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5-Amino-2-thiobarbituric acid

Also known as: 5-amino-2-sulfanylidene-1,3-diazinane-4,6-dione, 4,6(1H,5H)-Pyrimidinedione, 5-aminodihydro-2-thioxo-, 4,6(1H,5H)-Pyrimidinedione,5-aminodihydro-2-thioxo, 5-AMino-2-thioxodihydropyriMidine-4,6(1H,5H)-dione, 5-Amino-2-thio-barbitursaeure

5-Amino-2-thiobarbituric acid (CAS 98019-74-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H5N3O2S and a molecular weight of 159.16600 g/mol. Key property: a density of 1.658g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
98019-74-0
Jingsj CID
J-1430633-3
Molecular Formula
C4H5N3O2S
Molecular Weight
159.16600 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Density1.658g/cm3
Exact Mass159.01000
PSA116.31000
Refractive Index1.692

Customs & Trade Information

HS Code2933599090
Summary2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 5-Amino-2-thiobarbituric acid?

The CAS number of 5-Amino-2-thiobarbituric acid is 98019-74-0.

What are the molecular formula and molecular weight of 5-Amino-2-thiobarbituric acid?

5-Amino-2-thiobarbituric acid has molecular formula C4H5N3O2S and molecular weight 159.16600 g/mol.

What are the upstream and downstream products of 5-Amino-2-thiobarbituric acid?

For 5-Amino-2-thiobarbituric acid, Upstream Products: Diethyl 2-phthalimidomalonate.

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

Last updated:

How to cite: Jingsj. "5-Amino-2-thiobarbituric acid (CAS 98019-74-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1430633-3 (accessed 2026-11-09).

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