3-((3-Chloro-2-methylphenyl)amino)benzo[d]isothiazole 1,1-dioxide CAS 311322-82-4
| CAS No. | 311322-82-4 |
| Molecular Formula | C14H11ClN2O2S |
| Molecular Weight | 306.77 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-((3-Chloro-2-methylphenyl)amino)benzo[d]isothiazole 1,1-dioxide (CAS 311322-82-4), a certified reference material (molecular formula C14H11ClN2O2S, MW 306.77 g/mol) for analytical method development and quality control.
Based on its molecular formula C14H11ClN2O2S, 3-((3-Chloro-2-methylphenyl)amino)benzo[d]isothiazole 1,1-dioxide contains a nitrogen-containing heterocyclic scaffold, 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 306.77 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), 3-((3-Chloro-2-methylphenyl)amino)benzo[d]isothiazole 1,1-dioxide 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 | C14H11ClN2O2S |
| Molecular Weight | 306.77 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) | 10.0 |
| 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
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- 6-Chloro-2-methyl-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1227266-96-7)
- 2-Chloro-5-methyl-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1227267-19-7)
- 2-Chloro-6-methyl-1-(phenylsulfonyl)-1H-pyrrolo[2,3-b]pyridine (CAS 1227267-24-4)
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Recommended Standards
- 2-Ethoxy-5-(3-ethylureido)benzenesulfonyl chloride (CAS 680618-16-0)
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- 2-Chloro-n-[5-(dimethylsulfamoyl)-2-methoxyphenyl]acetamide (CAS 749906-93-2)
- 4-Chloro-1-tosyl-1H-pyrrolo[2,3-b]pyridine (CAS 348640-05-1)
- 6-Bromo-4-(difluoromethyl)-5-methylpyridin-3-ol (CAS 1804658-87-4)
- 3-(5-Methyl-1,3,4-oxadiazol-2-yl)benzenesulfonamide (CAS 1263275-20-2)
- 6-Fluoro-4-methoxynicotinic acid (CAS 1060805-17-5)
- 1-(2-Fluorophenyl)-4-((5-nitrofuran-2-yl)methyl)piperazine (CAS 528-88-1)
- n-(Piperidin-4-yl)-4-(trifluoromethyl)benzamide hydrochloride (CAS 1707580-57-1)
- 1,2-dihydroacenaphthylen-5-ylboronic acid (CAS 183158-33-0)
- 3-Bromo-2-fluoro-6-(trifluoromethyl)benzoic acid (CAS 1980062-64-3)
- Mirogabalin impurity 69 (CAS CATO-C4X-292469)
- Sodium 3-Bromopropanesulfonate (CAS 55788-44-8)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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