(E)-({5-[(4-chlorophenyl)sulfanyl]-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl}methylidene)amino 4-methylbenzoate CAS 321553-44-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321553-44-0 |
| Molecular Formula | C20H15ClF3N3O2S |
| Molecular Weight | 453.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-({5-[(4-chlorophenyl)sulfanyl]-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl}methylidene)amino 4-methylbenzoate (CAS 321553-44-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H15ClF3N3O2S. Molecular weight: 453.87 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H15ClF3N3O2S |
| Molecular Weight | 453.87 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related E Standards
- (E)-[(5-{[(2-chlorophenyl)methyl]sulfanyl}-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methylidene]amino benzoate (CAS 321553-55-3)
- (E)-[(5-{[(4-chlorophenyl)methyl]sulfanyl}-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methylidene]amino benzoate (CAS 321553-48-4)
- N-[(2-Chlorophenyl)methyl]-2-{[3-cyano-6-methyl-4-(trifluoromethyl)-5,6,7,8-tetrahydroquinolin-2-yl]sulfanyl}acetamide (CAS 626228-72-6)
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- (Z)-2-((4-chlorophenyl)thio)-1-(2,7-dimethylimidazo[1,2-a]pyridin-3-yl)ethan-1-one O-(4-fluorobenzyl) oxime (CAS 478047-79-9)
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Recommended Standards
- Indium(III) trifluoroacetate (CAS 36554-90-2)
- 8-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-3-oxo-N-phenyl-1,2,8-triazaspiro[4.5]Decane-1-carboxamide (CAS 400076-23-5)
- 4-{[(4-bromophenyl)sulfanyl]methyl}-5-chloro-1-methyl-3-{[(4-methylphenyl)sulfanyl]methyl}-1H-pyrazole (CAS 318248-64-5)
- 6-chloro-5-fluoro-2-iodo-pyridin-3-ol (CAS 875548-57-5)
- 3-Methyl-4-(pyridin-3-yl)aniline (CAS 1178779-14-0)
- 4,4-Dimethyl-3-(thietan-3-ylamino)pentan-1-ol (CAS 1864672-51-4)
- 4-Chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrimidine (CAS 1264138-50-2)
- 2-(Adamantan-1-yl)phenol (CAS 38614-06-1)
- 2-((4-Amino-6-methyl-5-oxo-4,5-dihydro-1,2,4-triazin-3-yl)thio)-N-(thiazol-2-yl)acetamide (CAS 869067-88-9)
- Semaglutide Impurity 8 (CAS CATO-C4X-22268)
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