1,3-Dimethyl-5-cyanouracil

1,3-二甲基-5-氰基尿嘧啶

Also known as: 1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile, 1,3-Dimethyl-2,4-dioxopyrimidine-5-carbonitrile, 5-CN-1,3-DMU, 1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-pyrimidine-5-carbonitrile, 1,3-Dimethyl-5-cyanouracil

1,3-Dimethyl-5-cyanouracil (CAS 36980-91-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7N3O2 and a molecular weight of 165.14900 g/mol. It is also known as 1,3-Dimethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile, 1,3-Dimethyl-2,4-dioxopyrimidine-5-carbonitrile and 5-CN-1,3-DMU. Key properties include a boiling point of 250.226ºC at 760 mmHg, a density of 1.372g/cm3 and a flash point of 105.133ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
36980-91-3
Jingsj CID
J-1056781-8
Molecular Formula
C7H7N3O2
Chinese Name
1,3-二甲基-5-氰基尿嘧啶
Molecular Weight
165.14900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point250.226ºC at 760 mmHg
Density1.372g/cm3
Flash Point105.133ºC

Frequently Asked Questions

What is the CAS number of 1,3-Dimethyl-5-cyanouracil?

The CAS number of 1,3-Dimethyl-5-cyanouracil is 36980-91-3.

What are the molecular formula and molecular weight of 1,3-Dimethyl-5-cyanouracil?

1,3-Dimethyl-5-cyanouracil has molecular formula C7H7N3O2 and molecular weight 165.14900 g/mol.

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

Last updated:

How to cite: Jingsj. "1,3-Dimethyl-5-cyanouracil (CAS 36980-91-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1056781-8 (accessed 2026-10-22).

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