Josamycin Impurity 8 CAS CATO-C4X-30158
| CAS No. | CATO-C4X-30158 |
| Molecular Formula | C42H69NO15 |
| Molecular Weight | 827.99 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C42H69NO15, Josamycin Impurity 8 contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 827.99 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Josamycin Impurity 8 (CAS CATO-C4X-30158) is a certified pharmaceutical impurity reference standard with the molecular formula C42H69NO15 and a molecular weight of 827.99 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.
CATO manufactures Josamycin Impurity 8 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 | C42H69NO15 |
| Molecular Weight | 827.99 g/mol |
| Purity | >95% |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
Related Josamycin Standards
- Josamycin EP Impurity D (Isoleucomycin A3) (CAS 22340-94-9)
- Josamycin EP Impurity B (18-Dihydroleucomycin A3) (CAS 40361-41-9)
- Josamycin Impurity 7 (CAS CATO-C4X-30157)
- Josamycin EP Impurity A (CAS 18361-46-1)
- Josamycin EP Impurity J (CAS CATO-C4X-301512)
- Josamycin EP Impurity E (Platenomycin A1) (CAS 40615-47-2)
- Josamycin EP Impurity K (CAS 18361-48-3)
- Josamycin EP Impurity H (KitasaMycin A1) (CAS 16846-34-7)
Recommended Standards
- Midecamycin Impurity 6 (CAS CATO-C4X-31226)
- Ricamycin (CAS 74014-51-0)
- Leucomycin A3 (CAS 16846-24-5)
- Hexapeptide-1 (CAS CATO-CPTD788821)
- Prednisolone Impurity 44 (CAS 7055-53-0)
- Baricitinib Impurity 31 (CAS 335654-06-3)
- Loxoprofen Impurity 160 (CAS CATO-C4X-1488160)
- (2R,4S)-2-(1-Boc-4-fluoro-2-pyrrolidinyl)acetic Acid (CAS 441716-22-9)
- 4-Chloro-5-methyl-3-(methylthio)indolin-2-one (CAS 352030-14-9)
- 3-Methyl-5-(methylamino)-1,2-thiazole-4-carboxylic acid (CAS 871217-45-7)
- N-(3,4-Dimethylphenyl)-2-(1H-pyrrol-1-yl)propanamide (CAS 887029-20-1)
- N-[1-(2-phenyl-1,3-thiazol-4-yl)ethylidene]hydroxylamine (CAS 57372-14-2)
- 4-Iodotetrahydro-2H-pyran (CAS 25637-18-7)
- Semaglutide Impurity 176 (CAS CATO-C4X-2226176)
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