1-(Pyrimidin-2-yl)urea

1-(2-嘧啶基)脲

Also known as: 1-pyrimidin-2-ylurea, Urea, N-2-pyrimidinyl-, Urea, 2-pyrimidinyl- (6CI,8CI,9CI), Pyrimidin-2-yl-harnstoff, 2-Pyrimidinylurea

1-(Pyrimidin-2-yl)urea (CAS 33561-08-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N4O and a molecular weight of 138.12700 g/mol. It is also known as 1-pyrimidin-2-ylurea, Urea, N-2-pyrimidinyl- and Urea, 2-pyrimidinyl- (6CI,8CI,9CI). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33561-08-9
Jingsj CID: J-1477927-7
Molecular Formula: C₅H₆N₄O
Chinese Name: 1-(2-嘧啶基)脲
Molecular Weight: 138.12700 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 1-(Pyrimidin-2-yl)urea?

The CAS number of 1-(Pyrimidin-2-yl)urea is 33561-08-9.

What are the molecular formula and molecular weight of 1-(Pyrimidin-2-yl)urea?

1-(Pyrimidin-2-yl)urea has molecular formula C5H6N4O and molecular weight 138.12700 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(Pyrimidin-2-yl)urea (CAS 33561-08-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1477927-7 (accessed 2026-10-25).

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