1,3,5-Trimethyluracil

1,3,5-三甲基尿嘧啶

Also known as: 1,3-Dimethylthymine, 1,3,5-Trimethyl-2,4(1H,3H)-pyrimidinedione, 1,3,5-Trimethylpyrimidine-2,4(1H,3H)-dione, N,N'-dimethylthymine, Uracil, 1,3,5-trimethyl-

1,3,5-Trimethyluracil (CAS 4401-71-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H10N2O2 and a molecular weight of 154.167 g/mol. It is also known as 1,3-Dimethylthymine, 1,3,5-Trimethyl-2,4(1H,3H)-pyrimidinedione and 1,3,5-Trimethylpyrimidine-2,4(1H,3H)-dione. Key properties include a boiling point of 222.1±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 87.8±15.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4401-71-2
Jingsj CID
J-1000836-8
Molecular Formula
C7H10N2O2
Chinese Name
1,3,5-三甲基尿嘧啶
Molecular Weight
154.167 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point222.1±23.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point87.8±15.0 °C

Frequently Asked Questions

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

The CAS number of 1,3,5-Trimethyluracil is 4401-71-2.

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

1,3,5-Trimethyluracil has molecular formula C7H10N2O2 and molecular weight 154.167 g/mol.

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

Last updated:

How to cite: Jingsj. "1,3,5-Trimethyluracil (CAS 4401-71-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1000836-8 (accessed 2026-10-22).

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