Cefotiam Impurity 52 CAS CATO-C4X-120452
| CAS No. | CATO-C4X-120452 |
| Molecular Formula | C18H25N9O5S3 |
| Molecular Weight | 543.64 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 Cefotiam Impurity 52 (CAS CATO-C4X-120452), a pharmacopoeial impurity reference standard (molecular formula C18H25N9O5S3, MW 543.64 g/mol) used for the identification and quantification of trace impurities in APIs.
Based on its molecular formula C18H25N9O5S3, Cefotiam Impurity 52 contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 543.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), Cefotiam Impurity 52 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 | C18H25N9O5S3 |
| Molecular Weight | 543.64 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 | 9 |
| Sulfur Atoms | 3 |
Related Cefotiam Standards
- Cefotiam Impurity 18 (CAS CATO-C4X-120418)
- Cefotiam Impurity 27 (CAS CATO-C4X-120427)
- Cefotiam Impurity 53 (CAS CATO-C4X-120453)
- Cefotiam Impurity 19 (CAS CATO-C4X-120419)
- Cefotiam Impurity 11 (CAS CATO-C4X-120411)
- Cefotiam Impurity 17 (CAS CATO-C4X-120417)
- Cefotiam Impurity 24 (CAS CATO-C4X-120424)
- delta(3)-Cefotiam (CAS 142182-63-6)
Recommended Standards
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- Upadacitinib Impurity 13 (CAS 1708997-42-5)
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- Dicyclohexylamine (S)-4-(((allyloxy)carbonyl)amino)-2-((tert-butoxycarbonyl)amino)butanoate (CAS 327156-92-3)
- 1-(Furan-2-yl)-N-((4-methylmorpholin-2-yl)methyl)methanamine (CAS 1498631-80-3)
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- Methyl-PEG12-NHS Ester (CAS 756525-94-7)
- Peptide 433 (CAS CATO-CPTD788433)
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