Ceftizoxime RC 4 CAS 929101-89-3
| CAS No. | 929101-89-3 |
| Molecular Formula | C13H15N5O5S2 |
| Molecular Weight | 385.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies Ceftizoxime RC 4 (CAS 929101-89-3), a certified reference material (molecular formula C13H15N5O5S2, MW 385.42 g/mol) for analytical method development and quality control.
Structurally, Ceftizoxime RC 4 (C13H15N5O5S2) 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 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 385.42 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C13H15N5O5S2 |
| Molecular Weight | 385.42 g/mol |
| Purity | >90% |
| Storage | Store at 2-8°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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Related Ceftizoxime Standards
- (E)-Ceftizoxime Impurity 1 (CAS 68403-31-6)
- (Z)-Ceftizoxime Impurity 17 (CAS CATO-C4X-179317)
- (Z)-Ceftizoxime Impurity 2 (CAS 2630907-20-7)
- (E)-Ceftizoxime Impurity 20 (CAS CATO-C4X-179320)
- Ceftizoxime (CAS 68401-81-0)
- (Z)-Ceftizoxime Impurity 59 (CAS CATO-C4X-179359)
- (E)-Ceftizoxime Impurity 66 (CAS CATO-C4X-179366)
- Ceftizoxime Ring-opening decarboxylation S-oxide 2 (CAS CATO-C4X-179340)
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