| CAS No. | CATO-C4X-11636 |
| Molecular Formula | C18H16N8Na2O7S3 |
| Molecular Weight | 598.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 598.54 g/mol gives Ceftriaxone 3-ene Isomer Disodium Salt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ceftriaxone 3-ene Isomer Disodium Salt (CAS CATO-C4X-11636), molecular formula C18H16N8Na2O7S3 and molecular weight 598.54 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ceftriaxone 3-ene Isomer Disodium Salt (C18H16N8Na2O7S3) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 598.54 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
| Molecular Formula | C18H16N8Na2O7S3 |
| Molecular Weight | 598.54 g/mol |
| Purity | >90% |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 8 |
| Sulfur Atoms | 3 |