Ceftazidime impurity 113 CAS CATO-C4X-1212113
| CAS No. | CATO-C4X-1212113 |
| Molecular Formula | C30H35ClN7O10S2 |
| Molecular Weight | 753.22 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies Ceftazidime impurity 113 (CAS CATO-C4X-1212113), a pharmacopoeial impurity reference standard (molecular formula C30H35ClN7O10S2, MW 753.22 g/mol) used for the identification and quantification of trace impurities in APIs.
Structurally, Ceftazidime impurity 113 (C30H35ClN7O10S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 16.5, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 753.22 g/mol, it falls into the high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Ceftazidime impurity 113 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 | C30H35ClN7O10S2 |
| Molecular Weight | 753.22 g/mol |
| Purity | 80%+ |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 7 |
| Sulfur Atoms | 2 |
Related Ceftazidime Standards
- Ceftazidime impurity 114 (CAS CATO-C4X-1212114)
- Ceftazidime impurity 117 (CAS CATO-C4X-1212117)
- Ceftazidime impurity 118 (CAS CATO-C4X-1212118)
- Ceftazidime impurity 119 (CAS CATO-C4X-1212119)
- Ceftazidime impurity 116 (CAS CATO-C4X-1212116)
- Ceftazidime impurity 121 (CAS CATO-C4X-1212121)
- Ceftazidime Impurity 31 (CAS CATO-C4X-121231)
- Ceftazidime Impurity 32 (CAS CATO-C4X-121232)
Recommended Standards
- 1-[[(6R,7R)-7-[[(2Z)-2-(5-Amino-1,2,4-thiadiazol-3-yl)-2-[(1-carboxy-1-methylethoxy)imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-[2-[(2-chloro-3,4-dihydroxybenzoyl)amino]ethyl]-pyrrolidinium Inner Salt (CAS 1225208-43-4)
- 2,2-Bis((decanoyloxy)methyl)propane-1,3-diyl bis(decanoate) (CAS 13784-61-7)
- 9,9-Dioctyl-N2,N7-diphenyl-N2-(m-tolyl)-N7-(o-tolyl)-9H-fluorene-2,7-diamine (CAS 439942-97-9)
- 3,3',3'',4,4',4''-Hexahexyl-2,2':5',2''-terthiophene (CAS CATO-CIM-105981)
- Terlipressin Impurity 22 X TFA Salt (CAS CATO-C4X-219322)
- Cefazolin Impurity 68 (CAS CATO-C4X-157768)
- Etomidate impurity 56 (CAS 83898-12-8)
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