| CAS No. | 83929-84-4 |
| Molecular Formula | C39H53N7O7S |
| Molecular Weight | 763.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
5-oxo-l-prolyl-l-phenylalanyl-l-phenylalanyl-l-prolyl-l-leucyl-l-methioninamide 83929-84-4 AR-1G9331 (CAS 83929-84-4) is a high-purity analytical reference standard with the molecular formula C39H53N7O7S and a molecular weight of 763.95 g/mol.
Structurally, 5-oxo-l-prolyl-l-phenylalanyl-l-phenylalanyl-l-prolyl-l-leucyl-l-methioninamide 83929-84-4 AR-1G9331 (C39H53N7O7S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 17.0, corresponding to approximately 17 ring(s) or double-bond equivalent(s). With a molecular weight of 763.95 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 5-oxo-l-prolyl-l-phenylalanyl-l-phenylalanyl-l-prolyl-l-leucyl-l-methioninamide 83929-84-4 AR-1G9331 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.
| Molecular Formula | C39H53N7O7S |
| Molecular Weight | 763.95 g/mol |
| Purity | 97%+ |
| 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) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 7 |
| Sulfur Atoms | 1 |