2-Chloro-N-((3-(4-chlorophenyl)isoxazol-5-yl)methyl)-6-methylbenzenesulfonamide CAS 343372-83-8
| CAS No. | 343372-83-8 |
| Molecular Formula | C17H14Cl2N2O3S |
| Molecular Weight | 397.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Chloro-N-((3-(4-chlorophenyl)isoxazol-5-yl)methyl)-6-methylbenzenesulfonamide (CAS 343372-83-8) is a high-purity analytical reference standard with the molecular formula C17H14Cl2N2O3S and a molecular weight of 397.28 g/mol.
Based on its molecular formula C17H14Cl2N2O3S, 2-Chloro-N-((3-(4-chlorophenyl)isoxazol-5-yl)methyl)-6-methylbenzenesulfonamide contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 397.28 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
As a certified reference material (CRM), 2-Chloro-N-((3-(4-chlorophenyl)isoxazol-5-yl)methyl)-6-methylbenzenesulfonamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C17H14Cl2N2O3S |
| Molecular Weight | 397.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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 | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- (E)-1-(2-chloro-6-fluorobenzyl)-2-(2-chlorostyryl)-1H-benzo[d]imidazole (CAS 338772-13-7)
- 4-Chloro-2-[(2Z)-2-(4-chlorophenyl)-2-(methoxyimino)ethyl]-5-(morpholin-4-yl)-2,3-dihydropyridazin-3-one (CAS 477855-93-9)
- 2-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)-4-(chloromethyl)thiazole (CAS 303150-21-2)
- 2-((2-Chloro-6-fluorobenzyl)thio)-4,5-diisobutyl-1-propyl-1H-imidazole (CAS 338966-20-4)
- 2-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]acetaldehyde O-(2,6-dichlorobenzyl)oxime (CAS 303997-72-0)
- 2-chloro-N-(2,4-dichloro-6-methylbenzyl)-4-(trifluoromethyl)nicotinamide (CAS 288246-22-0)
- 6-chloro-N-(2,4-dichloro-6-methylbenzyl)-4-(trifluoromethyl)nicotinamide (CAS 288246-17-3)
- 2-Chloro-N-(4-((4,5-dichloro-2-fluorophenyl)amino)quinazolin-6-yl)acetamide (CAS 733009-42-2)
Recommended Standards
- 2-((5-Fluoro-2-(3-fluoro-5-(trifluoromethyl)pyridin-2-yl)-6-methylpyrimidin-4-yl)sulfonyl)acetic acid (CAS 1823183-55-6)
- 3-((4-Bromophenyl)sulfonyl)-1-(4-ethoxyphenyl)propan-1-one (CAS 477334-21-7)
- 6-(2,6-Dichloro-3,5-dimethoxyphenyl)-2-(methylthio)pyrido[2,3-d]pyrimidin-7(8H)-imine (CAS 1637713-30-4)
- 5-(1-(2,4-Dichlorophenoxy)ethyl)-1-(phenylsulfonyl)-1H-pyrazole (CAS 321385-68-6)
- 3-Bromo-2-(((1-phenyl-1H-tetrazol-5-yl)thio)methyl)imidazo[1,2-a]pyridine (CAS 306280-24-0)
- 6-Phenylnicotinic acid (CAS 29051-44-3)
- (R)-2-chloro-4-((tetrahydro-2H-pyran-4-yl)amino)-6,7-dihydrothieno[3,2-d]pyrimidine 5-oxide (CAS 1910076-23-1)
- 1-[2-(1-Azetidinyl)ethyl]pyrazole-4-boronic Acid Pinacol Ester (CAS 1422126-12-2)
- (R)-1-Phenylethyltrifluoroacetamide (CAS 39995-50-1)
- (3aR,5S,6R,6aR)-5-((R)-2-Acetoxy-1-(acetylthio)ethyl)-2,2-dimethyltetrahydrofuro[2,3-d][1,3]dioxol-6-yl acetate (CAS 10227-17-5)
- Methyl tert-butyl(3-methylpyridin-2-yl)carbamate (CAS 1260403-56-2)
- 3,5-Dichloro-p-anisyl alcohol (CAS 4892-23-3)
- 7-ethylpteridine-2,4-diamine (CAS 80888-13-7)
- Semaglutide Impurity 192 (CAS CATO-C4X-2226192)
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