Phenoxymethylpenicillin Impurity 15 CAS CATO-C4X-212615
| CAS No. | CATO-C4X-212615 |
| Molecular Formula | C31H38N4O9S2 |
| Molecular Weight | 674.78 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C31H38N4O9S2, Phenoxymethylpenicillin Impurity 15 contains a nitrogen-containing heterocyclic scaffold, 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 674.78 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Phenoxymethylpenicillin Impurity 15 (CAS CATO-C4X-212615) is a certified pharmaceutical impurity reference standard with the molecular formula C31H38N4O9S2 and a molecular weight of 674.78 g/mol.
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), Phenoxymethylpenicillin Impurity 15 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 | C31H38N4O9S2 |
| Molecular Weight | 674.78 g/mol |
| Purity | >95% |
| 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related Phenoxymethylpenicillin Standards
- Phenoxymethylpenicillin Impurity 21 (CAS CATO-C4X-212621)
- Phenoxymethylpenicillin Impurity 25 (CAS CATO-C4X-212625)
- Phenoxymethylpenicillin Dimer (CAS CATO-C4X-212614)
- Phenoxymethylpenicillin Impurity 18 (CAS CATO-C4X-212618)
- Phenoxymethylpenicillin Impurity 12 (CAS CATO-C4X-212612)
- Phenoxymethylpenicillin Impurity 16 (CAS CATO-C4X-212616)
- Phenoxymethylpenicillin Impurity 19 (CAS CATO-C4X-212619)
- Phenoxymethylpenicillin Impurity 22 (CAS CATO-C4X-212622)
Recommended Standards
- Pazopanib Impurity 31 (CAS CATO-C4X-172531)
- Imrecoxib Impurity 68 (CAS CATO-C4X-237968)
- Propranolol Impurity 62 (CAS CATO-C4X-151962)
- Imrecoxib Impurity 72 (CAS CATO-C4X-237972)
- Gefitinib Impurity 85 (CAS CATO-C4X-111785)
- Eltrombopag impurity 145 (CAS 757889-55-7)
- Sunitinib Impurity 43 (CAS 86770-31-2)
- (3-Fluorotetrahydro-2H-pyran-4-yl)methanol (CAS 1782433-52-6)
- NefopaM N-Oxide (CAS 66091-32-5)
- TTTB6-2CHO (CAS 2127354-14-5)
- 8-Ethylchroman-4-amine (CAS 767610-47-9)
- 4,4-Difluoro-3-methylbutanoic acid (CAS 1785096-82-3)
- 1-(4-Amino-6-methyl-2-phenylpyrimidin-5-yl)ethanone (CAS 128072-67-3)
- 59880-97-6 Chemotactic peptide F-Met-Leu-Phe L-Phenylalanine, N-(N-(N-formyl-L-methionyl)-L-leucyl)- N-Formyl-L-methionyl-L-leucyl-L-phenylalanine N-Formyl-Met-Leu-Phe N-Formylmethionine leucyl-phenylalanine fMLF fMLP (misnomer but widely used) (CAS 59880-97-6)
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