3-methyl-5-oxo-1,2-dihydropyrazole-4-carbaldehyde

5-羟基-3-甲基-1H-吡唑-4-甲醛

Also known as: 5-hydroxy-3-methyl-1H-pyrazole-4-carbaldehyde, 5-Hydroxy-3-methyl-1H-pyrazol-4-carbaldehyde, 3-methyl-5-oxo-1,2-dihydropyrazole-4-carboxaldehyde, 3-keto-5-methyl-1,2-dihydropyrazole-4-carbaldehyde, 1H-Pyrazole-4-carboxaldehyde, 2,3-dihydro-5-methyl-3-oxo-, 1H-Pyrazole-4-carboxaldehyde,2,3-dihydro-5-methyl-3-oxo-(9CI)

3-methyl-5-oxo-1,2-dihydropyrazole-4-carbaldehyde (CAS 470704-73-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O2 and a molecular weight of 126.11300 g/mol. It is also known as 5-hydroxy-3-methyl-1H-pyrazole-4-carbaldehyde, 5-Hydroxy-3-methyl-1H-pyrazol-4-carbaldehyde and 3-methyl-5-oxo-1,2-dihydropyrazole-4-carboxaldehyde. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 470704-73-5
Jingsj CID: J-1084066-5
Molecular Formula: C₅H₆N₂O₂
Chinese Name: 5-羟基-3-甲基-1H-吡唑-4-甲醛
Molecular Weight: 126.11300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 3-methyl-5-oxo-1,2-dihydropyrazole-4-carbaldehyde?

The CAS number of 3-methyl-5-oxo-1,2-dihydropyrazole-4-carbaldehyde is 470704-73-5.

What are the molecular formula and molecular weight of 3-methyl-5-oxo-1,2-dihydropyrazole-4-carbaldehyde?

3-methyl-5-oxo-1,2-dihydropyrazole-4-carbaldehyde has molecular formula C5H6N2O2 and molecular weight 126.11300 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. "3-methyl-5-oxo-1,2-dihydropyrazole-4-carbaldehyde (CAS 470704-73-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1084066-5 (accessed 2026-10-25).

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