1-(4-Chlorophenyl)-3-(5-Isopropyl-1-Methyl-3-Oxo-2-Phenyl-2,3-Dihydro-1H-Pyrazol-4-Yl)Urea CAS 903895-98-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 903895-98-7 |
| Molecular Formula | C20H21ClN4O2 |
| Molecular Weight | 384.86 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 1-(4-Chlorophenyl)-3-(5-Isopropyl-1-Methyl-3-Oxo-2-Phenyl-2,3-Dihydro-1H-Pyrazol-4-Yl)Urea (CAS 903895-98-7) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C20H21ClN4O2. Molecular weight: 384.86 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C20H21ClN4O2 |
| Molecular Weight | 384.86 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chlorophenyl Standards
- [(3Z)-1-[(4-Chlorophenyl)methyl]-5-methyl-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino pentanoate (CAS 320420-87-9)
- N-(4-Chlorophenyl)-4-hydroxy-2-oxo-1-pentyl-1,2-dihydroquinoline-3-carboxamide (CAS 303093-25-6)
- 1-((2-(4-Chlorophenyl)-2-Methylpropoxy)Methyl)-3-(2-Fluorophenoxy)Benzene (CAS 80843-66-9)
- 1-((2-(4-Chlorophenyl)-2-Methylpropoxy)Methyl)-3-(4-Fluorophenoxy)Benzene (CAS 80843-60-3)
- 6-(4-Chlorophenyl)-1-[(4-fluorophenyl)methyl]-4-(methylsulfanyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 478042-87-4)
- (E)-3-(3-chlorophenyl)-N-(2-((1,1-dioxidotetrahydro-2H-thiopyran-4-yl)(methyl)amino)-2-oxoethyl)acrylamide (CAS 1550008-55-3)
- (E)-{1-[2-(4-chlorophenyl)-4-methyl-1,3-thiazol-5-yl]ethylidene}amino 4-methylbenzoate (CAS 477872-47-2)
- {2-[(4-chlorophenyl)sulfanyl]pyridin-3-yl}methyl N-(2-methylphenyl)carbamate (CAS 338413-64-2)
Recommended Standards
- 2-[2-(5-Chloro-3-methyl-1-phenyl-1H-pyrazol-4-yl)-ethyl]-6-methoxy-benzoic acid methyl ester (CAS 776286-11-4)
- (Z)-3-(((3-chloro-2,2-dimethylpropanoyl)oxy)imino)-1-(4-methylbenzyl)indolin-2-one (CAS 303149-56-6)
- 4-Piperidinecarboxamide, 4-amino-n-[(3-chlorophenyl)methyl]-1-(7h-pyrrolo[2,3-d]pyrimidin-4-yl)- (CAS 885500-13-0)
- Benzoic acid, 4-[[(phenylmethoxy)amino]methyl]-, methyl ester (CAS 1493447-94-1)
- Bicyclo[2.2.2]octane-1,4-diamine dihydrochloride (CAS 2277-93-2)
- 4-Fluoropiperidine-4-carboxylic acid (CAS 1187087-08-6)
- N-(4-Chlorophenyl)-2-((4-ethyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 577764-94-4)
- 2,4-Dihydroxybenzophenone-d5 (CAS 91586-06-0)
- tert-Butyl 1-carbamoyl-3,8-diazabicyclo[3.2.1]octane-8-carboxylate (CAS 2621933-50-2)
- Semaglutide Impurity 187 (CAS CATO-C4X-2226187)
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