6-Chloro-2,2-dimethyl-8-nitro-2H-benzo[b][1,4]oxazin-3(4H)-one CAS 327026-99-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 327026-99-3 |
| Molecular Formula | C10H9ClN2O4 |
| Molecular Weight | 256.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-2,2-dimethyl-8-nitro-2H-benzo[b][1,4]oxazin-3(4H)-one (CAS 327026-99-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H9ClN2O4. Molecular weight: 256.64 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H9ClN2O4 |
| Molecular Weight | 256.64 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 5-Chloro-4-(2,4-difluorophenyl)-6-methoxypyrimidine (CAS 425407-07-4)
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- 4-Chloro-5-hydroxy-3-(4-methoxyphenoxy)-2(5H)-furanone (CAS 42190-28-3)
- 3-(7-Oxo-5,7-dihydro-6H-pyrrolo[3,4-b]pyridin-6-yl)propanoic acid (CAS 1206969-67-6)
- Thiophen-2(3H)-imine (CAS 82357-68-4)
- 3-(4-Fluorobenzoyl)-4h-1,2,4-triazole (CAS 95727-87-0)
- 2-Fluoro-5-(pyrazin-2-yl)benzoic acid (CAS 1341031-49-9)
- H-Ala-Abu-OH (G-1170.0250) (CAS 39537-33-2)
- 4-(Chloromethyl)-1-(methylsulfonyl)piperidine (CAS 1082943-87-0)
- Neuropeptide W-23 (human) (CAS 383415-79-0)
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