tert-Butyl 2-(4-((2-chloro-4-fluorobenzyl)-oxy)phenylsulfonamido)acetate CAS 1206677-71-5
| CAS No. | 1206677-71-5 |
| Molecular Formula | C19H21ClFNO5S |
| Molecular Weight | 429.89 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
tert-Butyl 2-(4-((2-chloro-4-fluorobenzyl)-oxy)phenylsulfonamido)acetate (CAS 1206677-71-5), molecular formula C19H21ClFNO5S and molecular weight 429.89 g/mol, is a CATO reference standard with documented purity and traceability.
tert-Butyl 2-(4-((2-chloro-4-fluorobenzyl)-oxy)phenylsulfonamido)acetate (C19H21ClFNO5S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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).
As a certified reference material (CRM), tert-Butyl 2-(4-((2-chloro-4-fluorobenzyl)-oxy)phenylsulfonamido)acetate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C19H21ClFNO5S |
| Molecular Weight | 429.89 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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