![Molecular structure of Furo[3,4-c]pyridine-1,3-dione (CAS 4664-08-8)](/images/chem_structures_svg/268/4664-08-8.svg)
Furo[3,4-c]pyridine-1,3-dione
Also known as: 3,4-Pyridinedicarboxylic anhydride, Pyridine-3,4-dicarboxylic anhydride, 1,3-Dihydrofuro[3,4-c]pyridine-1,3-dione, 3,4-Pyridinedicarboxylic acid anhydride, 3,4-Pyridinecarboxylic acid anhydride, MFCD00010680
Furo[3,4-c]pyridine-1,3-dione (CAS 4664-08-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H3NO3 and a molecular weight of 149.104 g/mol. Key properties include a melting point of 75-77 °C(lit.), a boiling point of 334.6±15.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 156.2±20.4 °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.
- 4664-08-8
- Jingsj CID
- J-18664-1
- Molecular Formula
- C7H3NO3
- Molecular Weight
- 149.104 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 75-77 °C(lit.) |
|---|---|
| Boiling Point | 334.6±15.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 156.2±20.4 °C |
| Exact Mass | 149.011292 |
| PSA | 56.26000 |
| LogP | 0.11 |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.623 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 Furo[3,4-c]pyridine-1,3-dione?
The CAS number of Furo[3,4-c]pyridine-1,3-dione is 4664-08-8.
What are the molecular formula and molecular weight of Furo[3,4-c]pyridine-1,3-dione?
Furo[3,4-c]pyridine-1,3-dione has molecular formula C7H3NO3 and molecular weight 149.104 g/mol.
Is Furo[3,4-c]pyridine-1,3-dione hazardous?
Furo[3,4-c]pyridine-1,3-dione has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Furo[3,4-c]pyridine-1,3-dione (CAS 4664-08-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18664-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.