| CAS No. | 87670-83-5 |
| Molecular Formula | C18H20N2O6S |
| Molecular Weight | 392.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 392.43 g/mol gives (2S)-2-(5-Acetamido-2-methoxybenzenesulfonamido)-3-phenylpropanoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies (2S)-2-(5-Acetamido-2-methoxybenzenesulfonamido)-3-phenylpropanoic acid (CAS 87670-83-5), a certified reference material (molecular formula C18H20N2O6S, MW 392.43 g/mol) for analytical method development and quality control.
(2S)-2-(5-Acetamido-2-methoxybenzenesulfonamido)-3-phenylpropanoic acid (C18H20N2O6S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (2S)-2-(5-Acetamido-2-methoxybenzenesulfonamido)-3-phenylpropanoic acid 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.
| Molecular Formula | C18H20N2O6S |
| Molecular Weight | 392.43 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |