2-Butylbenzo[d]isothiazol-3(2H)-one 1,1-dioxide CAS 7499-96-9
| CAS No. | 7499-96-9 |
| Molecular Formula | C11H13NO3S |
| Molecular Weight | 239.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H13NO3S, 2-Butylbenzo[d]isothiazol-3(2H)-one 1,1-dioxide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 239.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 2-Butylbenzo[d]isothiazol-3(2H)-one 1,1-dioxide (CAS 7499-96-9), a certified reference material (molecular formula C11H13NO3S, MW 239.29 g/mol) for analytical method development and quality control.
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-Butylbenzo[d]isothiazol-3(2H)-one 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 | C11H13NO3S |
| Molecular Weight | 239.29 g/mol |
| Purity | >95% |
| 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.) | 1959 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Butylbenzo Standards
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Recommended Standards
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- 3-Chloro-N-(3-ethylphenyl)propanamide (CAS 573997-99-6)
- Ethyl 3-{[(2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl]amino}benzoate (CAS 1023503-08-3)
- 1-((4-Bromo-2-fluorophenyl)sulfonyl)piperidin-4-one (CAS 1224592-09-9)
- 5-fluoropyridine-3-carbonitrile (CAS 696-42-4)
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- D-[Phe6]-Semaglutide (CAS CATO-C4X-2226213)
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