Moxidectin EP Impurity I CAS 113463-31-3
| CAS No. | 113463-31-3 |
| Molecular Formula | C38H56O8S |
| Molecular Weight | 672.91 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Moxidectin EP Impurity I is closely related to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
As a process- or degradation-related impurity, Moxidectin EP Impurity I (CAS 113463-31-3, C38H56O8S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system, Moxidectin EP Impurity I is typically pale yellow to yellow amorphous powder. Its solid-state physicochemical attributes — including a molecular weight of 672.91 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
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), Moxidectin EP Impurity I 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 | C38H56O8S |
| Molecular Weight | 672.91 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Sulfur Atoms | 1 |
Related Moxidectin Standards
- Moxidectin impurity 18 (CAS 1402163-94-3)
- Moxidectin EP Impurity F (CAS CATO-C4X-227510)
- Moxidectin EP Impurity J (CAS CATO-C4X-227513)
- Moxidectin-d3 (CAS 113507-06-5 (unlabelled))
- Moxidectin EP Impurity D (CAS CATO-C4X-22751)
- Moxidectin EP Impurity L (CAS 119718-45-5)
- Moxidectin EP Impurity E (CAS 2482741-71-7)
- Moxidectin (CAS 113507-06-5)
Recommended Standards
- 4,4'-((1E,1'E)-1,4-Phenylenebis(ethene-2,1-diyl))bis(N,N-di-p-tolylaniline) (CAS 596103-58-1)
- 4α-Phorbol 12,13-Didecanoate (CAS 27536-56-7)
- 1,4-Bis[4-(di-p-tolylamino)styryl]benzene (CAS 55035-43-3)
- Phorbol-12,13-didecanoate (CAS 24928-17-4)
- Alvimopan impurity 13 (CAS CATO-C4X-114513)
- Crisaborole impurity 162 (CAS CATO-C4X-2021162)
- Vilanterol Impurity 77 (CAS CATO-C4X-193577)
- 3-cyclohexylprop-2-yn-1-ol (CAS 42134-54-3)
- (2E)-1-(4-Bromophenyl)-3-(dimethylamino)prop-2-en-1-one 73387-60-7 C11H12BrNO V7537 (CAS 73387-60-7)
- Rimegepant Impurity 159 (CAS CATO-C4X-2487159)
- 2-(Difluoromethyl)-4-hydroxy-3-methoxy-5-nitropyridine (CAS 1805481-12-2)
- 4-Amino-4-(3,4-difluorophenyl)butanoic acid (CAS 1038243-73-0)
- 3-(1-Methyl-1h-imidazol-2-yl)butan-2-ol (CAS 1339122-25-6)
- (His32,Leu34)-Neuropeptide Y (32-36) (CAS 168916-68-5)
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