4-Chloro-5-phenyl-1H-pyrazole-3-carboxylic acid CAS 1106737-94-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1106737-94-3 |
| Molecular Formula | C10H7ClN2O2 |
| Molecular Weight | 222.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-5-phenyl-1H-pyrazole-3-carboxylic acid (CAS 1106737-94-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H7ClN2O2. Molecular weight: 222.63 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H7ClN2O2 |
| 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 sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 3-(4-Chlorophenyl)pyrimidine-2,4(1H,3H)-dione (CAS 113094-28-3)
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- 1-(3-Chlorophenyl)-1H-imidazole-4-carboxylic acid (CAS 114067-96-8)
- 2-(4-(2,6-Dimethylphenyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)acetonitrile (CAS 860789-16-8)
- (Pyrazine-2-carbonyl)glycine (CAS 57229-37-5)
- (1S,2R)-Ethyl 2-hydroxycyclobutanecarboxylate (CAS 213478-58-1)
- 4-Chloro-2-methoxyquinoline (CAS 4295-05-0)
- 5-Chloro-3-(pyridin-3-yl)-1,2,4-oxadiazole (CAS 1179505-41-9)
- 1,3-Bis((R)-4-ethyl-4,5-dihydrooxazol-2-yl)benzene (CAS 220336-26-5)
- Semaglutide Impurity 1(OtBu-Ste-D-γGlu(OtBu)-AEEA-AEEA-OH) (CAS CATO-C4X-22261)
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