4,6-Diamino-5-(formylamino)pyrimidine

4,6-二氨基-5-甲酰胺基嘧啶

Also known as: FAPy-adenine, N-(4,6-Diaminopyrimidin-5-yl)formamide, 4,6-Diamino-5-formamidopyrimidine, 4,6-Diamino-5-(formylamino)pyrimidine hydrochloride, 4,6-Diamino-5-N-formamidopyrimidine, 4,6-Diamino-5-pyrimidinylformamide

4,6-Diamino-5-(formylamino)pyrimidine (CAS 5122-36-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7N5O and a molecular weight of 281.266 g/mol. It is also known as FAPy-adenine, N-(4,6-Diaminopyrimidin-5-yl)formamide and 4,6-Diamino-5-formamidopyrimidine. Key properties include a boiling point of 464.7±47.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 234.8±29.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5122-36-1
Jingsj CID
J-1959697-6
Molecular Formula
C5H7N5O
Chinese Name
4,6-二氨基-5-甲酰胺基嘧啶
Molecular Weight
281.266 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point464.7±47.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point234.8±29.3 °C

Frequently Asked Questions

What is the CAS number of 4,6-Diamino-5-(formylamino)pyrimidine?

The CAS number of 4,6-Diamino-5-(formylamino)pyrimidine is 5122-36-1.

What are the molecular formula and molecular weight of 4,6-Diamino-5-(formylamino)pyrimidine?

4,6-Diamino-5-(formylamino)pyrimidine has molecular formula C5H7N5O and molecular weight 281.266 g/mol.

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

Last updated:

How to cite: Jingsj. "4,6-Diamino-5-(formylamino)pyrimidine (CAS 5122-36-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1959697-6 (accessed 2026-10-22).

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