Urea, 1-(5-oxo-2-pyrazolin-3-yl)-2-thio-

1-(5-氧代-2-吡唑啉-3-基)-2-硫脲

Also known as: Urea,1-(5-oxo-2-pyrazolin-3-yl)-2-thio- (7CI), (5-oxo-1,4-dihydropyrazol-3-yl)thiourea, Thiourea, N-(4,5-dihydro-5-oxo-1H-pyrazol-3-yl)-

Urea, 1-(5-oxo-2-pyrazolin-3-yl)-2-thio- (CAS 859802-49-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H6N4OS and a molecular weight of 158.18200 g/mol. It is also known as Urea,1-(5-oxo-2-pyrazolin-3-yl)-2-thio- (7CI), (5-oxo-1,4-dihydropyrazol-3-yl)thiourea and Thiourea, N-(4,5-dihydro-5-oxo-1H-pyrazol-3-yl)-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 859802-49-6
Jingsj CID: J-1057357-8
Molecular Formula: C₄H₆N₄OS
Chinese Name: 1-(5-氧代-2-吡唑啉-3-基)-2-硫脲
Molecular Weight: 158.18200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of Urea, 1-(5-oxo-2-pyrazolin-3-yl)-2-thio-?

The CAS number of Urea, 1-(5-oxo-2-pyrazolin-3-yl)-2-thio- is 859802-49-6.

What are the molecular formula and molecular weight of Urea, 1-(5-oxo-2-pyrazolin-3-yl)-2-thio-?

Urea, 1-(5-oxo-2-pyrazolin-3-yl)-2-thio- has molecular formula C4H6N4OS and molecular weight 158.18200 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. "Urea, 1-(5-oxo-2-pyrazolin-3-yl)-2-thio- (CAS 859802-49-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1057357-8 (accessed 2026-10-23).

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