8-Mercaptopurine

8-巯基嘌呤

Also known as: 7H-Purine-8-thiol, Purine-8-thiol, 7,9-Dihydropurine-8-thione, NSC23721, 7,9-Dihydro-8H-purine-8-thione, 8H-Purine-8-thione, 7,9-dihydro-

8-Mercaptopurine (CAS 583-40-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4N4S and a molecular weight of 152.17700 g/mol. It is also known as 7H-Purine-8-thiol, Purine-8-thiol and 7,9-Dihydropurine-8-thione. Key properties include a boiling point of 330ºC at 760 mmHg, a density of 1.62 g/cm3 and a flash point of 153.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
583-40-4
Jingsj CID
J-7551-8
Molecular Formula
C5H4N4S
Chinese Name
8-巯基嘌呤
Molecular Weight
152.17700 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point330ºC at 760 mmHg
Density1.62 g/cm3
Flash Point153.4ºC

Frequently Asked Questions

What is the CAS number of 8-Mercaptopurine?

The CAS number of 8-Mercaptopurine is 583-40-4.

What are the molecular formula and molecular weight of 8-Mercaptopurine?

8-Mercaptopurine has molecular formula C5H4N4S and molecular weight 152.17700 g/mol.

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

Last updated:

How to cite: Jingsj. "8-Mercaptopurine (CAS 583-40-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7551-8 (accessed 2026-10-22).

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