Amisulpride EP Impurity B Hydrobromide CAS 2437254-41-4
| CAS No. | 2437254-41-4 |
| Molecular Formula | C16H25N3O4S |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Amisulpride EP Impurity B Hydrobromide (CAS 2437254-41-4) is a certified pharmaceutical impurity reference standard with the molecular formula C16H25N3O4SHBr and a molecular weight of 436.37 g/mol.
Amisulpride EP Impurity B Hydrobromide (C16H25N3O4SHBr) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C16H25N3O4S HBr |
| Molecular Weight | 436.37 g/mol |
| Purity | >95% |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Amisulpride Standards
- Amisulpride Impurity 44 (CAS 1119455-01-4)
- Amisulpride Impurity 45 (CAS 1175090-85-3)
- Amisulpride-d5 (CAS 1216626-17-3)
- Amisulpride Impurity 27 (CAS 1258980-24-3)
- 5'-Oxo amisulpride, 98% (CAS 1391052-47-3)
- Amisulpride EP Impurity H (CAS 1391054-22-0)
- Amisulpride EP Impurity H HCl (CAS 1391054-22-0(free base))
- Amisulpride EP Impurity B (CAS 148516-54-5)
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