Hydroxychloroquine impurity 85 CAS CATO-C4X-183585
| CAS No. | CATO-C4X-183585 |
| Molecular Formula | - |
| Molecular Weight | 288.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Hydroxychloroquine impurity 85 is supplied as a fully characterized reference material; its structural identity, assigned purity, and stability data are documented in the batch-specific Certificate of Analysis (COA).
Hydroxychloroquine impurity 85 (CAS CATO-C4X-183585) is a certified pharmaceutical impurity reference standard with the molecular formula N/A and a molecular weight of 288.36 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.
As a certified reference material (CRM), Hydroxychloroquine impurity 85 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 | C16H22AN3O2 |
| Molecular Weight | 288.36 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
Related Hydroxychloroquine Standards
- Hydroxychloroquine EP Impurity D (CAS 1476-52-4)
- Hydroxychloroquine Impurity 94 (CAS CATO-C4X-183594)
- Hydroxychloroquine Impurity 45 (CAS CATO-C4X-183545)
- Hydroxychloroquine Impurity 29 (CAS CATO-C4X-183529)
- Hydroxychloroquine Impurity 3 (CAS 137433-25-1)
- Hydroxychloroquine EP Impurity C (CAS 4298-15-1)
- Hydroxychloroquine Impurity 75 (CAS 100713-49-3)
- Hydroxychloroquine Impurity 73 (CAS CATO-C4X-183573)
Recommended Standards
- Teneligliptin Impurity 45 (CAS CATO-C4X-176045)
- Bilastine Impurity 63 (CAS 54176-27-1)
- Oseltamivir Acid-13CD3 (CAS 187227-45-8 (unlabeled))
- Febantel Impurity 3 (CAS 58306-67-5)
- Etelcalcetide Impurity 27 X TFA Salt (CAS CATO-C4X-324727)
- Flurbiprofen Impurity 38 (CAS CATO-C4X-144438)
- Eszopiclone impurity 26 (CAS 151776-26-0)
- 5-(Bromomethyl)-2-chloro-1,3-difluorobenzene (CAS 1400991-56-1)
- 3,4-Dimethylnaphthalen-1-yl acetate (CAS 25607-10-7)
- 4-Methyl-N-(pentan-2-yl)pyridin-3-amine (CAS 1344111-70-1)
- 3-(4-Chloro-3-fluorophenyl)propanoic Acid (CAS 881189-65-7)
- 3-(3-methoxybenzoyl)-4H,5H,6H-cyclopenta[b]thiophen-2-amine (CAS 1082867-22-8)
- 6-BROMO-2-ETHOXY-1H-BENZO[D][1,3]OXAZIN-4(2H)-ONE (CAS 2168814-75-1)
- (DTyr27,36,DThr32)-Neuropeptide Y (27-36) (CAS 163887-48-7)
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