Cefmetazole Sodium Salt CAS 56796-39-5
| CAS No. | 56796-39-5 |
| Molecular Formula | C15H16N7O5S3 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 493.51 g/mol gives Cefmetazole Sodium Salt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Cefmetazole Sodium Salt (CAS 56796-39-5) is a high-purity analytical reference standard with the molecular formula C15H16N7O5S3Na and a molecular weight of 493.51 g/mol.
Structurally, Cefmetazole Sodium Salt (C15H16N7O5S3Na) 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 11.5, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 493.51 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.
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), Cefmetazole Sodium Salt 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.
Physical & Chemical Properties
| Molecular Formula | C15H16N7O5S3 Na |
| Molecular Weight | 493.51 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) | 11.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Nitrogen Atoms | 7 |
| Sulfur Atoms | 3 |
Related Cefmetazole Standards
- Cefmetazole Impurity 20 (Chloroacetonitrile) (CAS 107-14-2)
- Cefmetazole Impurity 46 (CAS 17347-32-9)
- Cefmetazole Impurity 66 Sodium Salt (CAS 2714506-85-9 (free base))
- Cefmetazole Impurity 48 (CAS 310466-38-7)
- Cefmetazole Impurity 47 (CAS 4923-87-9)
- Cefmetazole side chain N2 (CAS 52069-54-2)
- Cefmetazole Impurity 21 (CAS 52069-55-3)
- Cefmetazole sodium Impurity 24 (CAS 53090-86-1)
Recommended Standards
- 2,5-Bis(2-butyloctyl)-2,5-dihydro-3,6-bis[5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-thienyl]pyrrolo[3,4-c]pyrrole-1,4-dione (CAS 1793071-06-3)
- beta-Hydroxyisovaleric Acid (CAS 625-08-1)
- 4-Amino-1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-nitropyrimidin-2(1H)-one (CAS 69100-02-3)
- S-((1H-Benzo[d]imidazol-2-yl)methyl)thiohydroxylamine (CAS 41066-73-3)
- N-(5-Amino-2-chlorophenyl)-2-methylpropanamide (CAS 1082152-56-4)
- Methyl 2,6-dimethoxy-3-nitrobenzoate (CAS 55776-20-0)
- (R)-4-(1-amino-2,2,2-trifluoroethyl)-3-fluorophenol (CAS 1213031-38-9)
- 7-Bromo-1,6-naphthyridine-2-carboxylic acid (CAS 157848-47-5)
- 2-Ethynyl-5-phenylthiophene (CAS 1665-35-6)
- Hexapeptide-9 (CAS 1228371-11-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com