Labelled Omeprazole, which binds covalently to proton pump, it inhibits gastric secretion. Used as an anttiulcerative.||Synonyms:|6-(Methoxy-d3)-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-be nzimidazole-4,5,7-d3; rac- Esomeprazole-d3; 6-(methoxy-d3)-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-Benzimidazole||CAS No:|922731-01-9|73590-58-6 unlabeled||Molecular Formula:|C17H16D3N3O3S||Molecular Weight:|348.43||Purity:|≥95%||Appearance:|White to brown solid||Melting Point:|>100°C (dec.) (lit)||Solubility:|DMSO (Slightly), Methanol (Slightly)||Method for Detemining Identity:|Proton NMR Spectroscopic analysis and Mass Spectrometric analysis||Storage and Stability:|May be stored at RT for short-term only. Long-term storage is recommended at -20°C. Stable for 6 months after receipt. For maximum recovery of product, centrifuge the original vial prior to removing the cap. ||Important Note: |This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological. ||Toxicity and Hazards: |All products should be handled by qualified personnel only, trained in laboratory procedures.