6,7-Dimethoxy-2-(3-nitrophenyl)-4H-benzo[d][1,3]oxazin-4-one CAS 331461-74-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 331461-74-6 |
| Molecular Formula | C16H12N2O6 |
| Molecular Weight | 328.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,7-Dimethoxy-2-(3-nitrophenyl)-4H-benzo[d][1,3]oxazin-4-one (CAS 331461-74-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H12N2O6. Molecular weight: 328.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H12N2O6 |
| Molecular Weight | 328.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 5-Bromo-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazolo[3,4-c]pyridine (CAS 2201100-19-6)
- 6-Bromo-3-((2-(trimethylsilyl)ethoxy)methyl)-3H-imidazo[4,5-b]pyridine (CAS 246223-97-2)
- 2-Amino-4,6-dimethyl-3-oxo-3H-phenoxazine-1,9-dicarboxylic acid (CAS 524-11-8)
- Ethyl (2-(prop-1-yn-1-yl)pyridin-3-yl)carbamate (CAS 1383924-63-7)
- 2-[(3-Methoxypropyl)amino]nicotinic acid (CAS 1152596-93-4)
- 3-Amino-n-(5-bromopyridin-2-yl)benzamide (CAS 1039972-12-7)
- Digalactosyl Diglyceride (CAS 92457-02-8)
- 1-(4-Biphenylyl)cyclopropanamine (CAS 1266177-68-7)
- (2-Hydroxy-5-isopropylphenyl)boronic acid (CAS 259209-33-1)
- Semaglutide Impurity 155 (x TFA Salt) (CAS CATO-C4X-2226155)
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