5-fluoro-3-methyl-1H-pyrimidine-2,4-dione

5-氟-3-甲基-1H-嘧啶-2,4-二酮

Also known as: 1-N-methyl-5-fluorouracil, 2,4(1H,3H)-Pyrimidinedione, 5-fluoro-3-methyl-, 3-Methyl-5-fluoruracil, 5-fluoro-3-methylpyrimidine-2,4(1H,3H)-dione, 5-fluoro-3-methyluracil, Fluorouracil Impurity, Fluorouracil Impurity 3, Fluorouracil Impurity 8, Fluorouracil-002, NSC 316061

5-fluoro-3-methyl-1H-pyrimidine-2,4-dione (CAS 4840-69-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5FN2O2 and a molecular weight of 144.10400 g/mol. It is also known as 1-N-methyl-5-fluorouracil, 2,4(1H,3H)-Pyrimidinedione, 5-fluoro-3-methyl- and 3-Methyl-5-fluoruracil. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4840-69-1
Jingsj CID
J-2628-8
Molecular Formula
C5H5FN2O2
Chinese Name
5-氟-3-甲基-1H-嘧啶-2,4-二酮
Molecular Weight
144.10400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Frequently Asked Questions

What is the CAS number of 5-fluoro-3-methyl-1H-pyrimidine-2,4-dione?

The CAS number of 5-fluoro-3-methyl-1H-pyrimidine-2,4-dione is 4840-69-1.

What are the molecular formula and molecular weight of 5-fluoro-3-methyl-1H-pyrimidine-2,4-dione?

5-fluoro-3-methyl-1H-pyrimidine-2,4-dione has molecular formula C5H5FN2O2 and molecular weight 144.10400 g/mol.

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

Last updated:

How to cite: Jingsj. "5-fluoro-3-methyl-1H-pyrimidine-2,4-dione (CAS 4840-69-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2628-8 (accessed 2026-10-24).

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