2,4-Dimethoxypyridine

Also known as: 2,4-Dimethoxypyridine, 2,4-DimethoxypyridineI, 2,4-Dimthoxypyridine, Pyridine, 2,4-dimethoxy-

2,4-Dimethoxypyridine (CAS 18677-43-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H9NO2 and a molecular weight of 139.15200 g/mol. Key properties include a boiling point of 201.4ºC at 760mmHg and a density of 1.064g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 18677-43-5
Jingsj CID: J-1000553-5
Molecular Formula: C₇H₉NO₂
Molecular Weight: 139.15200 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	201.4ºC at 760mmHg
Density	1.064g/cm3
Exact Mass	139.06300
PSA	31.35000
LogP	1.09880
Vapor Pressure	1.82mmHg at 25°C
Refractive Index	1.427

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 2,4-Dimethoxypyridine?

The CAS number of 2,4-Dimethoxypyridine is 18677-43-5.

What are the molecular formula and molecular weight of 2,4-Dimethoxypyridine?

2,4-Dimethoxypyridine has molecular formula C7H9NO2 and molecular weight 139.15200 g/mol.

What are the upstream and downstream products of 2,4-Dimethoxypyridine?

For 2,4-Dimethoxypyridine, Upstream Products: 2,4-Dichloropyridine, Sodium methoxide, 3-Bromo-2,4-dimethoxypyridine; Downstream Products: 2,4-Dihydroxypyridine, 5-bromo-2,4-dimethoxypyridine.

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. "2,4-Dimethoxypyridine (CAS 18677-43-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1000553-5 (accessed 2026-11-09).

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