3-Chloro-2-(3,5-dimethyl-4-((phenylsulfonyl)methyl)-1H-pyrazol-1-yl)-5-(trifluoromethyl)pyridine CAS 321574-39-4
| CAS No. | 321574-39-4 |
| Molecular Formula | C18H15ClF3N3O2S |
| Molecular Weight | 429.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-Chloro-2-(3,5-dimethyl-4-((phenylsulfonyl)methyl)-1H-pyrazol-1-yl)-5-(trifluoromethyl)pyridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
3-Chloro-2-(3,5-dimethyl-4-((phenylsulfonyl)methyl)-1H-pyrazol-1-yl)-5-(trifluoromethyl)pyridine (CAS 321574-39-4) is a high-purity analytical reference standard with the molecular formula C18H15ClF3N3O2S and a molecular weight of 429.84 g/mol.
Structurally, 3-Chloro-2-(3,5-dimethyl-4-((phenylsulfonyl)methyl)-1H-pyrazol-1-yl)-5-(trifluoromethyl)pyridine (C18H15ClF3N3O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 429.84 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H15ClF3N3O2S |
| Molecular Weight | 429.84 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 | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Why CATO?
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