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2-Thiobarbituric acid

Also known as: 2-sulfanylidene-1,3-diazinane-4,6-dione, TBA, 2-Mercapto-4,6-dihydroxypyrimidine, 4,6-Dihydroxy-2-mercaptopyrimidine, 4,6-Dihydroxypyrimidine-2-thiol, Dihydro-2-thioxo-4,6(1H,5H)-pyrimidinedione, Ticagrelor Impurity 118

2-Thiobarbituric acid (CAS 91759-32-9) 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 144.15200 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
91759-32-9
Jingsj CID
J-1087080-1
Molecular Formula
C4H4N2O2S
Molecular Weight
144.15200 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass143.99900
PSA97.27000

Frequently Asked Questions

What is the CAS number of 2-Thiobarbituric acid?

The CAS number of 2-Thiobarbituric acid is 91759-32-9.

What are the molecular formula and molecular weight of 2-Thiobarbituric acid?

2-Thiobarbituric acid has molecular formula C4H4N2O2S and molecular weight 144.15200 g/mol.

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-Thiobarbituric acid (CAS 91759-32-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1087080-1 (accessed 2026-11-09).

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