Pemafibrate Impurity 28 CAS CATO-C4X-290328
| CAS No. | CATO-C4X-290328 |
| Molecular Formula | C12H17NO3 |
| Molecular Weight | 223.27 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Pemafibrate Impurity 28 is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Pemafibrate Impurity 28 (CAS CATO-C4X-290328) is a certified pharmaceutical impurity reference standard with the molecular formula C12H17NO3 and a molecular weight of 223.27 g/mol.
Structurally, Pemafibrate Impurity 28 (C12H17NO3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 223.27 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
As a certified reference material (CRM), Pemafibrate Impurity 28 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 | C12H17NO3 |
| Molecular Weight | 223.27 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
Related Pemafibrate Standards
- Pemafibrate Impurity 46 (CAS CATO-C4X-290346)
- Pemafibrate Impurity 106 (CAS CATO-C4X-2903106)
- Pemafibrate Impurity 94 (CAS CATO-C4X-290394)
- Pemafibrate Impurity 66 (CAS CATO-C4X-290366)
- Pemafibrate Impurity 27 (CAS CATO-C4X-290327)
- Pemafibrate Impurity 85 (CAS CATO-C4X-290385)
- Pemafibrate Impurity 67 (CAS CATO-C4X-290367)
- Pemafibrate Impurity 69 (CAS CATO-C4X-290369)
Recommended Standards
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- Mirogabalin Impurity 103 (CAS CATO-C4X-2924103)
- Isosorbide Impurity 22 (CAS 110627-23-1)
- Moxifloxacin Impurity 118 (CAS 1395056-42-4)
- Remimazolam Impurity 8 (CAS 1275616-60-8)
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- (2S)-2-amino-4-(hydroxymethylphosphinyl)butanoyl-L-alanyl-L-alanine (2S)-2-amino-4-[hydroxy(methyl)phosphinoyl]butyryl-L-alanyl-L-alanine 2-Amino-4-(methylphosphino)butyrylalanylalanine 35597-43-4 Antibiotic SF 1293 Bialaphos CHEBI:3088 L-phosphinothricyl-L-alanyl-L-alanine N-{(2S)-2-amino-4-[hydroxy(methyl)phosphoryl]butanoyl}-L-alanyl-L-alanine PTT Phosphinothricylalanylalanine bilanafos gamma-(Hydroxymethylphosphinyl)-L-alpha-aminobutyryl-L-alanyl-L-alanine phosphinothricin tripeptide (CAS 35597-43-4)
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