2-((2-Chloroethyl)sulfonyl)-5-(trifluoromethyl)pyridine CAS 243643-97-2
| CAS No. | 243643-97-2 |
| Molecular Formula | C8H7ClF3NO2S |
| Molecular Weight | 273.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-((2-Chloroethyl)sulfonyl)-5-(trifluoromethyl)pyridine.
2-((2-Chloroethyl)sulfonyl)-5-(trifluoromethyl)pyridine (CAS 243643-97-2) is a high-purity analytical reference standard with the molecular formula C8H7ClF3NO2S and a molecular weight of 273.66 g/mol.
Structurally, 2-((2-Chloroethyl)sulfonyl)-5-(trifluoromethyl)pyridine (C8H7ClF3NO2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 273.66 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-((2-Chloroethyl)sulfonyl)-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.
Physical & Chemical Properties
| Molecular Formula | C8H7ClF3NO2S |
| Molecular Weight | 273.66 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Chloroethyl Standards
- 2-(1-Chloroethyl)-5-(ethylsulfonyl)benzo[d]oxazole (CAS 1355224-73-5)
- 1-((2-Chloroethyl)sulfonyl)-3-(trifluoromethyl)benzene (CAS 175203-09-5)
- 1-(2-Chloroethyl)-5-(2,4-dichlorophenyl)-1H-pyrazole (CAS 1710302-42-3)
- Ethyl 3-(2-chloroethyl)-4-oxo-3,4-dihydroimidazo[5,1-d][1,2,3,5]tetrazine-8-carboxylate (CAS 113942-48-6)
- N-(2-chloroethyl)-1,2-dihydronaphtho[2,1-b]furan-2-carboxamide (CAS 478078-36-3)
- 4-(2-Chloroethyl)-N,N-diethylbenzenesulfonamide (CAS 1018537-40-0)
- 2-(1-chloroethyl)-5-(3,4-dichlorophenyl)-1,3-oxazole (CAS 1094318-44-1)
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Recommended Standards
- 6-Chloro-N-(3-(trifluoromethyl)phenyl)pyrimidin-4-amine (CAS 872510-82-2)
- 2-Chloro-N-methyl-5-(trifluoromethyl)benzene-1-sulfonamide (CAS 217454-88-1)
- 6'-Chloro-3-(trifluoromethyl)-[2,3'-bipyridin]-5'-amine (CAS 573680-74-7)
- 4-Chloro-3-methyl-2-((trifluoromethyl)sulfonyl)aniline (CAS 2759078-93-6)
- Sodium Aluminum Hydride (1.0 M in THF) (CAS 13770-96-2)
- 2-(4-Bromobenzoyl)malononitrile (CAS 1498812-40-0)
- 2-(4-Fluorophenyl)benzofuran (CAS 69976-38-1)
- 6-Chloro-1-methylpyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione (CAS 2618422-74-3)
- 3-(5-Bromo-3-indolyl)propanoic Acid (CAS 54904-23-3)
- (3-Fluoro-4-(trifluoromethoxy)phenyl)trimethylsilane (CAS 1443340-90-6)
- 5-(2-(Benzyloxy)benzylidene)-2-(4-methylpiperazin-1-yl)thiazol-4(5H)-one (CAS 848736-54-9)
- 5-Cyclopropyl-1-ethyl-1H-pyrazol-3-amine (CAS 1172529-33-7)
- 1-Methyl-1H-benzo[d][1,2,3]triazole-5-carbaldehyde, 97% (CAS 499770-67-1)
- D-allo-Thr7-Semaglutide (CAS CATO-C4X-2226242)
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