[1-Methyl-5-(4-methylbenzenesulfonyl)-3-phenyl-1H-pyrazol-4-yl]methyl 3-chlorobenzoate CAS 318247-62-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318247-62-0 |
| Molecular Formula | C25H21ClN2O4S |
| Molecular Weight | 480.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
[1-Methyl-5-(4-methylbenzenesulfonyl)-3-phenyl-1H-pyrazol-4-yl]methyl 3-chlorobenzoate (CAS 318247-62-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H21ClN2O4S. Molecular weight: 480.96 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C25H21ClN2O4S |
| Molecular Weight | 480.96 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- (2Z)-2-(4-Methylbenzenesulfonyl)-3-[3-(naphthalen-2-yl)-1-phenyl-1H-pyrazol-4-yl]prop-2-enenitrile (CAS 957042-53-4)
- 5-(4-Methylbenzenesulfonyl)-2-phenyl-4-{[3-(trifluoromethyl)phenyl]sulfanyl}pyrimidine (CAS 478247-28-8)
- [2-(2-{[1-(4-methylbenzenesulfonyl)-1H-indol-4-yl]oxy}ethoxy)ethyl][2-(morpholin-4-yl)ethyl]amine (CAS 860785-84-8)
- 5-{[2-(2-{[1-(4-methylbenzenesulfonyl)-1H-indol-4-yl]oxy}ethoxy)ethyl]sulfanyl}-1,3,4-thiadiazol-2-amine (CAS 478040-20-9)
- 4,6-Bis(4-methylbenzenesulfonyl)-2-phenylpyrimidine (CAS 339105-57-6)
- 3-[1-(4-methylbenzenesulfonyl)-3-(trifluoromethyl)-1h-pyrazol-4-yl]propyl 4-methylbenzene-1-sulfonate (CAS 1019069-06-7)
- 2-(4-Methylbenzenesulfonyl)-N-({[4-(trifluoromethoxy)phenyl]carbamothioyl}amino)acetamide (CAS 1022404-03-0)
- 4-Methyl-3-(3-methylbenzenesulfonyl)-1-[(4-methylphenyl)methyl]-6-phenyl-1,2-dihydropyridin-2-one (CAS 321431-52-1)
Recommended Standards
- (1-Methyl-3-phenyl-5-tosyl-1H-pyrazol-4-yl)methyl 4-chlorobenzoate (CAS 318247-42-6)
- 3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-5-[(E)-2-{[4-(propan-2-yl)phenyl]amino}ethenyl]-1,2-thiazole-4-carbonitrile (CAS 338413-02-8)
- (1-Methyl-3-phenyl-5-tosyl-1H-pyrazol-4-yl)methyl 2-chlorobenzoate (CAS 318247-48-2)
- methyl 3-(4-bromothiazol-2-yl)-3-azabicyclo[3.2.1]octane-8-carboxylate (CAS 2007909-42-2)
- 2-(Ethoxymethyl)cyclohexan-1-one (CAS 85670-56-0)
- 1-(Pyrazin-2-yl)ethanethiol (CAS 1339831-56-9)
- 2-[(Cyclopropylcarbonyl)amino]-5-methylbenzoic Acid (CAS 1016817-12-1)
- 3-Phenylpropyl (3-chloro-1,4-dioxo-1,4-dihydronaphthalen-2-yl)carbamate (CAS 478249-69-3)
- Progesterone Impurity 37 (CAS 3962-66-1)
- Semaglutide Impurity 165 (CAS CATO-C4X-2226165)
Why CATO?
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