4-((2-Chlorophenyl)diazenyl)-1,2-dihydro-3H-pyrazol-3-one CAS 1220111-65-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1220111-65-8 |
| Molecular Formula | C9H7ClN4O |
| Molecular Weight | 222.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((2-Chlorophenyl)diazenyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 1220111-65-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C9H7ClN4O. Molecular weight: 222.63 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H7ClN4O |
| Molecular Weight | 222.63 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related Chlorophenyl Standards
- 5-(3-Chlorophenyl)-1h-pyrazole-4-carboxylic acid (CAS 1007541-81-2)
- 5-(2-Chlorophenyl)-1h-pyrazole-4-carboxylic acid (CAS 1007541-84-5)
- 1-(4-Chlorophenyl)pyrimidine-2,4(1H,3H)-dione (CAS 101080-71-1)
- 1-(3-Chlorophenyl)-1H-pyrazole-4-carboxylic acid (CAS 1053085-34-9)
- 6-(2-Chlorophenyl)pyrimidine-2,4(1H,3H)-dione (CAS 106658-35-9)
- 3-(4-Chlorophenyl)pyrimidine-2,4(1H,3H)-dione (CAS 113094-28-3)
- 1-(3-Chlorophenyl)-1H-imidazole-4-carboxylic acid (CAS 114067-96-8)
- 1-(2-chlorophenyl)-1H-pyrazole-3-carboxylic acid (CAS 1152533-76-0)
Recommended Standards
- Methyl 2-chloroquinazoline-8-carboxylate (CAS 1217269-81-2)
- Methyl 2-Chloroquinazoline-5-carboxylate (CAS 1221288-22-7)
- 5-Chloro-2-phenyl-2H-pyrazole-3-carboxylic acid (CAS 1216909-62-4)
- 4-Chloro-2,3-dihydroxybenzoic acid (CAS 27864-01-3)
- 5-Bromo-3'-(4-chlorophenyl)spiro[indoline-3,2'-thiazolidine]-2,4'-dione (CAS 150054-94-7)
- (2S)-2-((tert-Butoxycarbonyl)amino)-3-(6-fluoro-2,3-dimethylphenyl)butanoic acid (CAS 2831371-72-1)
- (9Z,12Z)-Octadeca-9,12-dienal (CAS 2541-61-9)
- 4,4'-(32,35,52,55,72,75,92,95-Octamethoxy-1,3,5,7,9(1,4)-pentabenzenacyclodecaphane-12,15-diyl)dibenzaldehyde (CAS 2414973-65-0)
- Ethyl 6-bromo-[2,2'-bipyridine]-4-carboxylate (CAS 294211-88-4)
- Semaglutide impurity 248 (CAS CATO-C4X-2226248)
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