Isoquinoline-5-carboxylic acid

异喹啉-5-甲酸

Also known as: 5-Carboxyisoquinoline, 5-Isoquinolinecarboxylic acid, 5-Carboxyisoquinoline, 2-azanaphthalene-5-carboxylic acid, Isochinolin-5-carbonsaeure, MFCD03788744

Isoquinoline-5-carboxylic acid (CAS 27810-64-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H7NO2 and a molecular weight of 173.168 g/mol. It is also known as 5-Carboxyisoquinoline, 5-Isoquinolinecarboxylic acid and 5-Carboxyisoquinoline, 2-azanaphthalene-5-carboxylic acid. Key properties include a melting point of 278-281ºC, a boiling point of 386.5±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 187.5±20.4 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
27810-64-6
Jingsj CID
J-1001998-8
Molecular Formula
C10H7NO2
Chinese Name
异喹啉-5-甲酸
Molecular Weight
173.168 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point278-281ºC
Boiling Point386.5±15.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point187.5±20.4 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of Isoquinoline-5-carboxylic acid?

The CAS number of Isoquinoline-5-carboxylic acid is 27810-64-6.

What are the molecular formula and molecular weight of Isoquinoline-5-carboxylic acid?

Isoquinoline-5-carboxylic acid has molecular formula C10H7NO2 and molecular weight 173.168 g/mol.

Is Isoquinoline-5-carboxylic acid hazardous?

Isoquinoline-5-carboxylic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "Isoquinoline-5-carboxylic acid (CAS 27810-64-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1001998-8 (accessed 2026-10-22).

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