1-Ethyl-3-methyl-1H-pyrazole-4-carbaldehyde oxime

1-乙基-3-甲基-1H-吡唑-4-甲醛肟

Also known as: (E)-1-(1-Ethyl-3-methyl-1H-pyrazol-4-yl)-N-hydroxymethanimine, (Z)-1-ethyl-3-methyl-1H-pyrazole-4-carbaldehyde oxime, 1-ethyl-3-methyl-4-pyrazolecarboxaldehyde oxime, N-[(1-ethyl-3-methyl-pyrazol-4-yl)methylidene]hydroxylamine, N-[(1-ethyl-3-methylpyrazol-4-yl)methylidene]hydroxylamine, AKOS B000984, ART-CHEM-BB B000984

1-Ethyl-3-methyl-1H-pyrazole-4-carbaldehyde oxime (CAS 907990-54-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H11N3O and a molecular weight of 153.18200 g/mol. It is also known as (E)-1-(1-Ethyl-3-methyl-1H-pyrazol-4-yl)-N-hydroxymethanimine, (Z)-1-ethyl-3-methyl-1H-pyrazole-4-carbaldehyde oxime and 1-ethyl-3-methyl-4-pyrazolecarboxaldehyde oxime. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 907990-54-9
Jingsj CID: J-1085135-3
Molecular Formula: C₇H₁₁N₃O
Chinese Name: 1-乙基-3-甲基-1H-吡唑-4-甲醛肟
Molecular Weight: 153.18200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

No offers for this compound yet.

Request a quote

Frequently Asked Questions

What is the CAS number of 1-Ethyl-3-methyl-1H-pyrazole-4-carbaldehyde oxime?

The CAS number of 1-Ethyl-3-methyl-1H-pyrazole-4-carbaldehyde oxime is 907990-54-9.

What are the molecular formula and molecular weight of 1-Ethyl-3-methyl-1H-pyrazole-4-carbaldehyde oxime?

1-Ethyl-3-methyl-1H-pyrazole-4-carbaldehyde oxime has molecular formula C7H11N3O and molecular weight 153.18200 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. "1-Ethyl-3-methyl-1H-pyrazole-4-carbaldehyde oxime (CAS 907990-54-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1085135-3 (accessed 2026-10-25).

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