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5,6-Diamino-1,3-dimethyluracil

5,6-二氨基-1,3-二甲基尿嘧啶

Also known as: 4,5-Diamino-1,3-dimethyluracil, 5,6-Diamino-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione, 5,6-Diamino-1,3-dimethylpyrimidine-2,4-dione, 1,3-Dimethyl-5,6-diaminouracil, NSC 15493

5,6-Diamino-1,3-dimethyluracil (CAS 5440-00-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H10N4O2 and a molecular weight of 170.169 g/mol. It is also known as 4,5-Diamino-1,3-dimethyluracil, 5,6-Diamino-1,3-dimethyl-2,4(1H,3H)-pyrimidinedione and 5,6-Diamino-1,3-dimethylpyrimidine-2,4-dione. Key properties include a melting point of 210-214ºC (dec.)(lit.), a boiling point of 243.6±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 101.1±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5440-00-6
Jingsj CID
J-26718-4
Molecular Formula
C6H10N4O2
Chinese Name
5,6-二氨基-1,3-二甲基尿嘧啶
Molecular Weight
170.169 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point210-214ºC (dec.)(lit.)
Boiling Point243.6±50.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point101.1±30.1 °C

Frequently Asked Questions

What is the CAS number of 5,6-Diamino-1,3-dimethyluracil?

The CAS number of 5,6-Diamino-1,3-dimethyluracil is 5440-00-6.

What are the molecular formula and molecular weight of 5,6-Diamino-1,3-dimethyluracil?

5,6-Diamino-1,3-dimethyluracil has molecular formula C6H10N4O2 and molecular weight 170.169 g/mol.

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

Last updated:

How to cite: Jingsj. "5,6-Diamino-1,3-dimethyluracil (CAS 5440-00-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26718-4 (accessed 2026-10-22).

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