1-Benzyl-4-(5-chloro-2-nitrobenzoyl)piperazine CAS 478249-18-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478249-18-2 |
| Molecular Formula | C18H18ClN3O3 |
| Molecular Weight | 359.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Benzyl-4-(5-chloro-2-nitrobenzoyl)piperazine (CAS 478249-18-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H18ClN3O3. Molecular weight: 359.81 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H18ClN3O3 |
| Molecular Weight | 359.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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- 1-{[6-Chloro-2-(furan-2-yl)imidazo[1,2-a]pyridin-3-yl]methyl}piperidine-4-carboxylic acid (CAS 904818-06-0)
- 5-((2-Chloro-6-fluorobenzyl)thio)imidazo[1,2-c]quinazolin-2(3H)-one (CAS 478046-17-2)
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Recommended Standards
- 2-([1,1'-Biphenyl]-4-yl)-6-chloroquinoline-4-carboxylic acid (CAS 627907-09-9)
- 1-(4-Nitrophenyl)piperidin-4-one O-(4-chlorobenzyl) oxime (CAS 338757-93-0)
- 2-(4-Chlorobenzyl)-4-(2,4-dimethoxyphenyl)-5-methyl-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 861206-39-5)
- 1-(3,5-Dimethoxyphenyl)-4-methoxy-6-oxo-1,6-dihydropyridazine-3-carboxylic acid (CAS 1616500-54-9)
- 1,3-Dibromo-5,7-bis(trifluoromethyl)adamantane (CAS 71759-72-3)
- 1-Methyl-1H-benzo[d]imidazol-7-ol (CAS 163298-76-8)
- 2-Chloro-5-isopropylpyrazine (CAS 1196147-05-3)
- 2,3-Dichloro-5-(difluoromethoxy)benzenesulfonyl chloride (CAS 1804936-65-9)
- Propan-2-amine hydrobromide (CAS 29552-58-7)
- Semaglutide Impurity 128 (CAS 2490269-78-6)
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