(E)-5-(tert-Butyl)-3-styrylbenzo[d]isothiazole 1,1-dioxide CAS 1827685-24-4
| CAS No. | 1827685-24-4 |
| Molecular Formula | C19H19NO2S |
| Molecular Weight | 325.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
(E)-5-(tert-Butyl)-3-styrylbenzo[d]isothiazole 1,1-dioxide (CAS 1827685-24-4), molecular formula C19H19NO2S and molecular weight 325.42 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, (E)-5-(tert-Butyl)-3-styrylbenzo[d]isothiazole 1,1-dioxide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 325.42 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 manufactures (E)-5-(tert-Butyl)-3-styrylbenzo[d]isothiazole 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.
Physical & Chemical Properties
| Molecular Formula | C19H19NO2S |
| Molecular Weight | 325.42 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Recommended Standards
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