Methyl 5-(4-(methylthio)phenyl)-1-(4-(trifluoromethyl)phenyl)-1H-pyrazole-3-carboxylate CAS 641639-55-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 641639-55-6 |
| Molecular Formula | C19H15F3N2O2S |
| Molecular Weight | 392.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Methyl 5-(4-(methylthio)phenyl)-1-(4-(trifluoromethyl)phenyl)-1H-pyrazole-3-carboxylate (CAS 641639-55-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H15F3N2O2S. Molecular weight: 392.39 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H15F3N2O2S |
| Molecular Weight | 392.39 g/mol |
| 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 | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Methyl 1-(3-(thiophen-2-yl)-3-(2,2,2-trifluoroacetamido)propanoyl)piperidine-4-carboxylate (CAS 439107-50-3)
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- ethyl 3-{[2-(aminocarbonyl)-5-(tert-butyl)-3-thienyl]amino}-2-(2,2,2-trifluoroacetyl)acrylate (CAS 648410-12-2)
- Methyl 5-nitrobenzofuran-2-carboxylate (CAS 104862-11-5)
- Ethyl(2-nitrophenyl)sulfane (CAS 3058-46-6)
- rac-(2R,3R)-2-(1-methyl-1H-pyrazol-4-yl)oxolane-3-carbaldehyde (CAS 1969287-60-2)
- 4-Bromo-3-nitrobenzoyl chloride (CAS 335015-51-5)
- 2-[2-(4-ethoxyphenyl)-1,3-thiazol-4-yl]acetic acid (CAS 927973-30-6)
- 4,6-Difluoro-N-(pyridin-2-ylmethyl)-1,3-benzothiazol-2-amine (CAS 1105191-11-4)
- Tirzepatide Impurity 22 X TFA Salt (CAS CATO-C4X-324022)
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