Hydroxychloroquine R-isomer Impurity CAS 137433-23-9
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 137433-23-9 |
| Molecular Formula | C18H26ClN3O |
| Molecular Weight | 335.87 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Hydroxychloroquine R-isomer Impurity (CAS 137433-23-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C18H26ClN3O. Molecular weight: 335.87 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
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 Hydroxychloroquine Standards
- (S)-Hydroxychloroquine, >98% (CAS 137433-24-0)
- Hydroxychloroquine Impurity 12 (CAS CATO-C4X-183512)
- Hydroxychloroquine Impurity 13 (CAS 2411340-31-1)
- 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
- Chloroquine Phosphate EP Impurity D (Chloroquine USP Related Compound G (Free Form)) (CAS 68121-48-2)
- Tofacitinib Impurity 162 (CAS CATO-C4X-1079162)
- 2-((4-((7-Chloroquinolin-4-yl)amino)pentyl)(ethyl)amino)ethanol (CAS 118-42-3)
- Cefuroxime Sodium EP Impurity F (CAS 97170-19-9)
- Haloperidol Decanoate EP Impurity B (CAS CATO-C4X-146130)
- 2-(2-Bromophenyl)-3-cyclopropyl-3-oxopropanenitrile (CAS 1342272-77-8)
- 4-Iodo-1-naphthonitrile (CAS 140456-96-8)
- 1187830-72-3 4-Methyl-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidine--hydrogen chloride (1/1) DTXSID80717240 (CAS 1187830-72-3)
- 2,2-Bis(aminomethyl)propane-1,3-diamine (CAS 4742-00-1)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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