3-((1,2-Dihydroacenaphthylen-5-yl)(2-hydroxybenzyl)amino)benzo[d]isothiazole 1,1-dioxide CAS 433971-12-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 433971-12-1 |
| Molecular Formula | C26H20N2O3S |
| Molecular Weight | 440.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-((1,2-Dihydroacenaphthylen-5-yl)(2-hydroxybenzyl)amino)benzo[d]isothiazole 1,1-dioxide (CAS 433971-12-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C26H20N2O3S. Molecular weight: 440.51 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C26H20N2O3S |
| Molecular Weight | 440.51 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 18.0 |
| 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
- 1-(2-(Diethylamino)ethyl)-4-(3-fluoro-4-methylbenzoyl)-3-hydroxy-5-(4-methoxyphenyl)-1H-pyrrol-2(5H)-one (CAS 618074-18-3)
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- Phenyl (3-(tert-butyl)-1-(p-tolyl)-1H-pyrazol-5-yl)carbamate (CAS 285984-47-6)
- 3-(4-Chlorophenoxy)propanenitrile (CAS 46125-42-2)
- tert-Butyl 6a-hydroxy-1,2,6,6a-tetrahydropyrrolo[3,4-c]pyrazole-5(4H)-carboxylate (CAS 1824641-82-8)
- 8-Chloro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoquinoline (CAS 2813231-43-3)
- 1-(3-Aminopyrrolidin-1-yl)-3-cyclohexylpropan-1-one hydrochloride (CAS 1584123-54-5)
- 3,6-Dichloro-2-(difluoromethoxy)benzoyl chloride (CAS 1806350-13-9)
- Palmitoyl Tetrapeptide-7 (CAS 221227-05-0)
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