Venlafaxine EP Impurity H（Mixture of Enantiomers） CAS 1329795-88-1
| CAS No. | 1329795-88-1 |
| Molecular Formula | C24H33NO3 |
| Molecular Weight | 383.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, Venlafaxine EP Impurity H（Mixture of Enantiomers） is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 383.52 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Venlafaxine EP Impurity H（Mixture of Enantiomers） (CAS 1329795-88-1) is a certified pharmaceutical impurity reference standard with the molecular formula C24H33NO3 and a molecular weight of 383.52 g/mol.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
As a certified reference material (CRM), Venlafaxine EP Impurity H（Mixture of Enantiomers） 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 | C24H33NO3 |
| Molecular Weight | 383.52 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Related Venlafaxine Standards
- Venlafaxine Impurity 70 (CAS CATO-C4X-143470)
- Venlafaxine Impurity 68 (CAS CATO-C4X-143468)
- Venlafaxine Impurity N2 (CAS 1346601-14-6)
- Venlafaxine impurity 56 (CAS 916918-81-5)
- Venlafaxine Impurity 11 (CAS CATO-C4X-143411)
- Venlafaxine Impurity 12 (CAS CATO-C4X-143412)
- Venlafaxine Impurity 13 (CAS 1346601-21-5)
- Venlafaxine Impurity 57 (CAS 93413-61-7)
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