (CAS 5539-46-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5N3OS and a molecular weight of 143.167 g/mol. Key properties include a boiling point of 366.9±22.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 175.7±22.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5539-46-8
Jingsj CID: J-1021989-3
Molecular Formula: C₄H₅N₃OS
Molecular Weight: 143.167 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	366.9±22.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	175.7±22.3 °C
Exact Mass	143.015335
PSA	110.24000
LogP	-0.38
Vapor Pressure	0.0±0.8 mmHg at 25°C
Refractive Index	1.698

Customs & Trade Information

HS Code	2934100090
Summary	2934100090 other compounds containing an unfused thiazole ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5-Aminothiazole-4-carboxamide?

The CAS number of 5-Aminothiazole-4-carboxamide is 5539-46-8.

What are the molecular formula and molecular weight of 5-Aminothiazole-4-carboxamide?

5-Aminothiazole-4-carboxamide has molecular formula C4H5N3OS and molecular weight 143.167 g/mol.

What are the upstream and downstream products of 5-Aminothiazole-4-carboxamide?

For 5-Aminothiazole-4-carboxamide, Upstream Products: Ethyl 5-amino-1,3-thiazole-4-carboxylate, 2-Amino-2-cyanoacetamide.

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-Aminothiazole-4-carboxamide (CAS 5539-46-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1021989-3 (accessed 2026-11-09).

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