3,5-Dimethoxyisonicotinaldehyde

Also known as: 3,5-Dimethoxypyridine-4-carbaldehyde, 3,5-Dimethoxy-4-pyridinecarboxaldehyde, 3,5-Dimethoxypyridine-4-carboxaldehyde, 4-Pyridinecarboxaldehyde, 3,5-dimethoxy-

3,5-Dimethoxyisonicotinaldehyde (CAS 204862-70-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9NO3 and a molecular weight of 167.162 g/mol. Key properties include a boiling point of 319.6±37.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 147.1±26.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 204862-70-4
Jingsj CID: J-1519443-1
Molecular Formula: C₈H₉NO₃
Molecular Weight: 167.162 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	319.6±37.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	147.1±26.5 °C
Exact Mass	167.058243
PSA	48.42000
LogP	1.33
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.537

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3,5-Dimethoxyisonicotinaldehyde?

The CAS number of 3,5-Dimethoxyisonicotinaldehyde is 204862-70-4.

What are the molecular formula and molecular weight of 3,5-Dimethoxyisonicotinaldehyde?

3,5-Dimethoxyisonicotinaldehyde has molecular formula C8H9NO3 and molecular weight 167.162 g/mol.

What are the upstream and downstream products of 3,5-Dimethoxyisonicotinaldehyde?

For 3,5-Dimethoxyisonicotinaldehyde, Upstream Products: 3,5-Dimethoxypyridine, N,N-Dimethylformamide, 3,5-Difluoropyridine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3,5-Dimethoxyisonicotinaldehyde (CAS 204862-70-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1519443-1 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.