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Tenatoprazole sodium

Catalog No. T61445 CAS 335299-59-7

Tenatoprazole sodium (TU-199 sodium) is a potent proton pump inhibitor that effectively suppresses the activity of hog gastric H+/K+-ATPase, a vital enzymatic pump involved in acid secretion. It achieves this inhibition at an impressive IC50 value of 6.2 μM.

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Tenatoprazole sodium, CAS 335299-59-7

Pack Size	Availability	Price/USD
25 mg	6-8 weeks	$ 1,520.00
50 mg	6-8 weeks	$ 1,980.00
100 mg	6-8 weeks	$ 2,500.00

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Biological Description

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Description	Tenatoprazole sodium (TU-199 sodium) is a potent proton pump inhibitor that effectively suppresses the activity of hog gastric H+/K+-ATPase, a vital enzymatic pump involved in acid secretion. It achieves this inhibition at an impressive IC50 value of 6.2 μM.
In vitro	Tenatoprazole, a prodrug in the proton pump inhibitor class, demonstrates inhibition of gastric H+/K+-ATPase activity in pigs with potency nearly equivalent to omeprazole, exhibiting IC50 values of 6.2 and 4.2 microM, respectively [1]. Upon activation by stomach acid in the secretory canaliculus of stimulated parietal cells, tenatoprazole transforms into an active sulfenamide or sulfenic acid. This active form establishes a disulfide bond with accessible cysteine residues on the gastric H+/K+-ATPase, effectively halting acid secretion. Notably, tenatoprazole associates with the acid pump's catalytic subunit with a binding ratio of 2.6 nmol per mg of enzyme [2].
In vivo	Tenatoprazole effectively inhibits basal gastric acid secretion in pylorus-ligated rats in a dose-dependent manner, with an ED 50 value of 4.2 mg/kg orally. Additionally, at doses of 2.5 and 5 mg/kg intraduodenally, it suppresses gastric acid secretion induced by histamine, carbachol, or tetragastrin in gastric fistula rats. It also protects against various gastric and duodenal lesions induced by stress, pylorus ligation, indomethacin, and mepirizole. Notably, tenatoprazole achieves maximum enzyme binding of 2.9 nmol/mg 2 hours after intravenous administration, with binding sites located in the TM5/6 region at Cys813 and Cys822. The bioavailability of tenatoprazole is significantly enhanced in the (S)-tenatoprazole sodium salt hydrate form, showing a two-fold increase compared to its free form in dogs.

Molecular Weight	368.39
Formula	C16H17N4NaO3S
CAS No.	335299-59-7

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Powder: -20°C for 3 years | In solvent: -80°C for 1 year

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Tenatoprazole sodium 335299-59-7 inhibitor inhibit

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