Ethyl 2-(1,3-benzothiazol-2-ylsulfonyl)-2,2-difluoroacetate CAS 477889-77-3
| CAS No. | 477889-77-3 |
| Molecular Formula | C11H9F2NO4S2 |
| Molecular Weight | 321.32 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 Ethyl 2-(1,3-benzothiazol-2-ylsulfonyl)-2,2-difluoroacetate.
CATO supplies Ethyl 2-(1,3-benzothiazol-2-ylsulfonyl)-2,2-difluoroacetate (CAS 477889-77-3), a certified reference material (molecular formula C11H9F2NO4S2, MW 321.32 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H9F2NO4S2, Ethyl 2-(1,3-benzothiazol-2-ylsulfonyl)-2,2-difluoroacetate contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 321.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 Ethyl 2-(1,3-benzothiazol-2-ylsulfonyl)-2,2-difluoroacetate 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 | C11H9F2NO4S2 |
| Molecular Weight | 321.32 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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