5-Methoxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde

5-甲氧基-1,3-二甲基-1H-吡唑-4-甲醛

Also known as: 1,3-dimethyl-5-methoxy-4-pyrazolecarboxaldehyde, 1H-Pyrazole-4-carboxaldehyde, 5-methoxy-1,3-dimethyl-, 5-Methoxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde, 5-methoxy-1,3-dimethyl-1H-Pyrazole-4-carboxaldehyde, 5-methoxy-1,3-dimethylpyrazole-4-carbaldehyde, TIMTEC-BB SBB010348, methoxydimethylpyrazolecarbaldehyde

5-Methoxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde (CAS 26990-71-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H10N2O2 and a molecular weight of 154.16600 g/mol. It is also known as 1,3-dimethyl-5-methoxy-4-pyrazolecarboxaldehyde, 1H-Pyrazole-4-carboxaldehyde, 5-methoxy-1,3-dimethyl- and 5-methoxy-1,3-dimethyl-1H-Pyrazole-4-carboxaldehyde. Key properties include a melting point of 56-58ºC, a boiling point of 287.4ºC at 760mmHg, a density of 1.15g/cm3 and a flash point of 127.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26990-71-6
Jingsj CID
J-1154444-3
Molecular Formula
C7H10N2O2
Chinese Name
5-甲氧基-1,3-二甲基-1H-吡唑-4-甲醛
Molecular Weight
154.16600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point56-58ºC
Boiling Point287.4ºC at 760mmHg
Density1.15g/cm3
Flash Point127.6ºC

Frequently Asked Questions

What is the CAS number of 5-Methoxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde?

The CAS number of 5-Methoxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde is 26990-71-6.

What are the molecular formula and molecular weight of 5-Methoxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde?

5-Methoxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde has molecular formula C7H10N2O2 and molecular weight 154.16600 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Methoxy-1,3-dimethyl-1H-pyrazole-4-carbaldehyde (CAS 26990-71-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1154444-3 (accessed 2026-10-24).

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