7,9-Dichloro-2-(4-methoxyphenyl)-5-(pyridin-4-yl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine CAS 303059-72-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303059-72-5 |
| Molecular Formula | C22H17Cl2N3O2 |
| Molecular Weight | 426.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7,9-Dichloro-2-(4-methoxyphenyl)-5-(pyridin-4-yl)-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 303059-72-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H17Cl2N3O2. Molecular weight: 426.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H17Cl2N3O2 |
| Molecular Weight | 426.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloro Standards
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Recommended Standards
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- [3-Amino-4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methanol (CAS 2377611-36-2)
- 2,2,2-Trifluoro-1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-3,6-dihydro-2H-pyridin-1-yl]ethanone (CAS 878805-74-4)
- 4-Methoxy-2-(trifluoromethyl)benzonitrile (CAS 875664-48-5)
- 4-benzyl-3-phenylpiperazin-2-one (CAS 5368-23-0)
- 4-(4-Bromophenyl)-1,1-dimethylcyclohexane (CAS 1809161-62-3)
- 1,2-Dihydro-2-methyl-1-oxoisoquinoline-8-carbonitrile (CAS 1374651-57-6)
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