| CAS No. | 72682-69-0 |
| Molecular Formula | C24H32N6O9 |
| Molecular Weight | 548.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Suc-Ala-Ala-Pro-Ala-pNA (CAS 72682-69-0), molecular formula C24H32N6O9 and molecular weight 548.55 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C24H32N6O9, Suc-Ala-Ala-Pro-Ala-pNA contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 548.55 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), Suc-Ala-Ala-Pro-Ala-pNA 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 | C24H32N6O9 |
| Molecular Weight | 548.55 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| 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 |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Nitrogen Atoms | 6 |