Ceftibuten Impurity 1 CAS CATO-C4X-18901
| CAS No. | CATO-C4X-18901 |
| Molecular Formula | C19H20N2O6S |
| Molecular Weight | 404.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ceftibuten Impurity 1.
As a process- or degradation-related impurity, Ceftibuten Impurity 1 (CAS CATO-C4X-18901, C19H20N2O6S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Ceftibuten Impurity 1 (C19H20N2O6S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
As a certified reference material (CRM), Ceftibuten Impurity 1 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 | C19H20N2O6S |
| Molecular Weight | 404.44 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Ceftibuten Standards
- Ceftibuten Impurity 1 (CAS 103054-27-9)
- Ceftibuten Impurity 2 (CAS CATO-C4X-18902)
- (E)-Ceftibuten Dihydrate (CAS 1428117-81-0)
- Ceftibuten (CAS 97519-39-6)
- Ceftibuten Impurity 4 (CAS CATO-C4X-18904)
- Ceftibuten Impurity 8 (CAS 97519-40-9)
- Ceftibuten Impurity 15 (CAS CATO-C4X-189015)
- Ceftibuten Impurity 14 (CAS CATO-C4X-189014)
Recommended Standards
- Levofloxacin Impurity 37 (CAS 2130840-90-1)
- Apremilast impurity 19 (CAS 1384440-16-7)
- N-Nitroso Oxacillin Impurity 62 (CAS CATO-C4X-232162)
- Z-Met-ONp (CAS 2483-42-3)
- Avanafil Impurity 12 (CAS CATO-C4X-111812)
- Levothyroxine Impurity 38 (CAS 1027-28-7)
- Verapamil EP Impurity C(HCl) (CAS 51012-67-0)
- Imipenem Impurity 130 (CAS CATO-C4X-1662130)
- 1,2-dichloropropan-1-ol (CAS 108026-03-5)
- Ethyl 3-(2,3-difluorophenyl)-5-methylisoxazole-4-carboxylate (CAS 1159602-35-3)
- 1-(4-Fluorobenzyl)-4-methyl-1,2-dihydro-3h-pyrazol-3-imine (CAS 1174868-77-9)
- 1,1-Difluorospiro[2.3]Hexan-5-amine (CAS 1955540-33-6)
- 4-Chloro-1-ethoxy-2-fluorobenzene (CAS 289039-40-3)
- Tirzepatide Impurity 52 (CAS CATO-C4X-324052)
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