2-Thiouracil-5-carboxylic acid

4-羟基-2-巯基-5-嘧啶甲酸

Also known as: 5-Carboxy-2-thiouracil, 5-Carboxy-4-hydroxy-2-thiopyrimidine, 4-Oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylic acid, 1,2,3,4-Tetrahydro-4-oxo-2-thioxo-5-pyrimidinecarboxylic acid, 2-Thioisoorotic acid, 5-Carboxy-2-thiouracil free acid

CAS No.
23945-50-8
Jingsj CID
J-1169495-5
Molecular Formula
C5H4N2O3S
Chinese Name
4-羟基-2-巯基-5-嘧啶甲酸
Molecular Weight
172.16200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point461.2ºC at 760mmHg
Density1.74g/cm3
Flash Point232.7ºC

Frequently Asked Questions

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

23945-50-8

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

C5H4N2O3S, molecular weight 172.16200 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026