Vilanterol Impurity 77 CAS CATO-C4X-193577
| CAS No. | CATO-C4X-193577 |
| Molecular Formula | C25H37NO5 |
| Molecular Weight | 431.56 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, Vilanterol Impurity 77 (CAS CATO-C4X-193577, C25H37NO5) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, Vilanterol Impurity 77 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 431.56 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures Vilanterol Impurity 77 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 | C25H37NO5 |
| Molecular Weight | 431.56 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
Related Vilanterol Standards
- Vilanterol Impurity 42 (CAS CATO-C4X-193542)
- Vilanterol Impurity 37 (CAS 452339-70-7)
- Vilanterol Impurity 72 (CAS CATO-C4X-193572)
- Vilanterol Impurity 46 (CAS CATO-C4X-193546)
- Vilanterol Impurity 85 (CAS CATO-C4X-193585)
- Vilanterol Impurity 33 (CAS CATO-C4X-193533)
- Vilanterol Impurity 71 (CAS CATO-C4X-193571)
- Vilanterol Impurity 13 (CAS CATO-C4X-193513)
Recommended Standards
- Fingolimod impurity 25 (CAS CATO-C4X-164625)
- Bimatoprost Impurity 14 (CAS CATO-C4X-196414)
- Bisoprolol Impurity 55 (CAS 2417155-08-7)
- Bimatoprost Impurity 17 (Mixture of Diastereomers) (CAS CATO-C4X-196417)
- Bortezomib Impurity 52 (CAS CATO-C4X-107252)
- Benidipine Impurity 52 (CAS CATO-C4X-112052)
- Ilaprazole impurity 198 (CAS CATO-C4X-1130198)
- 3-(2,6-Dichlorophenyl)-5-methyl-N-(5-methylisoxazol-3(2H)-ylidene)isoxazole-4-carboxamide (CAS 349613-77-0)
- (S)-1-(3-chloro-4-fluorophenyl)-2-methoxyethan-1-amine (CAS 1269782-16-2)
- 3-(Chloromethyl)-2,5-dimethylthiophene (CAS 766-58-5)
- 4-Amino-3-methyl-6-thioxo-1,6-dihydro-1,2,4-triazin-5(4H)-one (CAS 633297-83-3)
- Methyl 7-Nitroindole-3-carboxylate (CAS 1027081-37-3)
- Diethyl 2-(ethoxymethyl)malonate (CAS 40516-46-9)
- Tau Peptide (294-305) (human) trifluoroacetate salt (CAS 1428135-29-8)
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