5-[4-[(2S)-2-(1H-Benzimidazol-2-yl)-2-(2-benzothiazolylamino)ethyl]-2-fluorophenyl]-3-isothiazolidinone 1,1-dioxide CAS 850321-90-3
| CAS No. | 850321-90-3 |
| Molecular Formula | C25H20FN5O3S2 |
| Molecular Weight | 521.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 5-[4-[(2S)-2-(1H-Benzimidazol-2-yl)-2-(2-benzothiazolylamino)ethyl]-2-fluorophenyl]-3-isothiazolidinone 1,1-dioxide.
5-[4-[(2S)-2-(1H-Benzimidazol-2-yl)-2-(2-benzothiazolylamino)ethyl]-2-fluorophenyl]-3-isothiazolidinone 1,1-dioxide (CAS 850321-90-3), molecular formula C25H20FN5O3S2 and molecular weight 521.59 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-[4-[(2S)-2-(1H-Benzimidazol-2-yl)-2-(2-benzothiazolylamino)ethyl]-2-fluorophenyl]-3-isothiazolidinone 1,1-dioxide (C25H20FN5O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 18.0, corresponding to approximately 18 ring(s) or double-bond equivalent(s). With a molecular weight of 521.59 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-[4-[(2S)-2-(1H-Benzimidazol-2-yl)-2-(2-benzothiazolylamino)ethyl]-2-fluorophenyl]-3-isothiazolidinone 1,1-dioxide 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.
Physical & Chemical Properties
| Molecular Formula | C25H20FN5O3S2 |
| Molecular Weight | 521.59 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
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Why CATO?
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