Hydroxychloroquine sulfate CAS 747-36-4
| CAS No. | 747-36-4 |
| Molecular Formula | C18H26ClN3O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies Hydroxychloroquine sulfate (CAS 747-36-4), a certified reference material (molecular formula C18H26ClN3OH2O4S, MW 433.95 g/mol) for analytical method development and quality control.
Based on its molecular formula C18H26ClN3OH2O4S, Hydroxychloroquine sulfate contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 433.95 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.
CATO manufactures Hydroxychloroquine sulfate 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 | C18H26ClN3O H2O4S |
| Molecular Weight | 433.95 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Hydroxychloroquine Standards
- Hydroxychloroquine Impurity 75 (CAS 100713-49-3)
- Hydroxychloroquine EP Impurity B (CAS 103152-84-7)
- Hydroxychloroquine EP Impurity B Hydrogen sulfate (CAS 103152-84-7(free base))
- Hydroxychloroquine EP Impurity E (CAS 10500-64-8)
- Hydroxychloroquine Impurity 32 (CAS 106007-99-2)
- Hydroxychloroquine Impurity 30 (CAS 1077-74-3)
- Hydroxychloroquine Impurity 53 (CAS 109-83-1)
- Hydroxychloroquine D5 (CAS 118-42-3(Unlabelled))
Recommended Standards
- 2-[4-[(2,5-Difluorobenzyl)oxy]phenoxy]-5-ethoxyaniline (CAS 223104-29-8)
- Ethyl 4-Amino-1-ethylpiperidine-4-carboxylate (CAS 500993-26-0)
- 2-(2,6-Dichlorophenyl)pyrimidin-4-amine (CAS 1250691-12-3)
- Diisobutylsulfone (CAS 10495-45-1)
- Ethyl 3-amino-2-(pyridin-3-ylmethyl)propanoate (CAS 1038361-17-9)
- 4-Cyclopropyl-1h-imidazol-2-amine (CAS 1141669-79-5)
- 1-(5-((4,5-Diphenyl-1H-imidazol-2-yl)sulfinyl)pentyl)-3,5-dimethyl-1H-pyrazole (CAS 136609-53-5)
- N-Hexadecylpalmitamide (CAS 7332-71-0)
- (±)-Triadimefon-d4 (CAS CATO-CCPD101807)
- Hexapeptide-11 (CAS 161258-30-6)
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