N'-[(1E)-(3-Bromophenyl)methylidene]-4-[(3,4-dichlorophenyl)methoxy]benzohydrazide CAS 303987-28-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303987-28-2 |
| Molecular Formula | C21H15BrCl2N2O2 |
| Molecular Weight | 478.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies N'-[(1E)-(3-Bromophenyl)methylidene]-4-[(3,4-dichlorophenyl)methoxy]benzohydrazide (CAS 303987-28-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C21H15BrCl2N2O2. Molecular weight: 478.17 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C21H15BrCl2N2O2 |
| Molecular Weight | 478.17 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- (3E)-N'-[2-(2,4-Dichlorophenoxy)ethanimidoyl]-3-{[(2,4-dichlorophenyl)methoxy]imino}propanehydrazide (CAS 400080-19-5)
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- 3-(Perfluorooctyl)propan-1-ol (CAS 1651-41-8)
- 3-Bromo-2,2-dimethylbutyrophenone (CAS 898765-34-9)
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- (S)-4-(2,7-dichloropyrido[2,3-d]pyrimidin-4-yl)-3-methylmorpholine (CAS 1009303-42-7)
- 4-Hydrazino-1-methylquinolin-2(1H)-one (CAS 192633-21-9)
- 2-((5-(2-Hydroxyphenyl)-1,3,4-oxadiazol-2-yl)thio)-N-(4-nitrophenyl)acetamide (CAS 332126-52-0)
- (Tyr?)-C-Type Natriuretic Peptide (32-53) (human, porcine, rat) (CAS 142878-79-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com