2,3-Dihydro-3-oxo-4H-1,4-benzoxazine-4-acetic acid hydrazide CAS 121565-05-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 121565-05-7 |
| Molecular Formula | C10H11N3O3 |
| Molecular Weight | 221.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
2,3-Dihydro-3-oxo-4H-1,4-benzoxazine-4-acetic acid hydrazide (CAS 121565-05-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H11N3O3. Molecular weight: 221.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H11N3O3 |
| Molecular Weight | 221.21 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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 3 |
Related Dihydro Standards
- 3-(3-Oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)propanoic acid (CAS 1268047-11-5)
- 2-(3-Oxo-3,4-dihydro-2h-1,4-benzoxazin-2-yl)acetohydrazide (CAS 131603-98-0)
- 4-(2-Oxo-2,3-dihydro-1,3-benzoxazol-3-yl)butanoic acid (CAS 13610-66-7)
- 2-(3-Oxo-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)propanoic acid (CAS 26494-42-8)
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Recommended Standards
- Methyl 7-Methoxy-2-methylbenzoxazole-5-carboxylate (CAS 1197944-26-5)
- 2,2-Dimethyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carboxylic acid (CAS 1216146-86-9)
- 3-(3-Oxomorpholin-4-yl)benzoic acid (CAS 1194374-14-5)
- 2-((6-(Pyridin-2-yl)pyridazin-3-yl)oxy)ethan-1-amine (CAS 1283108-37-1)
- 5-(3,4-Dimethoxyphenyl)-4-(3-methoxypropyl)-4H-1,2,4-triazole-3-thiol (CAS 721415-74-3)
- 4,4'-[1,2-Ethenediylbis(4,1-phenyleneiminocarbonyl)]bis(N-butyl-N,N-dimethylbenzenemethanaminium) Dichloride (CAS 1296211-78-3)
- Bisphenol A propoxyacid diglycidyl ether (CAS 106100-55-4)
- Methyl 3,6-difluoro-2-methoxybenzoate (CAS 1261830-33-4)
- 5-[2-Fluoro-4-(trifluoromethyl)benzoyl]-2-[4-(trifluoromethyl)phenyl]pyridine (CAS 900015-46-5)
- Semaglutide Impurity 150 xTFA (CAS CATO-C4X-2226150)
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