Hydroxychloroquine Impurity 49 CAS 58175-86-3
| CAS No. | 58175-86-3 |
| Molecular Formula | C18H26ClN3 |
| Molecular Weight | 319.87 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H26ClN3, Hydroxychloroquine Impurity 49 contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 319.87 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 supplies Hydroxychloroquine Impurity 49 (CAS 58175-86-3), a pharmacopoeial impurity reference standard (molecular formula C18H26ClN3, MW 319.87 g/mol) used for the identification and quantification of trace impurities in APIs.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO manufactures Hydroxychloroquine Impurity 49 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 | C18H26ClN3 |
| Molecular Weight | 319.87 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.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Hydroxychloroquine Standards
- Hydroxychloroquine Impurity 50 (CAS 58175-87-4)
- Hydroxychloroquine Impurity 88 (CAS CATO-C4X-183588)
- Hydroxychloroquine Impurity 73 (CAS CATO-C4X-183573)
- Hydroxychloroquine Impurity 3 (CAS 137433-25-1)
- Hydroxychloroquine EP Impurity C (CAS 4298-15-1)
- Hydroxychloroquine Impurity 90 (CAS CATO-C4X-183590)
- Hydroxychloroquine Impurity 41 (CAS 91828-61-4)
- Hydroxychloroquine Impurity 36 (CAS CATO-C4X-183536)
Recommended Standards
- 5-Chloro-7-decylquinolin-8-ol (CAS 88559-42-6)
- 4-Chloro-N,N-dicyclohexylbenzamide (CAS 349089-31-2)
- Chloroquine (CAS 54-05-7)
- 4-(Benzylsulfanyl)-7-chloro-2,3-dihydro-1,5-benzothiazepine (CAS 303987-55-5)
- Metaraminol Impurity 20 (CAS 1602857-90-8)
- Ivabradine impurity 82 (CAS 73344-75-9（free base))
- Oseltamivir Impurity 168 (CAS CATO-C4X-1720168)
- 1-(3-Methoxyphenyl)propan-2-ol (CAS 34322-78-6)
- (3-Cyanophenyl)methanesulfonyl chloride (CAS 56106-01-5)
- 2-Chloro-6-methylpyridine-3-carboxamide (CAS 54957-84-5)
- 1,3-Bis(4-formylphenylethynyl)benzene (CAS 192188-61-7)
- (2S)-2-amino-N-methyl-4-(methylsulfanyl)butanamide hydrochloride (CAS 94847-37-7)
- 5-(1-Chloroethyl)furo[2,3-b]pyridine (CAS 185221-69-6)
- Semaglutide impurity 84 (CAS CATO-C4X-222684)
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