| CAS No. | 26530-24-5 |
| Molecular Formula | C11H18ClNOS |
| Molecular Weight | 247.78 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Based on its molecular formula C11H18ClNOS, 26530-24-5 5-Chloro-2-n-octyl-4-isothiazolin-3-one 5-Chloro-2-octyl-3(2H)-isothiazolone 5-Chloro-N-n-octylisothiazolin-3-one contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 247.78 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
26530-24-5 5-Chloro-2-n-octyl-4-isothiazolin-3-one 5-Chloro-2-octyl-3(2H)-isothiazolone 5-Chloro-N-n-octylisothiazolin-3-one (CAS 26530-24-5), molecular formula C11H18ClNOS and molecular weight 247.78 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 26530-24-5 5-Chloro-2-n-octyl-4-isothiazolin-3-one 5-Chloro-2-octyl-3(2H)-isothiazolone 5-Chloro-N-n-octylisothiazolin-3-one 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.
| Molecular Formula | C11H18ClNOS |
| Molecular Weight | 247.78 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |