| CAS No. | 162149-58-8 |
| Molecular Formula | C12H14N4O5 |
| Molecular Weight | 294.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
(S)-4-Methyl-2-((7-nitrobenzo[c][1,2,5]oxadiazol-4-yl)amino)pentanoic acid (CAS 162149-58-8), molecular formula C12H14N4O5 and molecular weight 294.26 g/mol, is a CATO reference standard with documented purity and traceability.
(S)-4-Methyl-2-((7-nitrobenzo[c][1,2,5]oxadiazol-4-yl)amino)pentanoic acid (C12H14N4O5) contains an amino-acid-derived structure, an amide 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 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.
As a certified reference material (CRM), (S)-4-Methyl-2-((7-nitrobenzo[c][1,2,5]oxadiazol-4-yl)amino)pentanoic 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 | C12H14N4O5 |
| Molecular Weight | 294.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 4 |