2-(2-Hydroxyethyl)benzo[d]isothiazol-3(2H)-one 1,1-dioxide CAS 6343-81-3
| CAS No. | 6343-81-3 |
| Molecular Formula | C9H9NO4S |
| Molecular Weight | 227.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 2-(2-Hydroxyethyl)benzo[d]isothiazol-3(2H)-one 1,1-dioxide 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.
2-(2-Hydroxyethyl)benzo[d]isothiazol-3(2H)-one 1,1-dioxide (CAS 6343-81-3) is a high-purity analytical reference standard with the molecular formula C9H9NO4S and a molecular weight of 227.24 g/mol.
Structurally, 2-(2-Hydroxyethyl)benzo[d]isothiazol-3(2H)-one 1,1-dioxide (C9H9NO4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 227.24 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 | C9H9NO4S |
| Molecular Weight | 227.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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- 1-Phenyl-1-(3-quinolyl)ethanol (CAS 1183075-72-0)
- Cannabivarin (CAS 33745-21-0)
- Ethyl 6-methylmorpholine-2-carboxylate (CAS 2092520-02-8)
- 1-(3,4-dihydro-2H-1-benzopyran-6-yl)propan-1-one (CAS 70452-02-7)
- 6-Bromo-3,4-dihydropyrrolo[1,2-a]pyrazin-1(2H)-one (CAS 1374684-64-6)
- 3-(3-Chloro-5-fluorophenyl)benzonitrile (CAS 1345732-63-9)
- Insulin Degludec Impurity 13 (CAS CATO-C4X-215713)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com