2,4-Dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-7-carboxylic acid CAS 77423-14-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 77423-14-4 |
| Molecular Formula | C9H5NO5 |
| Molecular Weight | 207.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,4-Dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-7-carboxylic acid (CAS 77423-14-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C9H5NO5. Molecular weight: 207.14 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C9H5NO5 |
| Molecular Weight | 207.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 1 |
Related Dioxo Standards
- 2-(5,7-Dioxo-5,7-dihydro-6H-pyrrolo[3,4-b]pyrazin-6-yl)acetic acid (CAS 126310-26-7)
- 2,4-Dioxo-1,4-dihydro-2H-benzo[d][1,3]oxazine-8-carboxylic acid (CAS 167902-99-0)
- 2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-6-carboxylic acid (CAS 343347-07-9)
- 2,4-Dioxo-2,4-dihydro-1H-benzo[d][1,3]oxazine-6-carboxylic acid (CAS 77423-13-3)
- 2,5-Dioxo-1,2,5,6,7,8-hexahydroquinoline-3-carboxylic acid (CAS 106551-76-2)
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Recommended Standards
- 2-Azidoterephthalic acid (CAS 3600-74-6)
- 2-Hydroxy-3-nitro-4H-pyrido[1,2-a]pyrimidin-4-one (CAS 56517-41-0)
- [1,3]Dioxolo[4',5':4,5]benzo[1,2-d]oxazole-6-carboxylic acid (CAS 933742-39-3)
- 2-Nitro-N-(piperidin-4-ylmethyl)aniline hydrochloride (CAS 1286264-78-5)
- 4-Chloro-N-hydroxybenzamide (CAS 1613-88-3)
- 2-Benzamido-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide (CAS 19819-17-1)
- 5-Bromo-4-methoxy-thiophene-3-carbonyl chloride (CAS 162848-22-8)
- 6-Amino-3-bromomethyl-2-(trifluoromethyl)pyridine (CAS 1227595-28-9)
- N-(1H-pyrazol-4-ylmethyl)acetamide (CAS 1184541-34-1)
- Semaglutide impurity 107 (CAS CATO-C4X-2226107)
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