6-Methylthioguanine

2-氨基-6-甲硫基嘌呤

Also known as: 2-Amino-6-methylmercaptopurine, 2-Amino-6-methylthiopurine, S-methylthioguanine, 6-(Methylsulfanyl)-7H-purin-2-amine, 6-(Methylthio)-1H-purin-2-amine, NSC 29420, MFCD00044701, EINECS 214-833-4

6-Methylthioguanine (CAS 1198-47-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7N5S and a molecular weight of 181.218 g/mol. It is also known as 2-Amino-6-methylmercaptopurine, 2-Amino-6-methylthiopurine and S-methylthioguanine. Key properties include a melting point of 234-237ºC, a boiling point of 622.1±58.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 330.0±32.3 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1198-47-6
Jingsj CID
J-18231-5
Molecular Formula
C6H7N5S
Chinese Name
2-氨基-6-甲硫基嘌呤
Molecular Weight
181.218 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point234-237ºC
Boiling Point622.1±58.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point330.0±32.3 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 6-Methylthioguanine?

The CAS number of 6-Methylthioguanine is 1198-47-6.

What are the molecular formula and molecular weight of 6-Methylthioguanine?

6-Methylthioguanine has molecular formula C6H7N5S and molecular weight 181.218 g/mol.

Is 6-Methylthioguanine hazardous?

6-Methylthioguanine has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "6-Methylthioguanine (CAS 1198-47-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18231-5 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.