Quinoline-5,6-dione CAS 7467-33-6
| CAS No. | 7467-33-6 |
| Molecular Formula | C9H5NO2 |
| Molecular Weight | 159.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Quinoline-5,6-dione (CAS 7467-33-6), molecular formula C9H5NO2 and molecular weight 159.14 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Quinoline-5,6-dione (C9H5NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 159.14 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Quinoline-5,6-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H5NO2 |
| Molecular Weight | 159.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1959 |
| Nitrogen Atoms | 1 |
Related Quinoline Standards
- Quinoline-1(2H)-carbaldehyde (CAS 61561-70-4)
- 4053-38-7 Quinoline, 8-methyl-, 1-oxide (CAS 4053-38-7)
- Quinoline-2,7-diamine (CAS 114058-72-9)
- Quinoline-2,5-diamine (CAS 1421314-22-8)
- Quinoline-2,4-diamine (CAS 146136-78-9)
- Quinoline-2,3-diamine (CAS 78105-39-2)
- Quinoline-2,8-diamine (CAS 7508-76-1)
- Quinoline-3,4-diamine (CAS 87751-33-5)
Recommended Standards
- Pyrrolidine-2,5-dicarboxylic acid (CAS 72000-65-8)
- Oxiracetam Impurity 1 (CAS 77191-37-8)
- Pyrrolidine-2,4-dicarboxylic acid (CAS 99319-03-6)
- Cefodizime Impurity 10 (CAS 66508-93-8)
- 2-(4-Methoxy-3,5-dimethylphenyl)-4-methylpyrrolidine (CAS 603068-63-9)
- cis-4-(2,5-Dimethylbenzoyl)cyclohexane-1-carboxylic acid (CAS 735270-23-2)
- 1-Ethyl-3-(2-hydroxypropyl)-2,3-dihydro-1h-1,3-benzodiazol-2-one (CAS 1313834-63-7)
- Fenofibrate Impurity N1 (CAS 55270-71-8)
- 1-(6-Fluoro-1H-benzo[d]imidazol-2-yl)ethan-1-one (CAS 177407-11-3)
- 1H-Benzo[d][1,2,3]triazole-4-carbonyl chloride (CAS 342617-11-2)
- 5-Chloro-1-methyl-3-phenyl-1H-pyrazole-4-carbonitrile (CAS 321848-49-1)
- tert-Butyl (3-bromo-2,5-difluorophenyl)carbamate (CAS 1823510-92-4)
- N,N'-(2-oxo-2-phenylethane-1,1-diyl)diacetamide (CAS 40891-23-4)
- Liraglutide(13-31)TFA Salt (CAS CATO-C4X-19929)
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 18665070610 / Nicole.chen@cato-chem.com