Cefodizime Impurity 7 CAS CATO-C4X-18067
| CAS No. | CATO-C4X-18067 |
| Molecular Formula | C20H20N6O7S4 |
| Molecular Weight | 584.67 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
Cefodizime Impurity 7 (CAS CATO-C4X-18067) is a certified pharmaceutical impurity reference standard with the molecular formula C20H20N6O7S4 and a molecular weight of 584.67 g/mol.
Structurally, Cefodizime Impurity 7 (C20H20N6O7S4) 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 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 584.67 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).
As a certified reference material (CRM), Cefodizime Impurity 7 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 | C20H20N6O7S4 |
| Molecular Weight | 584.67 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 4 |
Related Cefodizime Standards
- Cefodizime Impurity 24 (CAS CATO-C4X-180624)
- Cefodizime Impurity 5 (CAS 120533-30-4)
- Cefodizime Impurity 6 (CAS 97180-26-2)
- Cefodizime (CAS 69739-16-8)
- Cefodizime Impurity 23 (CAS CATO-C4X-180623)
- Cefodizime Impurity 4 (CAS CATO-C4X-18064)
- Cefodizime Oxide Impurity 1 (CAS CATO-C4X-18068)
- Cefodizime Impurity 13 (CAS CATO-C4X-180613)
Recommended Standards
- Propargyl-PEG12-OH (CAS 1036204-61-1)
- Ald-CH2-PEG10-Boc (CAS 2353410-05-4)
- PD 176252 (CAS 204067-01-6)
- 110501-66-1 Tmk 688 Carbonic acid, 4-(5-((2-(4-(diphenylmethoxy)-1-piperidinyl)ethyl)amino)-5-oxo-1,3-pentadienyl)-2-methoxyphenyl ethyl ester Tmk688 CCRIS 6902 (CAS 110501-66-1)
- Iguratimod Impurity 51 (CAS CATO-C4X-182651)
- Imrecoxib Impurity 70 (CAS CATO-C4X-237970)
- Indacaterol Impurity 22 (CAS 2598-30-3)
- 2,7,8-Trimethylquinoline-4-carboxylic acid dihydrate (CAS 1609406-89-4)
- 3-(2-Ethoxyphenoxy)piperidine hydrochloride (CAS 1809064-93-4)
- N-(4-chloro-2-(trifluoromethyl)phenyl)-1-phenylcyclopentane-1-carboxamide (CAS 1023540-70-6)
- 2-((5-(4-Chlorophenyl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)-N-(3-fluorophenyl)acetamide (CAS 477329-11-6)
- 2-Amino-4,6-Dimethoxypyrimidine (CAS 36315-01-2)
- 4-Bromo-2-{[(propan-2-yl)amino]methyl}phenol hydrochloride (CAS 1240566-48-6)
- D-[Ser]8-Semaglutide (CAS CATO-C4X-2226207)
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