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Mercaptopurine

Also known as: 2-mercaptopurine, 6-mercapto-9H-purine, 6-Mercaptopurine, 6-sulfanyl-9H-purine, 6-sulfanylpurine, purine-6-thione, 9H-purine-6-thiol, THIOHYPOXANTHINE, 6MP, 9H-Purine-6-thiol, Azathioprine Impurity (9H-Purine-6-thiol), 6-Mercaptopurine (6-MP), 6-Purinethiol, 1,9-Dihydro-6H-purine-6-thione

Mercaptopurine (CAS 157930-14-8) 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 152.177 g/mol. Key properties include a boiling point of 490.6±25.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 250.5±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
157930-14-8
Jingsj CID
J-1334286-7
Molecular Formula
C5H4N4S
Molecular Weight
152.177 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point490.6±25.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point250.5±23.2 °C
Exact Mass152.015671
LogP-0.18
Vapor Pressure0.0±1.2 mmHg at 25°C
Refractive Index1.820

Frequently Asked Questions

What is the CAS number of Mercaptopurine?

The CAS number of Mercaptopurine is 157930-14-8.

What are the molecular formula and molecular weight of Mercaptopurine?

Mercaptopurine has molecular formula C5H4N4S and molecular weight 152.177 g/mol.

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

Last updated:

How to cite: Jingsj. "Mercaptopurine (CAS 157930-14-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1334286-7 (accessed 2026-11-07).

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