2-(3-Chlorophenyl)-5-methyl-4-phenyl-1,2-dihydro-3H-pyrazol-3-one CAS 477853-31-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 477853-31-9 |
| Molecular Formula | C16H13ClN2O |
| Molecular Weight | 284.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3-Chlorophenyl)-5-methyl-4-phenyl-1,2-dihydro-3H-pyrazol-3-one (CAS 477853-31-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H13ClN2O. Molecular weight: 284.74 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H13ClN2O |
| Molecular Weight | 284.74 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 tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| 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 | 2 |
Related Chlorophenyl Standards
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- 1-(4-Chlorophenyl)-3-p-tolyl-1H-pyrazol-4-ol (CAS 1202029-14-8)
- 3-(4-Chlorophenyl)-5-(3-methoxyphenyl)-1H-pyrazole (CAS 1204141-87-6)
- 4-N-[(4-chlorophenyl)methyl]quinazoline-2,4-diamine (CAS 1509890-90-7)
- (1-(2-Chlorophenyl)-3-phenyl-1H-pyrazol-4-yl)methanol (CAS 618441-92-2)
- (1-(3-Chlorophenyl)-3-phenyl-1H-pyrazol-4-yl)methanol (CAS 618441-66-0)
- (1-(4-Chlorophenyl)-3-phenyl-1H-pyrazol-4-yl)methanol (CAS 36640-62-7)
- (2E)-2-(4-Chlorophenyl)-3-[(2-methoxyphenyl)amino]prop-2-enenitrile (CAS 338402-81-6)
Recommended Standards
- 2-(3-Bromophenyl)-5,7-dimethylpyrazolo[1,5-a]pyrimidine (CAS 6077-23-2)
- 2-(4-Chlorobenzyl)-4-methoxyquinazoline (CAS 861208-36-8)
- 2-(4-Chloro-Benzyl)-malonic acid diethyl ester (CAS 37556-13-1)
- 1-(1-Isopropyl-1H-pyrazol-3-yl)-N-(thiophen-2-ylmethyl)methanamine hydrochloride (CAS 1856056-40-0)
- 2,4-Dibromonicotinonitrile (CAS 1152617-14-5)
- 6-Amino-9-(2',3'-dideoxy-2'-fluoro-b-D-arabinofuranosyl)purine (CAS 110143-10-7)
- 1-((1-Cyanocyclohexyl)amino)-1-oxopropan-2-yl 4-(5-chlorothiophen-2-yl)-4-oxobutanoate (CAS 875458-91-6)
- 2-Thiaspiro[3.5]Nonan-7-amine (CAS 2060008-35-5)
- 2-bromo-6-(1H-pyrazol-3-yl)pyridine (CAS 474707-68-1)
- Tirzepatide Impurity 26 X TFA Salt (CAS CATO-C4X-324026)
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