3-((4-Hydroxyphenyl)(thiophen-2-ylmethyl)amino)benzo[d]isothiazole 1,1-dioxide CAS 443319-38-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 443319-38-8 |
| Molecular Formula | C18H14N2O3S2 |
| Molecular Weight | 370.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-((4-Hydroxyphenyl)(thiophen-2-ylmethyl)amino)benzo[d]isothiazole 1,1-dioxide (CAS 443319-38-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H14N2O3S2. Molecular weight: 370.45 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H14N2O3S2 |
| Molecular Weight | 370.45 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 1-{7-methyl-2-phenylimidazo[1,2-a]pyrimidin-5-yl}-4-(pyridin-2-yl)piperazine (CAS 439096-67-0)
- 3-(4-Methoxyphenyl)-6-(piperidin-1-yl)pyridazino[4,3-c]isoquinoline (CAS 96825-91-1)
- 1,3-Bis(2-(1H-pyrrol-1-yl)benzyl)urea (CAS 866042-37-7)
- N-(2-Bromophenyl)-2-chloroisonicotinamide (CAS 1019323-14-8)
- 4-Bromo-2-(5-isoxazolyl)phenol (CAS 213690-27-8)
- 5-(2-Formylphenyl)-2-furoic acid (CAS 400744-92-5)
- 5(6)-Carboxy-2′,7′-dichlorofluorescein diacetate (CAS 127770-45-0)
- Phenoxymethylpenicillin EP Impurity F（SS） (CAS CATO-C4X-21269)
- Dichlorotetrakis(pyridine)nickel (CAS 14076-99-4)
- Tirzepatide Impurity 36 (CAS CATO-C4X-324036)
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