5-Chloro-2-methoxynicotinic acid

5-氯-2-甲氧基烟酸

Also known as: 5-Chloro-2-methoxypyridine-3-carboxylic acid, 3-Pyridinecarboxylic acid, 5-chloro-2-methoxy-, 5-chloro-2-methoxy-3-pyridinecarboxylic acid, 5-Chloro-2-methoxynicotinicaci, 3-Carboxy-5-chloro-2-methoxypyridine

5-Chloro-2-methoxynicotinic acid (CAS 54916-65-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H6ClNO3 and a molecular weight of 187.58000 g/mol. It is also known as 5-Chloro-2-methoxypyridine-3-carboxylic acid, 3-Pyridinecarboxylic acid, 5-chloro-2-methoxy- and 5-chloro-2-methoxy-3-pyridinecarboxylic acid. Key properties include a melting point of 146-148ºC, a boiling point of 301.345ºC at 760 mmHg, a density of 1.43g/cm3 and a flash point of 136.049ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 54916-65-3
Jingsj CID: J-1387126-8
Molecular Formula: C₇H₆ClNO₃
Chinese Name: 5-氯-2-甲氧基烟酸
Molecular Weight: 187.58000 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	146-148ºC
Boiling Point	301.345ºC at 760 mmHg
Density	1.43g/cm3
Flash Point	136.049ºC

Frequently Asked Questions

What is the CAS number of 5-Chloro-2-methoxynicotinic acid?

The CAS number of 5-Chloro-2-methoxynicotinic acid is 54916-65-3.

What are the molecular formula and molecular weight of 5-Chloro-2-methoxynicotinic acid?

5-Chloro-2-methoxynicotinic acid has molecular formula C7H6ClNO3 and molecular weight 187.58000 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. "5-Chloro-2-methoxynicotinic acid (CAS 54916-65-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1387126-8 (accessed 2026-10-22).

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