9-Bromo-2-(4-methoxyphenyl)-1'-propyl-1,10b-dihydrospiro[benzo[e]pyrazolo[1,5-c][1,3]oxazine-5,4'-piperidine] CAS 303095-33-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303095-33-2 |
| Molecular Formula | C24H28BrN3O2 |
| Molecular Weight | 470.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
9-Bromo-2-(4-methoxyphenyl)-1'-propyl-1,10b-dihydrospiro[benzo[e]pyrazolo[1,5-c][1,3]oxazine-5,4'-piperidine] (CAS 303095-33-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C24H28BrN3O2. Molecular weight: 470.40 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C24H28BrN3O2 |
| Molecular Weight | 470.40 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 2,2'-(2-Methyl-1,4-phenylene)bis(1,3-dioxoisoindoline-5-carboxylic acid) (CAS 114731-67-8)
- N-Nitroso Folic acid EP Impurity C (CAS 29291-35-8)
- Propargyl-PEG5-PFP ester (CAS 2148295-92-3)
- 2-(1-Methyl-1H-pyrazol-4-yl)tetrahydrofuran-2-carboxylic acid (CAS 2137870-47-2)
- H-Glu-OBzl (CAS 13030-09-6)
- 1-(2-Methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-4-yl)piperidin-4-amine (CAS 1707394-51-1)
- 5-Bromo-2-(6-fluoropyridin-3-yl)pyrimidine (CAS 2306272-22-8)
- 6-Isopropylnicotinimidamide (CAS 1256801-81-6)
- tert-Butyl (3aS,5S,7aR)-5-hydroxyoctahydro-2H-isoindole-2-carboxylate (CAS 1932202-52-2)
- Insulin Degludec Impurity 7 (CAS CATO-C4X-21577)
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