5H-Pyrido[3,2-b]azepine-6,9-(7H,8H)-dione CAS 676596-63-7
| CAS No. | 676596-63-7 |
| Molecular Formula | C9H8N2O2 |
| Molecular Weight | 176.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5H-Pyrido[3,2-b]azepine-6,9-(7H,8H)-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.
CATO supplies 5H-Pyrido[3,2-b]azepine-6,9-(7H,8H)-dione (CAS 676596-63-7), a certified reference material (molecular formula C9H8N2O2, MW 176.17 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H8N2O2, 5H-Pyrido[3,2-b]azepine-6,9-(7H,8H)-dione contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 176.17 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H8N2O2 |
| Molecular Weight | 176.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Related H Standards
- Pyrido[3,4-b]pyrazine-8-carboxylic acid (CAS 1023815-46-4)
- Pyrido[2,3-d]pyrimidine-6-carboxylic acid (CAS 1211522-41-6)
- Pyrido[4,3-d]pyrimidine-5-carboxylic acid (CAS 1490792-54-5)
- Pyrido[2,3-b]pyrazine-2-carboxylic acid (CAS 914637-60-8)
- pyrido[2,3-b]pyrazine-6-carboxylic acid (CAS 893723-33-6)
- Pyrido[2,3-b]pyrazine-7-carboxylic acid (CAS 893723-49-4)
- Pyrido[2,3-b]pyrazine-8-carboxylic acid (CAS 893723-38-1)
- Pyrido[2,3-d]pyrimidine-4-carboxylic acid (CAS 2168847-74-1)
Recommended Standards
- 5-Fluoro-2-(methylsulfonyl)pyrimidine (CAS 6090-38-6)
- 5-Hydroxy-1-phenyl-1H-pyrazol-3(2H)-one (CAS 4072-31-5)
- 5-Cyanomethyl-nicotinic acid methyl ester (CAS 878741-69-6)
- 5-Hydroxy-3-methylquinoxalin-2(1H)-one (CAS 30748-91-5)
- 3-((3,3-Difluorocyclopentyl)sulfonyl)aniline (CAS 2600448-34-6)
- 5-Hydroxymaltol (CAS 1073-96-7)
- N-methylthiophene-2-carbimidoyl chloride (CAS 71267-32-8)
- Decylcyclohexane (CAS 1795-16-0)
- 1-(2-(6-Amino-5-methylpyridin-3-yl)piperidin-1-yl)ethanone (CAS 1352507-49-3)
- N-(5-(Trifluoromethyl)-1H-indazol-3-yl)formamide (CAS 60330-41-8)
- Tert-butyl (3R,4S)-3,4-dimethoxypyrrolidine-1-carboxylate (CAS 2368911-31-1)
- 5-Chloro-3-(trifluoromethyl)-1,2,4-oxadiazole (CAS 1393544-15-4)
- N-(2-butoxyethyl)thietan-3-amine (CAS 1862484-59-0)
- Insulin Degludec Impurity 17 (CAS CATO-C4X-215717)
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