(S)-Hydroxychloroquine, >98% CAS 137433-24-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 137433-24-0 |
| Molecular Formula | C18H26ClN3O |
| Molecular Weight | 335.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (S)-Hydroxychloroquine, >98% (CAS 137433-24-0), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H26ClN3O. Molecular weight: 335.87 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H26ClN3O |
| Molecular Weight | 335.87 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related S Standards
- Hydroxychloroquine Impurity 12 (CAS CATO-C4X-183512)
- Hydroxychloroquine Impurity 13 (CAS 2411340-31-1)
- Hydroxychloroquine R-isomer Impurity (CAS 137433-23-9)
- Hydroxychloroquine impurity 78 (CAS CATO-C4X-183578)
- Hydroxychloroquine Impurity 97 (CAS CATO-C4X-183597)
- Hydroxychloroquine Impurity 36 (CAS CATO-C4X-183536)
- Hydroxychloroquine Impurity 41 (CAS 91828-61-4)
- Hydroxychloroquine Impurity 90 (CAS CATO-C4X-183590)
Recommended Standards
- 3-Chloro-5-((4-isopropylpiperazin-1-yl)sulfonyl)pyridine-4-thiol (CAS 1352499-36-5)
- S(+)-Hydroxy chloroquine Diphosphate (CAS 158749-76-9)
- 1,4-Diiodobenzene-13C6 (CAS 1246817-17-3)
- Methyl 2-(4-Methoxybenzyl)oxazole-4-carboxylate (CAS 852639-65-7)
- 2,5-Difluoro-N-methoxy-N-methylnicotinamide (CAS 1263316-53-5)
- Ethyl (E)-5-methylhex-2-enoate (CAS 2351-89-5)
- Ethyl 4-Chloropicolinate (CAS 64064-56-8)
- 2-chloro-N-cyclopropyl-N-[(4-methylphenyl)methyl]acetamide (CAS 1181747-39-6)
- Pentafluoro Pentanethiol (CAS 148757-88-4)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
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 13829788188 / jacky.chen@cato-chem.com