3-Hydroxy-2,5-dimethylisonicotinaldehyde

3-羟基-2,5-二甲基吡啶-4-甲醛

Also known as: 3-Hydroxy-2,5-dimethylpyridine-4-carbaldehyde, 4-Pyridinecarboxaldehyde, 3-hydroxy-2,5-dimethyl-, 5-Deoxypyridoxal, 3-hydroxy-2,5-dimethyl-pyridine-4-carbaldehyde, 3-Hydroxy-2,5-dimethyl-4-pyridinecarboxaldehyde

3-Hydroxy-2,5-dimethylisonicotinaldehyde (CAS 1849-49-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9NO2 and a molecular weight of 151.163 g/mol. It is also known as 3-Hydroxy-2,5-dimethylpyridine-4-carbaldehyde, 4-Pyridinecarboxaldehyde, 3-hydroxy-2,5-dimethyl- and 5-Deoxypyridoxal. Key properties include a boiling point of 318.9±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 146.7±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1849-49-6
Jingsj CID: J-878805-6
Molecular Formula: C₈H₉NO₂
Chinese Name: 3-羟基-2,5-二甲基吡啶-4-甲醛
Molecular Weight: 151.163 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	318.9±37.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	146.7±26.5 °C

Frequently Asked Questions

What is the CAS number of 3-Hydroxy-2,5-dimethylisonicotinaldehyde?

The CAS number of 3-Hydroxy-2,5-dimethylisonicotinaldehyde is 1849-49-6.

What are the molecular formula and molecular weight of 3-Hydroxy-2,5-dimethylisonicotinaldehyde?

3-Hydroxy-2,5-dimethylisonicotinaldehyde has molecular formula C8H9NO2 and molecular weight 151.163 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-Hydroxy-2,5-dimethylisonicotinaldehyde (CAS 1849-49-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-878805-6 (accessed 2026-10-25).

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