Ceftriaxone-d3 Disodium Salt CAS 1132650-38-4
| CAS No. | 1132650-38-4 |
| Molecular Formula | - |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Ceftriaxone-d3 Disodium Salt (CAS 1132650-38-4) is a high-purity analytical reference standard with the molecular formula C18H13D3N8O7S3Na and a molecular weight of 578.56 g/mol.
Based on its molecular formula C18H13D3N8O7S3Na, Ceftriaxone-d3 Disodium Salt contains deuterium isotope labeling, a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 578.56 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C18H13D3N8O7S3 2*Na |
| Molecular Weight | 578.56 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) | 16.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Nitrogen Atoms | 8 |
| Sulfur Atoms | 3 |
Related Ceftriaxone Standards
- Ceftriaxone Disodium Salt Hemiheptahydrate (CAS 104376-79-6)
- Ceftriaxone Sodium E-Isomer (CAS 108260-00-0)
- Ceftriaxone Impurity 39 (CAS 139-33-3(Anhydrate CAS))
- Ceftriaxone Impurity 37 (CAS 149-30-4)
- Ceftriaxone Impurity 34 (CAS 1637561-91-1)
- Ceftriaxone Impurity Cefotaxime Triethylamine (CAS 219827-56-2)
- Ceftriaxone Sodium - Impurity E (Sodium Salt) (CAS 2227256-62-2)
- Ceftriaxone Impurity 41 (CAS 473843-58-2)
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