Omeprazole metabolite Omeprazole sulfide

Catalog No. Size PriceQuantity
M8242-2 Solid 2 mg $75
M8242-10 Solid 10 mg $225


Ufiprazole (Omeprazole sulfide) is an intermediate used in the production of the gastric proton pump inhibitors omeprazole and esomeprazole.

Product information

CAS Number: 73590-85-9

Molecular Weight: 329.42

Formula: C17H19N3O2S



Omeprazole sulfide

Chemical Name: 6-methoxy-2-{[(4-methoxy-3,5-dimethylpyridin-2-yl)methyl]sulfanyl}-1H-1,3-benzodiazole

Smiles: CC1=CN=C(CSC2NC3=CC(=CC=C3N=2)OC)C(C)=C1OC


InChi: InChI=1S/C17H19N3O2S/c1-10-8-18-15(11(2)16(10)22-4)9-23-17-19-13-6-5-12(21-3)7-14(13)20-17/h5-8H,9H2,1-4H3,(H,19,20)

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Solubility: DMSO : ≥ 38 mg/mL (115.35 mM)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200


  1. Li Y, Yang W, Zhang T, Wang C, Wang K, Hu Y. Solubility of Omeprazole Sulfide in Different Solvents at the Range of 280.35-319.65 K. J Solution Chem. 2013;42(12):2342-2353.
  2. Babiak P, Kyslíková E, Stěpánek V, Valešová R, Palyzová A, Marešová H, Hájíček J, Kyslík P. Whole-cell oxidation of omeprazole sulfide to enantiopure esomeprazole with Lysinibacillus sp. B71. Bioresour Technol. 2011 Sep;102(17):7621-6.

Products are for research use only. Not for human use.

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