Esomeprazole magnesium hydrate
Esomeprazole magnesium hydrate (CAS 668985-31-7), with the empirical formula C34H36MgN6O6S2 · xH2O, is a white to off-white powder. It is the S-isomer of omeprazole and functions as a proton pump inhibitor. Primarily utilised in research and development settings for its role in biological and chemical studies, it serves as a valuable reagent for investigating cellular processes and signalling pathways.
- IUPAC
- (S)-Omeprazole magnesium hydrate,(T-4)-Bis[6-methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl-κO]-1H-benzimidazolato-κN3]-Magnesium hydrate,Nexium hydrate
- Synonyms
- (S)-Omeprazole magnesium hydrate(T-4)-Bis[6-methoxy-2-[(S)-[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl-κO]-1H-benzimidazolato-κN3]-Magnesium hydrateNexium hydrate

Research and Development
Utilised as a chemical reagent in laboratory settings for investigating biological pathways, cellular signalling, and ion channel function. Its specific enantiomeric form makes it valuable for stereoselective studies.
Biochemical Studies
Employed in biochemical research to explore the mechanisms of proton pump inhibition and its effects on cellular acid secretion. Useful for understanding enzyme kinetics and drug interactions.
Drug Discovery
Serves as a reference compound or starting material in the discovery and development of new therapeutic agents targeting gastric acid-related disorders.
| Empirical formula | C34H36MgN6O6S2 · xH2O |
|---|---|
| Assay | ≥98% (HPLC) |
| Form | powder |
| Colour | white to off-white |
| Solubility | DMSO: ≥5 mg/mL |
| Storage temperature | 2-8°C |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Esomeprazole magnesium hydrate used for?
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Esomeprazole magnesium hydrate is primarily used as a chemical reagent in research and development settings for investigating biological pathways, cellular signalling, and ion channel function. It is also employed in biochemical studies and drug discovery.
What is the CAS number and formula for Esomeprazole magnesium hydrate?
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The CAS number for Esomeprazole magnesium hydrate is 668985-31-7, and its empirical formula is C34H36MgN6O6S2 · xH2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Esomeprazole magnesium hydrate with a purity of ≥98% (HPLC). We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Esomeprazole magnesium hydrate be handled and stored?
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Esomeprazole magnesium hydrate is classified as harmful if swallowed (H302) and requires appropriate personal protective equipment, including eyeshields, gloves, and an appropriate respirator filter (type N95 or P1). It should be stored at 2-8°C.
Is Esomeprazole magnesium hydrate a controlled substance?
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Based on the provided data, Esomeprazole magnesium hydrate is not indicated as a controlled substance.
How is Esomeprazole magnesium hydrate packed and exported?
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Tech Serve Solutions supplies Esomeprazole magnesium hydrate in various pack sizes suitable for laboratory and research use, and we offer global export services.
How can I request a sample or quote for Esomeprazole magnesium hydrate?
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To request a sample or quote for Esomeprazole magnesium hydrate, please contact our sales team through the website or by phone.
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