多潘立酮杂质19 CAS 62780-92-1
| CAS No. | 62780-92-1 |
| Molecular Formula | C10H12N2O2 |
| Molecular Weight | 192.21 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 192.21 g/mol gives 多潘立酮杂质19 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
多潘立酮杂质19 (CAS 62780-92-1) is a certified pharmaceutical impurity reference standard with the molecular formula C10H12N2O2 and a molecular weight of 192.21 g/mol.
多潘立酮杂质19 (C10H12N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
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.
Physical & Chemical Properties
| Molecular Formula | C10H12N2O2 |
| Molecular Weight | 192.21 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 2 |
Recommended Standards
- (2E)-N-(2-Ethylphenyl)-2-(hydroxyimino)acetamide 7509-61-7 9193AE C10H12N2O2 (CAS 7509-61-7)
- Milnacipran Impurity 13 (CAS 19532-98-0)
- 7501-09-9 Benzoic acid,4-methoxy-3-(2-propen-1-yl)- CTK5E0916 (CAS 7501-09-9)
- Milnacipran impurity 34 (CAS CATO-C4X-103334)
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- 3-Amino-2-hydroxy-N,N,6-trimethylbenzamide (CAS 654683-53-1)
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