Cefpodoxime Proxetil Impurity 41 CAS 98298-66-9
| CAS No. | 98298-66-9 |
| Molecular Formula | C6H11ClO3 |
| Molecular Weight | 166.60 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Cefpodoxime Proxetil Impurity 41 (CAS 98298-66-9), a pharmacopoeial impurity reference standard (molecular formula C6H11ClO3, MW 166.60 g/mol) used for the identification and quantification of trace impurities in APIs.
The molecular framework of Cefpodoxime Proxetil Impurity 41 (C6H11ClO3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), Cefpodoxime Proxetil Impurity 41 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 | C6H11ClO3 |
| Molecular Weight | 166.60 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Cl-containing |
Related Cefpodoxime Standards
- Cefpodoxime Proxetil Impurity 14 (CAS CATO-C4X-157914)
- Cefpodoxime Impurity 32 (CAS 24701-69-7)
- Cefpodoxime Impurity 59 (CAS CATO-C4X-157959)
- Cefpodoxime Proxetil Impurity 25 (CAS CATO-C4X-157938)
- Cefpodoxime Proxetil Impurity 40 (CAS 911000-43-6)
- Cefpodoxime Proxetil EP Impurity A -d3 Sodium Salt (CAS CATO-C4X-157931)
- Cefpodoxime Impurity 58 (CAS CATO-C4X-157958)
- Cefpodoxime impurity 71 (CAS CATO-C4X-157971)
Recommended Standards
- Levocarnitine Impurity 39 (CAS 1809158-58-4)
- 1-Chloro-3-(oxiran-2-ylmethoxy)propan-2-ol (CAS 3944-63-6)
- Levocarnitine Impurity 17 (CAS 90866-33-4)
- 5-Chloro-6-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 1000340-18-0)
- Sorafenib Impurity 56 (CAS 864272-34-4)
- Alvimopan Impurity 22 (CAS CATO-C4X-114522)
- Pramipexole Impurity 40 (CAS 1867177-06-7)
- (2R,3R,4S,5R,6S)-2-(acetoxymethyl)-6-((2-hydroxybenzoyl)oxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 32748-59-7)
- N1-(2-chloro-4-nitrophenyl)ethane-1,2-diamine (CAS 27080-50-8)
- 3-Methyl-3-(4-nitrophenyl)indolin-2-one (CAS 1848979-83-8)
- 4-Methoxy-3-methylpyridine (CAS 96609-78-8)
- 4,4'-(1,10-Phenanthroline-3,8-diyl)dibenzaldehyde (CAS 2368860-32-4)
- 8-Oxo-5,6,7,8-tetrahydro-1H-cyclopenta[d][1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 842975-47-7)
- Liraglutide Impurity 16 TFA Salt (CAS CATO-C4X-199216)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com