Chelidamic acid
Also known as: 4-Hydroxypyridine-2,6-dicarboxylic acid, 4-Oxo-1,4-dihydropyridine-2,6-dicarboxylic acid, 1,4-Dihydro-4-oxo-2,6-pyridinedicarboxylic acid, 4-Hydroxy-2,6-pyridinedicarboxylic acid, 2,6-Pyridinedicarboxylic acid, 4-hydroxy-, Chelidamic acid monohydrate, 4-Pyridone-2,6-dicarboxylic acid
Chelidamic acid (CAS 138-60-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5NO5 and a molecular weight of 183.118 g/mol. Key properties include a melting point of 267 °C (dec.)(lit.), a boiling point of 428.3±45.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 212.8±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 138-60-3
- Jingsj CID
- J-33223-0
- Molecular Formula
- C7H5NO5
- Molecular Weight
- 183.118 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 267 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 428.3±45.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 212.8±28.7 °C |
| Exact Mass | 183.016769 |
| PSA | 107.46000 |
| LogP | -1.43 |
| Vapor Pressure | 0.0±2.2 mmHg at 25°C |
| Refractive Index | 1.635 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | Ki: 33 μM (Glutamate decarboxylase)[3]. |
|---|---|
| Additional Information | [1]. Searcey M, et al. Synthesis, DNA-cleaving properties and cytotoxicity of intercalating chelidamic acid derivatives. Anticancer Drug Des. 13(8):837-55. [2]. Espinet P, et al. Mesogenic palladium complexes with pincer ligands derived from dipicolinic acid. Inorg Chem. 2000 Aug, 7;39(16):3645-51. [3]. Porter TG, et al. Chelidonic acid and other conformationally restricted substrate analogues as inhibitors of rat brain glutamate decarboxylase. Biochem Pharmacol. 1985 Dec 1;34(23):4145-50. |
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 Chelidamic acid?
The CAS number of Chelidamic acid is 138-60-3.
What are the molecular formula and molecular weight of Chelidamic acid?
Chelidamic acid has molecular formula C7H5NO5 and molecular weight 183.118 g/mol.
Is Chelidamic acid hazardous?
Chelidamic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Chelidamic acid?
For Chelidamic acid, Upstream Products: Chelidonic acid; Downstream Products: Diethyl 4-chloropyridine-2,6-dicarboxylate, 4-Chloropyridine-2,6-dicarboxylic acid, Dimethyl 4-chloropyridine-2,6-dicarboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Chelidamic acid (CAS 138-60-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33223-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.