1-(2-Chlorophenyl)-3-(4-isobutylphenyl)-1H-pyrazole-5-carboxylic acid CAS 618103-02-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 618103-02-9 |
| Molecular Formula | C20H19ClN2O2 |
| Molecular Weight | 354.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-Chlorophenyl)-3-(4-isobutylphenyl)-1H-pyrazole-5-carboxylic acid (CAS 618103-02-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H19ClN2O2. Molecular weight: 354.83 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H19ClN2O2 |
| Molecular Weight | 354.83 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.) | 1985 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 1-(4-Chlorophenyl)-3-(4-isobutylphenyl)-1H-pyrazole-5-carboxylic acid (CAS 618102-92-4)
- 2-((4-(2-Chlorophenyl)piperazin-1-yl)methyl)-5-phenyl-1,3,4-oxadiazole (CAS 849486-66-4)
- 3-(2-Chlorophenyl)-N-(4-isopropylphenyl)-5-methylisoxazole-4-carboxamide (CAS 349138-97-2)
- 4-((4-Chlorophenyl)sulfonyl)-N-methyl-2-(thiophen-2-yl)oxazol-5-amine (CAS 627834-57-5)
- 4-{[4-(4-chlorophenyl)piperazin-1-yl]methyl}-1,2-dihydrophthalazin-1-one (CAS 220998-78-7)
- 5-(4-Chlorophenyl)-1-(2-isopropylphenyl)-3-methyl-1H-pyrazole-4-carboxylic acid (CAS 956743-50-3)
- N-(4-Chlorophenyl)-4-(1H-indol-4-yl)piperazine-1-carboxamide (CAS 732973-87-4)
- 2-{[4-(4-chlorophenyl)-1,3-thiazol-2-yl]methyl}-2,3-dihydro-1h-isoindole-1,3-dione (CAS 1193389-24-0)
Recommended Standards
- (Z)-N-acetyl-N-(5-(4-chlorobenzylidene)-4-oxo-2-thioxothiazolidin-3-yl)acetamide (CAS 866154-60-1)
- 2-Chloro-3,4-bis(pivaloyloxy)acetophenone (CAS 185448-73-1)
- 1-Benzyl-N-(4-chlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxamide (CAS 338748-85-9)
- 4-(((5,5-Dimethyl-3-oxocyclohex-1-en-1-yl)amino)methyl)benzoic acid (CAS 351163-31-0)
- 5-(Trifluoromethyl)piperidine-3-carboxylic acid (CAS 1638772-08-3)
- 3-(5-Methylthiophen-3-yl)propan-1-ol (CAS 1093173-57-9)
- 1-(3,5-Dimethylcyclohexyl)ethan-1-one (CAS 1341316-69-5)
- 2-Propenoic acid, 2-methyl-, polymer with ethyl 2-propenoate, methyl 2-propenoate and 2-propenoic acid, ammonium salt (CAS 60350-49-4)
- 1,2,3,6-TEtrahydropyridine trifluoromethanesulfonate (CAS 1881331-25-4)
- Des-Ser32-Tirzepatide (CAS CATO-CPTD788942)
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