3-((4-Hydroxyphenyl)(4-methoxybenzyl)amino)benzo[d]isothiazole 1,1-dioxide CAS 433254-23-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 433254-23-0 |
| Molecular Formula | C21H18N2O4S |
| Molecular Weight | 394.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-((4-Hydroxyphenyl)(4-methoxybenzyl)amino)benzo[d]isothiazole 1,1-dioxide (CAS 433254-23-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H18N2O4S. Molecular weight: 394.44 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C21H18N2O4S |
| Molecular Weight | 394.44 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 |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 2-[(1,1-Dioxido-1,2-benzisothiazol-3-yl)(4-methoxybenzyl)amino]phenol (CAS 663199-63-1)
- 4-Methyl-N-(7-methyl-11-oxo-10,11-dihydrodibenzo[b,f][1,4]oxazepin-2-yl)benzenesulfonamide (CAS 866152-15-0)
- 2-((5-Benzyl-3-carbamoyl-4-methylthiophen-2-yl)carbamoyl)benzoic acid (CAS 314281-77-1)
- (4aR,7aS)-rel-tert-Butyl tetrahydro-2H-[1,4]dioxino[2,3-c]pyrrole-6(3H)-carboxylate (CAS 694439-03-7)
- 3-(2,2-Dimethylpropanoylamino)benzoic acid (CAS 56619-96-6)
- 3,3-Dimethyl-2-methylenebutanenitrile (CAS 51789-52-7)
- 3′-Sialyllactose (CAS 35890-38-1)
- Propargyl-PEG3-phosphonic acid diethyl ester (CAS 1052678-30-4)
- 1,3-Difluoro-2-ethoxy-5-nitrobenzene (CAS 1806305-50-9)
- Semaglutide Impurity 177 (CAS CATO-C4X-2226177)
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