Serotonin Impurity 8 CAS CATO-C4X-25348
| CAS No. | CATO-C4X-25348 |
| Molecular Formula | C21H19N3O4 |
| Molecular Weight | 377.39 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
As a process- or degradation-related impurity, Serotonin Impurity 8 (CAS CATO-C4X-25348, C21H19N3O4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Serotonin Impurity 8 (C21H19N3O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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.
As a certified reference material (CRM), Serotonin Impurity 8 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H19N3O4 |
| Molecular Weight | 377.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | ≥95% |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
Related Serotonin Standards
- Serotonin Impurity 10 (CAS CATO-C4X-253410)
- Serotonin Impurity 11 (CAS CATO-C4X-253411)
- Serotonin Impurity 13 (CAS 55747-60-9)
- Serotonin Impurity 7 (CAS CATO-C4X-25347)
- Serotonin β-D-Glucuronide (CAS 18186-43-1)
- Serotonin Impurity 3 (CAS CATO-C4X-25343)
- Serotonin Hydrogenoxalate (CAS 3036-16-6)
- Serotonin Impurity 4 (CAS CATO-C4X-25344)
Recommended Standards
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- Minocycline Impurity 71 (CAS CATO-C4X-169971)
- Carboprost Impurity 4 (CAS 62776-96-9)
- Baloxavir Impurity 110 (CAS CATO-C4X-2108110)
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- 3-Fluoro-4-methylbenzonitrile (CAS 170572-49-3)
- 3-Oxo-3,4-dihydro-2H-benzo[b][1,4]thiazine-6-carboxylic acid (CAS 272437-84-0)
- 1-Methyl-3-phenyl-1H-pyrazole-4-carbaldehyde (CAS 304477-40-5)
- methyl 4-amino-5-phenylpentanoate hydrochloride (CAS 1423033-58-2)
- 9-Phenoxyacridine (CAS 2148-14-3)
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