7-Methoxy-6-nitro-2H-benzo[b][1,4]oxazin-3(4H)-one CAS 878160-15-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 878160-15-7 |
| Molecular Formula | C9H8N2O5 |
| Molecular Weight | 224.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Methoxy-6-nitro-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 878160-15-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H8N2O5. Molecular weight: 224.17 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H8N2O5 |
| Molecular Weight | 224.17 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 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.) | 1987 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 5-HydroxyfraxetinDISCONTINUED (CAS 2177290-23-0)
- Ethyl 6-formyl-5-nitronicotinate (CAS 2589531-65-5)
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- 2,3,5-Trifluoroisonicotinic acid 2,3,5-trifluoropyridine-4-carboxylic acid 675602-91-2 (CAS 675602-91-2)
- (2S,4S,5R,6R)-5-acetamido-6-((1R,2R)-3-acetoxy-1,2-dihydroxypropyl)-2,4-dihydroxytetrahydro-2H-pyran-2-carboxylic acid (CAS 55717-54-9)
- Methyl 2-[4-(chlorosulfonyl)phenoxy]acetate (CAS 56077-78-2)
- Sodium 2-(4-(tert-butoxycarbonyl)piperazin-1-yl)-2-(3-(trifluoromethyl)phenyl)acetate (CAS 2251053-10-6)
- 1-(3,5-Dimethylphenyl)-3-phenylpropan-1-one (CAS 898764-33-5)
- 1-(2-Amino-2-oxoethyl)-3-bromopyridin-1-ium iodide (CAS 476613-87-3)
- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
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