| CAS No. | 1818294-33-5 |
| Molecular Formula | C23H38N2O9S2 |
| Molecular Weight | 550.69 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-Oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16,19,22-hexaoxa-4-azapentacosan-25-oic acid (CAS 1818294-33-5), molecular formula C23H38N2O9S2 and molecular weight 550.69 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16,19,22-hexaoxa-4-azapentacosan-25-oic acid (C23H38N2O9S2) 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 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 550.69 g/mol, it falls into the moderately-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.
As a certified reference material (CRM), 3-Oxo-1-(pyridin-2-yldisulfanyl)-7,10,13,16,19,22-hexaoxa-4-azapentacosan-25-oic 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 | C23H38N2O9S2 |
| Molecular Weight | 550.69 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |