Furo[3,4-c]quinoline-1,3-dione CAS 4945-20-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 4945-20-4 |
| Molecular Formula | C11H5NO3 |
| Molecular Weight | 199.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Furo[3,4-c]quinoline-1,3-dione (CAS 4945-20-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H5NO3. Molecular weight: 199.16 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H5NO3 |
| Molecular Weight | 199.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Furo Standards
- Furo[3,4-b]quinoline-1,3-dione (CAS 4945-42-0)
- 1-(4H-Furo[3,2-b]indol-2-yl)ethanone (CAS 62144-26-7)
- ethyl furo[3,2-b]pyridine-2-carboxylate (CAS 138173-82-7)
- Furo[3,4-b]quinoxaline-1,3-dione (CAS 5660-34-4)
- Furo[3,4-f]quinazoline-7,9-dione (CAS 31611-50-4)
- ethyl furo[3,2-b]pyridine-6-carboxylate (CAS 122535-03-9)
- ethyl furo[2,3-c]pyridine-2-carboxylate (CAS 138173-83-8)
- Ethyl furo[3,2-c]pyridine-2-carboxylate (CAS 138173-84-9)
Recommended Standards
- Isopropyl 5-nitrofuran-2-carboxylate (CAS 20001-37-0)
- Ethyl 5-methyl-4-nitro-1H-pyrazole-3-carboxylate (CAS 28668-07-7)
- Methyl (2-(furan-2-yl)-1-hydroxy-2-oxoethyl)carbamate (CAS 324568-58-3)
- 4-Chloro-N-[(4E)-2-oxo-3-phenyl-1,2,3,4-tetrahydroquinazolin-4-ylidene]benzene-1-sulfonamide (CAS 478044-04-1)
- tert-Butyl 3,3-difluoro-4-oxopiperidine-1-carboxylate (CAS 1215071-17-2)
- 2-Methoxy-5-sulfamoylbenzoic Acid-d (CAS 123958-85-0)
- Nicardipine Hydrochloride EP Impurity C (CAS 21881-77-6)
- (S)-1-Acetylpyrrolidin-2-yl acetate (CAS 221911-75-7)
- 2-(4-Cyanophenyl)-1H-indole-6-carbonitrile (CAS 28719-00-8)
- Thymopoietin II Peptide Fragment (CAS 56795-64-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com