4-(((4-Chlorophenyl)sulfonyl)methyl)-1-methyl-3-(trifluoromethyl)-5-(3-(trifluoromethyl)phenoxy)-1H-pyrazole CAS 318959-16-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318959-16-9 |
| Molecular Formula | C19H13ClF6N2O3S |
| Molecular Weight | 498.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(((4-Chlorophenyl)sulfonyl)methyl)-1-methyl-3-(trifluoromethyl)-5-(3-(trifluoromethyl)phenoxy)-1H-pyrazole (CAS 318959-16-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H13ClF6N2O3S. Molecular weight: 498.83 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H13ClF6N2O3S |
| Molecular Weight | 498.83 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chlorophenyl Standards
- Ethyl 5-(4-chlorophenyl)-2-(3,4-dimethoxybenzylidene)-7-methyl-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 300377-46-2)
- (5Z)-3-(2-Chlorophenyl)-5-({2-[(4-methylphenyl)sulfanyl]-5-nitrophenyl}methylidene)-2-sulfanylidene-1,3-thiazolidin-4-one (CAS 329078-80-0)
- 6-(4-Chlorophenyl)-6,7-dihydro-5H-pyrrolo[3,4-d]pyrimidine-2,4-diamine (CAS 23935-90-2)
- 5-(4-Chlorophenyl)-4-(phenylsulfonyl)-1-(2,3,4-trichlorophenyl)-1H-pyrazole (CAS 318951-62-1)
- 4-{[(4-chlorophenyl)methyl]sulfanyl}-6-[(4-fluorophenyl)sulfanyl]-11,13-dimethyl-8-thia-3,5,10-triazatricyclo[7.4.0.0^{2,7}]trideca-1(13),2(7),3,5,9,11-hexaene (CAS 478065-78-0)
- 5-{[(2-chlorophenyl)methyl]sulfanyl}-3-(cyclohexylmethyl)-8,9-dimethoxy-2H,3H-imidazo[1,2-c]quinazolin-2-one (CAS 1024013-32-8)
- Methyl 5-((3-chlorophenyl)carbamoyl)-2-(2,4-dichlorobenzamido)-4-methylthiophene-3-carboxylate (CAS 505096-71-9)
- 2-((4-(4-Chlorophenyl)-3-cyano-6-(4-methoxyphenyl)pyridin-2-yl)thio)-N-phenylpropanamide (CAS 444157-50-0)
Recommended Standards
- 5,5-Dihexylquaterthiophene (CAS 132814-92-7)
- 2,3,5-triiodobenzamide (CAS CATO-C3D-262282)
- 1-Octacosanoyl glyceride (CAS 71035-02-4)
- 5-(2-Chloro-5-methylpyrimidin-4-ylamino)benzo[d]oxazol-2(3H)-one (CAS 1236670-87-3)
- Ursodeoxycholic Acid Impurity 22 (CAS 67008-26-8)
- Nabumetone Impurity 2 (CAS 65726-24-1)
- Rosuvastatin Impurity 19 (CAS 1035595-71-1)
- 3-Methyl-1-[2-oxo-2-(piperazin-1-yl)ethyl]-2,5-dihydro-1h-pyrrole-2,5-dione hydrochloride (CAS 1258639-85-8)
- 4,4'-(2,3-Difluoro-1,4-phenylene)bis(1H-pyrazole) (CAS 2044270-04-2)
- Tirzepatide Impurity 26 X TFA Salt (CAS CATO-C4X-324026)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com