Emedastine Impurity C38 CAS 101953-62-2
| CAS No. | 101953-62-2 |
| Molecular Formula | C13H18N4 |
| Molecular Weight | 230.31 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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 process- or degradation-related impurity, Emedastine Impurity C38 (CAS 101953-62-2, C13H18N4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
The molecular framework of Emedastine Impurity C38 (C13H18N4) is characterized by a nitrogen-containing heterocyclic scaffold, a nitrile group. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), Emedastine Impurity C38 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 | C13H18N4 |
| Molecular Weight | 230.31 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Nitrogen Atoms | 4 |
Related Emedastine Standards
- Emedastine lmpurity 18 (CAS CATO-C4X-226718)
- Emedastine EP Impurity B (CAS 87233-54-3)
- Emedastine impurity 35 (CAS CATO-C4X-226735)
- Emedastine Impurity 34 (CAS CATO-C4X-226734)
- Emedastine lmpurity 19 (CAS CATO-C4X-226719)
- Emedastine EP Impurity A (CAS 101953-61-1)
- Emedastine lmpurity 26 (CAS CATO-C4X-226726)
- Emedastine Impurity 39 (CAS CATO-C4X-226739)
Recommended Standards
- 4-[(2,6-dimethylmorpholin-4-yl)methyl]benzonitrile (CAS 1017022-17-1)
- 1-(Cyclopentylcarbonyl)indolin-6-amine (CAS 1019533-47-1)
- 1-[2-(2,3-Dihydro-1H-indol-3-yl)ethyl]-2-pyrrolidinone (CAS 1016794-28-7)
- N-{[1,2,4]triazolo[4,3-a]pyridin-3-ylmethyl}cyclohexanamine (CAS 1042564-86-2)
- Rocuronium EP Impurity G (CAS 119302-20-4)
- Otilonium Bromide Impurity 14 (CAS 49557-33-7)
- Nicotine EP Impurity G DiHCl (CAS 31945-06-9)
- 2-Chloroethyl methacrylate (CAS 1888-94-4)
- 3-((Dimethylamino)methyl)furan-2-carboxylic acid (CAS 1094269-42-7)
- tert-Butyl((4-((5S)-5-((4-fluorophenoxy)methyl)tetrahydrofuran-2-yl)but-3-yn-1-yl)oxy)dimethylsilane (CAS 220623-69-8)
- Ethyl 2-(5-amino-3-tert-Butyl-1h-pyrazol-1-yl)acetate (CAS 306818-06-4)
- N-(3,4-Dichlorophenyl)-2-[(4-fluorophenyl)sulfanyl]acetamide (CAS 329080-02-6)
- (E)-4-(1H-Indol-4-yl)-1-methoxybut-3-en-2-one (CAS 111949-75-8)
- Hexapeptide-1 (CAS CATO-CPTD788821)
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