4,5-diamino-6-mercaptopyrimidine

Also known as: 4(1H)-pyrimidinethione,5,6-diamino-, 4(3H)-pyrimidinethione,5,6-diamino-, 4,5-diaminopyrimidine-6-thiol, 4-mercapto-5,6-diaminopyrimidine, 4-thio-5,6-diaminopyrimidine, 5,6-diamino-1H-pyrimidine-4-thione, 5,6-diamino-3H-pyrimidine-4-thione, 5,6-diamino-4-pyrimidinethiol, 5,6-diaminopyrimidine-4-thiol, NSC 30021, 4,5-diamino-6-thiopyrimidine, EINECS 220-644-8, MFCD00047384

4,5-diamino-6-mercaptopyrimidine (CAS 2846-89-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H6N4S and a molecular weight of 142.18200 g/mol. Key properties include a boiling point of 229.3ºC at 760mmHg and a density of 1.78g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2846-89-1
Jingsj CID: J-33260-5
Molecular Formula: C₄H₆N₄S
Molecular Weight: 142.18200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	229.3ºC at 760mmHg
Density	1.78g/cm3
Exact Mass	142.03100
PSA	116.62000
LogP	1.09210
Vapor Pressure	0.07mmHg at 25°C
Refractive Index	1.85

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. 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 4,5-diamino-6-mercaptopyrimidine?

The CAS number of 4,5-diamino-6-mercaptopyrimidine is 2846-89-1.

What are the molecular formula and molecular weight of 4,5-diamino-6-mercaptopyrimidine?

4,5-diamino-6-mercaptopyrimidine has molecular formula C4H6N4S and molecular weight 142.18200 g/mol.

What are the upstream and downstream products of 4,5-diamino-6-mercaptopyrimidine?

For 4,5-diamino-6-mercaptopyrimidine, Upstream Products: 6-Chloro-5-nitropyrimidin-4-amine, 4,5-Diamino-6-hydroxypyrimidine; Downstream Products: thiazolo[5,4-d]pyrimidin-7-amine.

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. "4,5-diamino-6-mercaptopyrimidine (CAS 2846-89-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33260-5 (accessed 2026-11-09).

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