2-Mercaptoadenine

Also known as: 6-Amino-2-mercaptopurine, 6-Amino-1,3-dihydro-2H-purine-2-thione, 2-Mercapto-6-aminopurine, 2-mercaptoadenine, 2-thioadenine, 6-amino-1,7-dihydro-2H-purine-2-thione, 6-Amino-2-mercapto-9H-purine, 6-Amino-7H-purine-2-thiol, 6-Amino-purin-2-thiol, 6-amino-2-thiopurine, 6-aminopurine-2-thiol

2-Mercaptoadenine (CAS 3647-48-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5N5S and a molecular weight of 167.192 g/mol. Key properties include a boiling point of 273.3±50.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 119.1±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 3647-48-1
Jingsj CID: J-1099053-1
Molecular Formula: C₅H₅N₅S
Molecular Weight: 167.192 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	273.3±50.0 °C at 760 mmHg
Density	2.1±0.1 g/cm3
Flash Point	119.1±30.1 °C
Exact Mass	167.026566
PSA	115.47000
LogP	-1.77
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	2.071

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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-Mercaptoadenine?

The CAS number of 2-Mercaptoadenine is 3647-48-1.

What are the molecular formula and molecular weight of 2-Mercaptoadenine?

2-Mercaptoadenine has molecular formula C5H5N5S and molecular weight 167.192 g/mol.

What are the upstream and downstream products of 2-Mercaptoadenine?

For 2-Mercaptoadenine, Downstream Products: Adenine, Hypoxanthine, 6-Amino-2-bromopurine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-Mercaptoadenine (CAS 3647-48-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1099053-1 (accessed 2026-11-09).

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