Cisatracurium Besilate EP Impurity C ((R)-Laudanosine) CAS 85-63-2
| CAS No. | 85-63-2 |
| Molecular Formula | C21H27NO4 |
| Molecular Weight | 357.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C21H27NO4, Cisatracurium Besilate EP Impurity C ((R)-Laudanosine) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 357.44 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Cisatracurium Besilate EP Impurity C ((R)-Laudanosine) (CAS 85-63-2), a pharmacopoeial impurity reference standard (molecular formula C21H27NO4, MW 357.44 g/mol) used for the identification and quantification of trace impurities in APIs.
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.
CATO manufactures Cisatracurium Besilate EP Impurity C ((R)-Laudanosine) under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C21H27NO4 |
| Molecular Weight | 357.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Cisatracurium Standards
- Cisatracurium Besilate EP Impurity R Dioxalate (CAS 96687-52-4)
- Cisatracurium Besilate EP Impurity S (CAS 96946-50-8)
- Cisatracurium Besilate EP Impurity P (CAS CATO-C4X-185010)
- Cisatracurium Besilate EP Impurity W TFA (CAS CATO-C4X-1850109)
- Cisatracurium Besilate EP Impurity Q TFA (CAS CATO-C4X-185011)
- Cisatracurium Besilate EP Impurity R DiHCl (CAS CATO-C4X-1850112)
- Cisatracurium Besylate EP Impurity O (CAS 2803857-42-1)
- Cisatracurium Besilate EP Impurity Q Besylate (CAS CATO-C4X-1850121)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com