4(3H)-Pyrimidinethione

Also known as: 4(1H)-Pyrimidinethione, 4-mercaptopyrimidine, pyrimidine-4-thiol, 1,4-dihydropyrimidine-4-thione, pyrimidin-4-thiol

4(3H)-Pyrimidinethione (CAS 1450-86-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4N2S and a molecular weight of 112.15300 g/mol. Key properties include a boiling point of 191.3ºC at 760mmHg, a density of 1.3g/cm3 and a flash point of 69.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1450-86-8
Jingsj CID: J-1080227-4
Molecular Formula: C₄H₄N₂S
Molecular Weight: 112.15300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	191.3ºC at 760mmHg
Density	1.3g/cm3
Flash Point	69.5ºC
Exact Mass	112.01000
PSA	60.77000
LogP	1.13920

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. 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 4(3H)-Pyrimidinethione?

The CAS number of 4(3H)-Pyrimidinethione is 1450-86-8.

What are the molecular formula and molecular weight of 4(3H)-Pyrimidinethione?

4(3H)-Pyrimidinethione has molecular formula C4H4N2S and molecular weight 112.15300 g/mol.

What are the upstream and downstream products of 4(3H)-Pyrimidinethione?

For 4(3H)-Pyrimidinethione, Upstream Products: 4(3H)-Pyrimidinone.

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. "4(3H)-Pyrimidinethione (CAS 1450-86-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1080227-4 (accessed 2026-11-09).

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