4-Acetyl-3,4-dihydro-2h-1,4-benzoxazine-2-carboxylic acid CAS 92288-75-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 92288-75-0 |
| Molecular Formula | C11H11NO4 |
| Molecular Weight | 221.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Acetyl-3,4-dihydro-2h-1,4-benzoxazine-2-carboxylic acid (CAS 92288-75-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H11NO4. Molecular weight: 221.21 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H11NO4 |
| Molecular Weight | 221.21 g/mol |
| Appearance | Off-white to pale 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Nitrogen Atoms | 1 |
Related Acetyl Standards
- 2,3-Dihydro-3-oxo-4H-1,4-benzoxazine-4-acetic acid hydrazide (CAS 121565-05-7)
- 3-(3-Oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)propanoic acid (CAS 1268047-11-5)
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- 4-(2-Oxo-2,3-dihydro-1,3-benzoxazol-3-yl)butanoic acid (CAS 13610-66-7)
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Recommended Standards
- 4,7-Dimethoxy-1h-indole-2-carboxylic acid (CAS 31271-83-7)
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- 4-(Benzo[c][1,2,5]oxadiazol-4-ylamino)butanoic acid (CAS 89160-46-3)
- (R)-Propranolol β-D-glucuronide sodium salt (CAS 87102-70-3)
- (3-Aminobenzofuran-2-yl)(4-hydroxyphenyl)methanone (CAS 301538-52-3)
- 2-(Aminomethyl)-1-(thiophen-2-yl)pentan-1-ol (CAS 1521361-47-6)
- Ethyl 3-Amino-3-thioxopropanoate (CAS 13621-50-6)
- 3,5-Difluorobenzoic-d3 Acid (CAS 934397-71-4)
- 3-methyl-5-phenoxy-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 30241-46-4)
- Tau Peptide (295-309) trifluoroacetate salt (CAS 330456-46-7)
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