Omeprazole
(86694532 | 73590-58-6)

CAS: 73590-58-6
Molecular Formula: C17H19N3O3S
Molecular Weight: 345.42
Availablility: In Stock
Downloads: Product Specification | Safety Data Sheet [EN]
Omeprazole Chemical Structure

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Safety Data Sheet
Certificate of Analysis

Product Detail
Product Code 86694532
Product Name Omeprazole
Categories Bioactive Small Molecules Research Organics & Inorganics
CAS 73590-58-6
Molecular Formula C17H19N3O3S
Molecular Weight 345.42
Storage Details 2 to 8 °C
Harmonised Tariff Code 2933399990

Product Specification
Grade USP39
Heavy metals ≤0.002%
Loss on Drying ≤0.5%
Residue on Ignition ≤0.1%
Total Impurities ≤1.0%
Absorbance Not greater than 0.10 at 440nm (≤350ppm)
Appearance A white or almost white powder
Assay ( HPLC ) 98.0% - 102.0%
Any other individual impurity ≤0.10%
Residual solvent - acetone ≤1500ppm
Residual Solvent - Methanol ≤1000ppm
Residual solvent - methylene chloride ≤ 100ppm
Residual solvent - Toluene ≤ 300ppm
Residual solvent - Benzene ≤1ppm
5-Methoxy-1H-benzimidazol-2-thiol ≤0.15%
Omeprazole N-oxide ≤0.15%
Omeprazole sulfone N-oxide ≤0.15%
Desmethoxy omeprazole ≤0.15%
Omeprazole sulfone ≤0.15%
Omeprazole 4-chloroanalog ≤0.15%
Ufiprazole ≤0.15%

Safety Information
Pictograms
Exclamation Mark
Signal word warning
Hazard statements
  • H315: Causes skin irritation

  • H319: Causes serious eye irritation

  • H335: May cause respiratory irritation
Precautionary statements
  • P261: Avoid breathing dust/fume/gas/mist/vapours/

  • P280: Wear: protective gloves/ clothing & eye protection

  • P305+351+338: IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing

  • P321: Specific treatment (see ... on this label)

  • P405: Store locked up

  • P501: Dispose of contents/container to an approved waste disposal plant