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1-(4-Methyl-2-(methylthio)pyrimidin-5-yl)ethanone

Also known as: 1-(4-Methyl-2-methylsulfanyl-pyrimidin-5-yl)-ethanone, Ethanone, 1-[4-methyl-2-(methylthio)-5-pyrimidinyl]-, 1-(4-Methyl-2-(methylthio)pyrimidin-5-yl)ethan-1-one, 5-Acetyl-4-methyl-2-methylthiopyrimidine, 5-Acetyl-2-methylthio-4-methylpyrimidine

1-(4-Methyl-2-(methylthio)pyrimidin-5-yl)ethanone (CAS 66373-26-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H10N2OS and a molecular weight of 182.24300 g/mol. Key properties include a melting point of 82-83 °C(Solv: hexane (110-54-3, a boiling point of 315.2±22.0 °C(Predicted) and a density of 1.19±0.1 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66373-26-0
Jingsj CID
J-1507252-3
Molecular Formula
C8H10N2OS
Molecular Weight
182.24300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Melting Point82-83 °C(Solv: hexane (110-54-3
Boiling Point315.2±22.0 °C(Predicted)
Density1.19±0.1 g/cm3(Predicted)
Exact Mass182.05100
PSA68.15000
LogP1.70950

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 1-(4-Methyl-2-(methylthio)pyrimidin-5-yl)ethanone?

The CAS number of 1-(4-Methyl-2-(methylthio)pyrimidin-5-yl)ethanone is 66373-26-0.

What are the molecular formula and molecular weight of 1-(4-Methyl-2-(methylthio)pyrimidin-5-yl)ethanone?

1-(4-Methyl-2-(methylthio)pyrimidin-5-yl)ethanone has molecular formula C8H10N2OS and molecular weight 182.24300 g/mol.

What are the upstream and downstream products of 1-(4-Methyl-2-(methylthio)pyrimidin-5-yl)ethanone?

For 1-(4-Methyl-2-(methylthio)pyrimidin-5-yl)ethanone, Upstream Products: 3-(Ethoxymethylene)pentane-2,4-dione, 2-Methyl-2-thiopseudourea sulfate, 4-methyl-2-(methylthio)pyrimidine-5-carboxylic acid; Downstream Products: 1-(1,3-dimethyl-1H-pyrazol-4-yl)ethanone.

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

Last updated:

How to cite: Jingsj. "1-(4-Methyl-2-(methylthio)pyrimidin-5-yl)ethanone (CAS 66373-26-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1507252-3 (accessed 2026-11-09).

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