6-Chloro-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one CAS 337463-99-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 337463-99-7 |
| Molecular Formula | C7H5ClN2O2 |
| Molecular Weight | 184.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Chloro-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one (CAS 337463-99-7) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H5ClN2O2. Molecular weight: 184.58 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H5ClN2O2 |
| Molecular Weight | 184.58 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 DMSO, DMF, methanol |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 7-Chloro-1H-pyrido[2,3-b][1,4]oxazin-2(3H)-one (CAS 105544-33-0)
- 4-Chloro-6-methoxy-1H-pyrazolo[3,4-d]pyrimidine (CAS 1060816-54-7)
- (6-Chloro-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)methanol (CAS 1175301-94-6)
- 4-Chloro-3,7-dihydro-1H-pyrrolo[2,3-b]pyridine-2,6-dione (CAS 1190313-44-0)
- 6-Chloro-4-hydroxy-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1190314-80-7)
- 5-Chloro-1H-pyrrolo[2,3-b]pyridine-2,6(3H,7H)-dione (CAS 1190315-19-5)
- 8-CHLORO-1H-PYRIDO[2,3-B][1,4]OXAZIN-2(3H)-ONE (CAS 1198154-62-9)
- 2-Chloro-5-formylbenzoic acid (CAS 1206625-81-1)
Recommended Standards
- 6-Chloro-1-methyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 5334-35-0)
- 6-Chloro-2-methyl-[1,2,4]triazolo[4,3-b]pyridazin-3(2H)-one (CAS 65866-54-8)
- 6-CHloro-1h-pyrido[2,3-b][1,4]oxazin-2-ol (CAS 2065250-39-5)
- 1-(4-Ethylphenyl)propan-1-amine hydrochloride (CAS 1864056-95-0)
- L-Phenylalanyl-L-phenylalanine Methyl Ester Hydrochloride (CAS 38017-65-1)
- 2-Chloro-N-(pyridin-3-ylmethyl)aniline (CAS 1019624-08-8)
- 1-Butyl-4-formamido-1H-pyrrole-2-carboxylic acid (CAS 107164-58-9)
- 1-(4-Chloro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)piperidine (CAS 2096334-70-0)
- 4,5-dibromo-N-(2,2-diethoxyethyl)-1H-pyrrole-2-carboxamide (CAS 1461713-43-8)
- Semaglutide-d5 (CAS CATO-C4X-2226153)
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