3-[(3,4-Dichlorophenyl)methanesulfonyl]-4-ethyl-5-{[3-(trifluoromethyl)phenoxy]methyl}-4H-1,2,4-triazole CAS 923676-45-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 923676-45-3 |
| Molecular Formula | C19H16Cl2F3N3O3S |
| Molecular Weight | 494.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-[(3,4-Dichlorophenyl)methanesulfonyl]-4-ethyl-5-{[3-(trifluoromethyl)phenoxy]methyl}-4H-1,2,4-triazole (CAS 923676-45-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C19H16Cl2F3N3O3S. Molecular weight: 494.31 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C19H16Cl2F3N3O3S |
| Molecular Weight | 494.31 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.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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- [(3Z)-1-[(3,4-Dichlorophenyl)methyl]-2-oxo-2,3-dihydro-1H-indol-3-ylidene]amino 2,4-dichlorobenzoate (CAS 477853-35-3)
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Recommended Standards
- 3,3'-(2,7-Dibromo-9H-fluorene-9,9-diyl)bis(N,N-dimethylpropan-1-amine) (CAS 673474-73-2)
- 4-Chloro-N-{[5-chloro-1-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl]methyl}-N-(4-methoxyphenyl)benzene-1-sulfonamide (CAS 956706-83-5)
- Bis(4-bromophenyl)diphenylsilane (CAS 18733-91-0)
- 4-Oxochroman-7-carboxylic acid (CAS 90921-09-8)
- 4-((6-(3-Fluorophenyl)pyridazin-3-yl)amino)benzoic acid (CAS 1119450-51-9)
- Brexpiprazole Impurity 171 (CAS CATO-C4X-1131171)
- 2-(4-Amino-3-iodophenyl)acetonitrile (CAS 955397-24-7)
- (7s)-5-Azaspiro[2.4]heptan-7-ol (CAS 2201703-83-3)
- Carebastine Impurity 6 (CAS CATO-C4X-31696)
- Polymyxin B nonapeptide TFA (CAS 2220175-42-6)
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