3-(2,4-Dichlorophenyl)-1-methyl-1H-pyrazole-5-carboxylic acid CAS 133113-04-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 133113-04-9 |
| Molecular Formula | C11H8Cl2N2O2 |
| Molecular Weight | 271.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(2,4-Dichlorophenyl)-1-methyl-1H-pyrazole-5-carboxylic acid (CAS 133113-04-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H8Cl2N2O2. Molecular weight: 271.10 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H8Cl2N2O2 |
| Molecular Weight | 271.10 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.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichlorophenyl Standards
- 1-(3,4-Dichlorophenyl)-5-methyl-1h-pyrazole-3-carboxylic acid (CAS 1020724-32-6)
- 1-[(3,4-dichlorophenyl)methyl]-1h-pyrazole-4-carboxylic acid (CAS 1035224-56-6)
- 5-(3,4-Dichlorophenyl)-1h-pyrazole-3-carbohydrazide (CAS 1046160-16-0)
- 2-(2,4-Dichlorophenyl)-N-(4h-1,2,4-triazol-3-yl)acetamide (CAS 1050774-60-1)
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- 2-(4-(3,4-Dichlorophenyl)-1H-pyrazol-1-yl)acetic acid (CAS 1267250-16-7)
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Recommended Standards
- Ethyl 2,4-dichloro-1,5-naphthyridine-3-carboxylate (CAS 1312605-84-7)
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- 1-(3,4-Dichlorobenzyl)-1H-imidazole-4-carboxylic acid (CAS 1369066-17-0)
- Butyldimethyl(2,3,4,5-tetrafluorophenyl)silane (CAS 17167-01-0)
- 2-[(2,4-dimethylphenyl)sulfanyl]-2-phenylacetic acid (CAS 18626-51-2)
- 6-[2-(2,6-dioxo-3-piperidyl)-1-oxo-isoindolin-4-yl]hexanoic acid (CAS 2379870-48-9)
- N1-(5-(4-Fluorophenyl)thieno[2,3-d]pyrimidin-4-yl)-N3,N3-dimethylpropane-1,3-diamine (CAS 433696-94-7)
- 2-(2-Amino-6-methylpyrimidin-4-yl)hydrazinecarboximidamide (CAS 31414-53-6)
- α-(Aminomethyl)-p-anisyl Alcohol (CAS 55275-61-1)
- D-Pro36-Tirzepatide (CAS CATO-CPTD788903)
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