1-(3-Nitrophenyl)-3-(5-phenyl-1-(2,4,6-trichlorophenyl)-1H-pyrazol-4-yl)urea CAS 955976-55-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 955976-55-3 |
| Molecular Formula | C22H14Cl3N5O3 |
| Molecular Weight | 502.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(3-Nitrophenyl)-3-(5-phenyl-1-(2,4,6-trichlorophenyl)-1H-pyrazol-4-yl)urea (CAS 955976-55-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C22H14Cl3N5O3. Molecular weight: 502.74 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C22H14Cl3N5O3 |
| Molecular Weight | 502.74 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
Related Nitrophenyl Standards
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- 5-(3-Nitrophenyl)furan-2-carboxylicacid[2-(4-bromophenyl)benzooxazol-5-yl]amide (CAS 309292-41-9)
- 4-Nitrophenyl 2-acetamido-2-deoxy-3-O-(a-D-galactopyranosyl)-a-D-galactopyranoside (CAS 1144040-14-1)
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Recommended Standards
- N'-Cyclooctylidene-4-methylbenzenesulfonohydrazide (CAS 2567-85-3)
- 9,10-Bis(triethoxysilyl)anthracene (CAS 132877-71-5)
- N1,N6-di(9H-fluoren-9-yl)-N1,N1,N6,N6-tetramethylhexane-1,6-diaminium (CAS 4844-10-4)
- 7,7-Dimethyl-5-oxo-4-(thiophen-2-yl)-1,4,5,6,7,8-hexahydroquinoline-2-carboxylic acid (CAS 1374509-29-1)
- 2-(2-Ethyl-1-piperidinyl)isonicotinic acid (CAS 1094711-00-8)
- 1-(Difluoromethyl)-3-methyl-1h-pyrazole (CAS 956628-23-2)
- 8-(Trifluoromethyl)-9H-purine-6-thiol (CAS 85562-56-7)
- 5-Iodo-2,3,4-trimethylpyridine (CAS 2140305-94-6)
- 2-(2-Bromo-5-fluorophenyl)ethanol (CAS 866029-28-9)
- Tripeptide-10 citrulline (CAS 960531-53-7)
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