4-Bromo-5-[(4-chloro-2-methylphenoxy)methyl]-1-methyl-2-phenyl-2,3-dihydro-1H-pyrazol-3-one CAS 1020252-11-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1020252-11-2 |
| Molecular Formula | C18H16BrClN2O2 |
| Molecular Weight | 407.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 4-Bromo-5-[(4-chloro-2-methylphenoxy)methyl]-1-methyl-2-phenyl-2,3-dihydro-1H-pyrazol-3-one (CAS 1020252-11-2) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C18H16BrClN2O2. Molecular weight: 407.69 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C18H16BrClN2O2 |
| Molecular Weight | 407.69 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- N-(2-Bromophenyl)-1-[(2-chlorophenyl)methyl]-5-oxopyrrolidine-2-carboxamide (CAS 1008658-26-1)
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- 7a-Hydroxy-4-cholesten-3-one-d7 (CAS CATO-CCHM705760)
- (2R,3R)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-(2-methoxyphenyl)propanoic acid (CAS 1217685-09-0)
- S2I-201 (CAS 501919-59-1)
- 6-Nitro-1-naphthoic acid (CAS 1975-45-7)
- Drostanolone enanthate (CAS 13425-31-5)
- Propofol Impurity 30 (CAS 2215-89-6)
- (3R,4S,5R,6R)-1,3,4,5,6,7-hexahydroxyheptan-2-one (CAS 5349-37-1)
- Semaglutide impurity 259 (CAS CATO-C4X-2226259)
Why CATO?
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