Omeprazole-d CAS 934293-91-1
| CAS No. | 934293-91-1 |
| Molecular Formula | - |
| Molecular Weight | 351.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies Omeprazole-d (CAS 934293-91-1), a certified reference material (molecular formula C17H13D6N3O3S, MW 351.45 g/mol) for analytical method development and quality control.
Based on its molecular formula C17H13D6N3O3S, Omeprazole-d contains deuterium isotope labeling, a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 351.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), Omeprazole-d 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 | C17H13D6N3O3S |
| Molecular Weight | 351.45 g/mol |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Omeprazole Standards
- Omeprazole EP Impurity H (CAS 863029-89-4)
- Omeprazole EP Impurity H (CAS CATO-C4X-111298)
- Omeprazole-13C,D3 (CAS 1261395-28-1)
- Omeprazole-4-methoxy-d (CAS 922731-10-0)
- Omeprazole-d3 (CAS 922731-01-9)
- Omeprazole-d3 (benzimidazole-4,6,7-d3) (CAS 934293-92-2)
- Omeprazole Impurity 101 (CAS 1346600-70-1)
- Omeprazole Impurity 17 (CAS CATO-C4X-125517)
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