5-(Trifluoromethyl)pyrimidin-2(1H)-one

Also known as: 2(1H)-Pyrimidinone, 5-(trifluoromethyl)-, 2(1H)-Pyrimidinone, 5-(trifluoromethyl)- (9CI), 2-Hydroxy-5-(trifluoromethyl)pyrimidine, 2-pyrimidinol, 5-(trifluoromethyl)-, 5-(trifluoromethyl)-1H-pyrimidin-2-one, 5-(trifluoromethyl)pyrimidin-2-ol, 5-(trifluoromethyl)-2(1H)-pyrimidinone, 5-(trifluoromethyl)pyrimidin-2(1H)-one, 5-trifluoromethyl-2-pyrimidinone, 5-trifluoromethyl-pyrimidin-2-one

5-(Trifluoromethyl)pyrimidin-2(1H)-one (CAS 83767-80-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3F3N2O and a molecular weight of 164.085 g/mol. Key property: a density of 1.6±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 83767-80-0
Jingsj CID: J-1038926-1
Molecular Formula: C₅H₃F₃N₂O
Molecular Weight: 164.085 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Density	1.6±0.1 g/cm3
Exact Mass	164.019745
PSA	46.01000
LogP	0.16
Refractive Index	1.485

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 5-(Trifluoromethyl)pyrimidin-2(1H)-one?

The CAS number of 5-(Trifluoromethyl)pyrimidin-2(1H)-one is 83767-80-0.

What are the molecular formula and molecular weight of 5-(Trifluoromethyl)pyrimidin-2(1H)-one?

5-(Trifluoromethyl)pyrimidin-2(1H)-one has molecular formula C5H3F3N2O and molecular weight 164.085 g/mol.

What are the upstream and downstream products of 5-(Trifluoromethyl)pyrimidin-2(1H)-one?

For 5-(Trifluoromethyl)pyrimidin-2(1H)-one, Upstream Products: 2-Chloro-5-(trifluoromethyl)pyrimidine, 2-Chloro-5-methylpyrimidine.

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-(Trifluoromethyl)pyrimidin-2(1H)-one (CAS 83767-80-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1038926-1 (accessed 2026-11-09).

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