Vincamine EP Impurity B CAS 6835-99-0
| CAS No. | 6835-99-0 |
| Molecular Formula | C21H26N2O3 |
| Molecular Weight | 354.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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 supplies Vincamine EP Impurity B (CAS 6835-99-0), a pharmacopoeial impurity reference standard (molecular formula C21H26N2O3, MW 354.44 g/mol) used for the identification and quantification of trace impurities in APIs.
Structurally, Vincamine EP Impurity B (C21H26N2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 354.44 g/mol, it falls into the moderately-high-molecular-weight range. 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).
As a certified reference material (CRM), Vincamine EP Impurity B 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 | C21H26N2O3 |
| Molecular Weight | 354.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Related Vincamine Standards
Recommended Standards
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- Rupatadine impurity 9 (CAS 41711-38-0)
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- Perospirone Impurity 26 (CAS CATO-C4X-245826)
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- 1,3-Bis(4-hydroxyphenyl)prop-2-en-1-one (CAS 3600-61-1)
- tert-butyl 1-(chlorosulfonyl)piperidine-4-carboxylate (CAS 1909313-03-6)
- 1-(4-Bromo-3-fluorophenyl)cyclobutanamine (CAS 1314785-90-4)
- (D-Trp32)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 153549-78-1)
Why CATO?
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com