Memantine impurity 57 CAS CATO-C4X-105857
| CAS No. | CATO-C4X-105857 |
| Molecular Formula | C16H19BrO |
| Molecular Weight | 307.23 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Memantine impurity 57 (CAS CATO-C4X-105857), a pharmacopoeial impurity reference standard (molecular formula C16H19BrO, MW 307.23 g/mol) used for the identification and quantification of trace impurities in APIs.
The molecular framework of Memantine impurity 57 (C16H19BrO) is characterized by a hydroxyl group, an ether linkage, bromine substitution, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 Memantine impurity 57 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 | C16H19BrO |
| Molecular Weight | 307.23 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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 |
| Halogen Content | Br-containing |
Related Memantine Standards
- Memantine Impurity 61 (CAS 111035-07-5)
- Memantine Dedimethyl Dibromo (CAS 1797133-04-0)
- Memantine Impurity 63 (CAS 875211-09-9)
- Memantine Impurity 66 (CAS CATO-C4X-105866)
- Memantine Glycine tert-Butyl Ester (CAS 1537550-23-4)
- Memantine impurity 58 (CAS 49764-18-3)
- Memantine Impurity 62 (CAS 14931-70-5)
- Memantine Impurity 64 (CAS 2123482-13-1)
Recommended Standards
- 279228-81-8 3-amino-2-hydroxy-2-methyl-N-[4-nitro-3-(trifluoromethyl)phenyl]propanamide DTXSID70434297 (CAS 279228-81-8)
- Pazufloxacin Impurity 11 (CAS 165071-10-3)
- tert-butyl 4-(3-bromopropyl)piperazine-1-carboxylate (CAS 655225-02-8)
- Apalutamide impurity 92 (CAS CATO-C4X-274992)
- Terbutaline Impurity 60 (CAS 35086-59-0)
- Lisinopril impurity 29 (CAS 1496563-44-0)
- Memantine Impurity N1(Mixture of Diastereomers) (CAS 16207-81-1)
- Paliperidone Impurity 127 (CAS CATO-C4X-1724127)
- Methyl 1-Boc-3-oxopiperidine-2-carboxylate (CAS 122019-53-8)
- 6-((((9h-Fluoren-9-yl)methoxy)carbonyl)amino)-4,4-dimethylhexanoic acid (CAS 1493713-31-7)
- tert-Butyl(((5S)-5-((4-fluorophenoxy)methyl)tetrahydrofuran-2-yl)oxy)dimethylsilane (CAS 220623-68-7)
- 2-Methoxythiophene-3-carboxylic acid (CAS 71154-29-5)
- 3-(1H-pyrrol-1-yl)propane-1,2-diol (CAS 96625-77-3)
- (Pro3)-Gastric Inhibitory Polypeptide (human) trifluoroacetate salt (CAS 299898-52-5)
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