1-(2,4-Dichlorophenyl)-5-isopropyl-1H-pyrazole-3-carboxylic acid CAS 126068-31-3
| CAS No. | 126068-31-3 |
| Molecular Formula | C13H12Cl2N2O2 |
| Molecular Weight | 299.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H12Cl2N2O2, 1-(2,4-Dichlorophenyl)-5-isopropyl-1H-pyrazole-3-carboxylic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 299.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-(2,4-Dichlorophenyl)-5-isopropyl-1H-pyrazole-3-carboxylic acid (CAS 126068-31-3), molecular formula C13H12Cl2N2O2 and molecular weight 299.15 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 1-(2,4-Dichlorophenyl)-5-isopropyl-1H-pyrazole-3-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C13H12Cl2N2O2 |
| Molecular Weight | 299.15 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 1993 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichlorophenyl Standards
- Ethyl 1-(2,4-dichlorophenyl)-5-methyl-1H-pyrazole-3-carboxylate (CAS 126067-40-1)
- Ethyl 5-(3,5-dichlorophenyl)-1-methyl-1H-pyrazole-3-carboxylate (CAS 1565827-84-0)
- (E)-[(2,4-Dichlorophenyl)methoxy][1-(5-methyl-1,2-oxazol-4-yl)ethylidene]amine (CAS 400084-51-7)
- [1-(3,4-dichlorophenyl)-3,5-dimethyl-1H-pyrazol-4-yl]acetic acid (CAS 926269-51-4)
- 1-(3,5-Dichlorophenyl)-5-propyl-1H-pyrazole-4-carboxylic acid (CAS 306936-60-7)
- 2-(3,4-Dichlorophenyl)tetrahydroimidazo[1,5-a]pyridine-1,3(2H,5H)-dione (CAS 60725-74-8)
- 2-[1-(2,4-dichlorophenyl)-3,5-dimethyl-1h-pyrazol-4-yl]acetic acid (CAS 926251-37-8)
- 2-[2-(2,4-Dichlorophenyl)-2-oxoethyl]cyclohexane-1,3-dione (CAS 339105-96-3)
Recommended Standards
- Ethyl 1-(3,4-dichlorobenzyl)-1H-imidazole-4-carboxylate (CAS 1260810-25-0)
- 4-Chloro-2-(2-chloro-6-fluorophenyl)-thiazolo[5,4-c]pyridine (CAS 1242249-93-9)
- 6-(2-Amino-5-bromophenyl)-3-thioxo-3,4-dihydro-1,2,4-triazin-5(2H)-one (CAS 129951-97-9)
- N-(5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidin-2-yl)methanesulfonamide (CAS 1218789-36-6)
- 2-Fluoro-2-(o-tolyl)acetic acid (CAS 915071-00-0)
- 3-phenyl-1-{4-[3-(trifluoromethyl)pyridin-2-yl]piperazino}prop-2-en-1-one (CAS 260367-88-2)
- 2-(2-Aminoethylamino)-5-nitropyridine N1-(5-Nitro-2-pyridinyl)-1,2-ethanediamine (2-Aminoethyl)(5-nitro-2-pyridyl)amine (2-((5-Nitropyridin-2-yl)amino)ethyl)amine N-(5-Nitropyridin-2-yl)ethane-1,2-diamine 29602-39-9 (CAS 29602-39-9)
- 1-Bromo-4-butoxy-2,3-dichlorobenzene (CAS 1881293-74-8)
- 5-(P-tolyl)pyridin-3-amine (CAS 1226158-35-5)
- 3-(2-Fluoro-4-methylphenyl)piperidine (CAS 1044768-82-2)
- 78957-07-0 CROTONIC ANHYDRIDE (CAS 78957-07-0)
- tert-butyl allyl(3,5-dinitrobenzyl)carbamate (CAS 2009210-29-9)
- 2(1H)-Pyridinone, 5-bromo-1-methyl-3-[[5-(4-methyl-1-piperazinyl)-2-pyridinyl]amino]- (CAS 1178884-45-1)
- Semaglutide Impurity 177 (CAS CATO-C4X-2226177)
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