Omeprazole
Omeprazole (CAS 73590-58-6; C17H19N3O3S; MW 345.42) is a chemical compound recognised for its role as a proton pump inhibitor. It is a white solid, soluble in water, ethanol, and DMSO. Omeprazole is widely utilised in research for its biochemical properties and as a reference standard in analytical chemistry. Its applications extend to pharmaceutical research and development.
- IUPAC
- 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole,Antra,Losec
- Synonyms
- 5-Methoxy-2-[[(4-methoxy-3,5-dimethyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazoleAntraLosec

Pharmaceutical Research
Omeprazole serves as a crucial compound in pharmaceutical research and development, particularly in the study of gastric acid secretion and related disorders. Its well-defined mechanism of action makes it valuable for in vitro and in vivo studies.
Analytical Standards
This compound is used as an analytical standard for the quantification and identification of omeprazole in various matrices. Its purity and known properties ensure reliable results in chromatographic and spectroscopic analyses.
Biochemical Investigations
Omeprazole is employed in biochemical research to investigate enzyme inhibition, particularly the H+/K+-ATPase proton pump. It aids in understanding cellular processes and signaling pathways related to gastric function.
| Molecular weight | 345.42 |
|---|---|
| Empirical formula | C17H19N3O3S |
| Form | solid |
| Colour | white |
| Solubility | H2O: soluble0.5 mg/mLDMSO: >19 mg/mLethanol: soluble4.5 mg/mL |
| Storage temperature | 2-8°C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Gene Information | human ... ABCB1(5243), CYP1A2(1544) |
|---|
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 Omeprazole (CAS 73590-58-6) used for?
+
Omeprazole is used in pharmaceutical research and development, as an analytical standard, and for biochemical investigations, particularly concerning proton pump inhibition.
What is the CAS number and chemical formula for Omeprazole?
+
The CAS number for Omeprazole is 73590-58-6, and its chemical formula is C17H19N3O3S.
What grade and purity does Tech Serve Solutions supply for Omeprazole?
+
Tech Serve Solutions supplies Omeprazole as a technical/research grade chemical. We do not represent it as USP, BP, or EP grade.
What are the safety and handling precautions for Omeprazole?
+
Omeprazole is classified as a GHS07 irritant, with a Warning signal word. It carries hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Recommended personal protective equipment includes a dust mask type N95 (US), eyeshields, and gloves. Handle in a well-ventilated area and avoid breathing dust.
How is Omeprazole packed, shipped, and exported by TSS?
+
Omeprazole is carefully packed to ensure stability and integrity during transit. Tech Serve Solutions is experienced in global export procedures for chemicals.
How can I request a sample or quote for Omeprazole?
+
To request a sample or quote for Omeprazole, please contact our sales team through the website or via direct inquiry.
▶ Related products
![(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide (C8H13N3O4) — chemical structure, CAS 138472-01-2; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F138472-01-2.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(E)-hydroxyimino]-5-nitro-3-hexenamide
C8H13N3O4
Biochemicals & Reagents![(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide (C14H18N4O4) — chemical structure, CAS 162626-99-5; Biochemicals & Reagents, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F162626-99-5.png&w=3840&q=75)
(±)-(E)-4-Ethyl-2-[(Z)-hydroxyimino]-5-nitro-3-hexen-1-yl-nicotinamide
C14H18N4O4
Biochemicals & Reagents
(±)-2,5-Dimethoxy-4-bromoamphetamine hydrobromide
Biochemicals & Reagents

(±)-2-(p-Methoxyphenoxy)propionic acid
C10H12O4
Biochemicals & Reagents
(±)-2-Amino-6,7-dihydroxy-1,2,3,4-tetrahydronaphthalene hydrobromide
C10H13NO2·HBr
Biochemicals & Reagents
(±)-2-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxydecanoic acid
C10H20O3
Biochemicals & Reagents
(±)-3-Hydroxyoctanoic acid
C8H16O3
Biochemicals & Reagents▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis