Isoquinoline-5-carboxylic acid
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. 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. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 27810-64-6
- Jingsj CID
- J-1001998-4
- Molecular Formula
- C10H7NO2
- Molecular Weight
- 173.168 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 278-281ºC |
|---|---|
| Boiling Point | 386.5±15.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 187.5±20.4 °C |
| Exact Mass | 173.047684 |
| PSA | 50.19000 |
| LogP | 1.76 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.685 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2933499090 |
|---|---|
| Summary | 2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. 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 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 and hazard statements H302 — Harmful if swallowed; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Isoquinoline-5-carboxylic acid?
For Isoquinoline-5-carboxylic acid, Upstream Products: 5-Cyanoisoquinoline, 3-Bromobenzaldehyde; Downstream Products: 1,2,3-Benzenetricarboxylic acid.
Data compiled from public chemical databases such as PubChem 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-1001998-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.