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2-(Methylthio)-1,4,5,6-tetrahydropyrimidine hydroiodide

Also known as: 2-(Methylsulfanyl)-1,4,5,6-tetrahydropyrimidine hydroiodide, 2-Methylsulfanyl-1,4,5,6-tetrahydropyrimidine hydroiodide, 2-Methylthio-3,4,5,6-tetrahydropyrimidine hydroiodide, Pyrimidine, 1,4,5,6-tetrahydro-2-(methylthio)-, monohydriodide, Pyrimidinium, 1,4,5,6-tetrahydro-2-methylthio-, iodide, 2-Methylmercapto-1,4,5,6-tetrahydropyrimidine hydroiodide, 2-(Methylsulphanyl)-1,4,5,6-tetrahydropyrimidine hydroiodide

2-(Methylthio)-1,4,5,6-tetrahydropyrimidine hydroiodide (CAS 5445-73-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H11IN2S and a molecular weight of 258.12400 g/mol. Key properties include a melting point of 138-139ºC, a boiling point of 208ºC at 760mmHg and a flash point of 79.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5445-73-8
Jingsj CID
J-1491205-1
Molecular Formula
C5H11IN2S
Molecular Weight
258.12400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point138-139ºC
Boiling Point208ºC at 760mmHg
Flash Point79.6ºC
Exact Mass257.96900
PSA49.69000
LogP1.46130
Refractive Index1.601
Storage Conditions2-8℃

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 2-(Methylthio)-1,4,5,6-tetrahydropyrimidine hydroiodide?

The CAS number of 2-(Methylthio)-1,4,5,6-tetrahydropyrimidine hydroiodide is 5445-73-8.

What are the molecular formula and molecular weight of 2-(Methylthio)-1,4,5,6-tetrahydropyrimidine hydroiodide?

2-(Methylthio)-1,4,5,6-tetrahydropyrimidine hydroiodide has molecular formula C5H11IN2S and molecular weight 258.12400 g/mol.

What are the upstream and downstream products of 2-(Methylthio)-1,4,5,6-tetrahydropyrimidine hydroiodide?

For 2-(Methylthio)-1,4,5,6-tetrahydropyrimidine hydroiodide, Upstream Products: 3,4,5,6-Tetrahydro-2-pyrimidinethiol, iodomethane; Downstream Products: 2-Hydrazino-1,4,5,6-tetrahydropyrimidine hydroiodide.

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

Last updated:

How to cite: Jingsj. "2-(Methylthio)-1,4,5,6-tetrahydropyrimidine hydroiodide (CAS 5445-73-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1491205-1 (accessed 2026-11-09).

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