| CAS No. | 457639-11-1 |
| Molecular Formula | C18H14ClN3OS |
| Molecular Weight | 355.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures 4-(Benzo[d]thiazol-2-yl)-1-(3-chloro-4-methylphenyl)-5-imino-2,5-dihydro-1H-pyrrol-3-ol 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.
4-(Benzo[d]thiazol-2-yl)-1-(3-chloro-4-methylphenyl)-5-imino-2,5-dihydro-1H-pyrrol-3-ol (CAS 457639-11-1), molecular formula C18H14ClN3OS and molecular weight 355.84 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H14ClN3OS, 4-(Benzo[d]thiazol-2-yl)-1-(3-chloro-4-methylphenyl)-5-imino-2,5-dihydro-1H-pyrrol-3-ol contains a steroid core, 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 355.84 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | C18H14ClN3OS |
| Molecular Weight | 355.84 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |