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4-Iodo-2-(methylthio)pyrimidine

Also known as: 4-Iodo-2-methylsulfanylpyrimidine, 4-Iodo-2-(methylsulphanyl)pyrimidine, 4-Iodo-2-(methylthio)-1,3-diazine, 4-iodo-2-methylsulfanyl-pyrimidine, 4-lodo-2-(methylthio)pyrimidine, Pyrimidine, 4-iodo-2-(methylthio)-, MFCD01319020

4-Iodo-2-(methylthio)pyrimidine (CAS 1122-74-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5IN2S and a molecular weight of 252.076 g/mol. Key properties include a boiling point of 307.0±15.0 °C at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 139.4±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1122-74-3
Jingsj CID
J-23326-1
Molecular Formula
C5H5IN2S
Molecular Weight
252.076 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point307.0±15.0 °C at 760 mmHg
Density2.0±0.1 g/cm3
Flash Point139.4±20.4 °C
Exact Mass251.921799
PSA51.08000
LogP2.25
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.687

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 4-Iodo-2-(methylthio)pyrimidine?

The CAS number of 4-Iodo-2-(methylthio)pyrimidine is 1122-74-3.

What are the molecular formula and molecular weight of 4-Iodo-2-(methylthio)pyrimidine?

4-Iodo-2-(methylthio)pyrimidine has molecular formula C5H5IN2S and molecular weight 252.076 g/mol.

What are the upstream and downstream products of 4-Iodo-2-(methylthio)pyrimidine?

For 4-Iodo-2-(methylthio)pyrimidine, Upstream Products: 4-Chloro-2-(methylthio)pyrimidine; Downstream Products: 2-Methylthiopyrimidine, 2-(Methylthio)-4-(tributylstannyl)pyrimidine, 2-(Methylthio)-4-pyrimidinecarbonitrile.

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

Last updated:

How to cite: Jingsj. "4-Iodo-2-(methylthio)pyrimidine (CAS 1122-74-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23326-1 (accessed 2026-11-09).

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