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449170-24-5

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449170-24-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 449170-24-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,9,1,7 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 449170-24:
(8*4)+(7*4)+(6*9)+(5*1)+(4*7)+(3*0)+(2*2)+(1*4)=155
155 % 10 = 5
So 449170-24-5 is a valid CAS Registry Number.

449170-24-5Relevant articles and documents

Substituted 2-anilines as Potential Inhibitors of H+/K+ ATPase

Adelstein, Gilbert W.,Yen, Chung H.,Haack, Richard A.,Yu, Stella,Gullikson, Gary,et al.

, p. 1215 - 1220 (1988)

A series of substituted 2-anilines were synthesized as potential inhibitors of the acid secretory enzyme H+/K+ ATPase.Substitutions on the aniline nitrogen atom resulted in potent enzyme inhibition in vitro but weak activity in gastric fistula dogs.Electron-donating substituents on the aniline ring enhanced in vitro and in vivo potency relative to the unubstituted analogue.The potency showed a correlation to the calculated pKa of the aniline nitrogen atom.Substitutions on the aniline and benzimidazole rings did not further enhance potency.Di- and trisubstituted aniline derivatives were potent inhibitors of the enzyme system.The preferred combination of substituents were a methoxy group on the benzimidazole ring and a single alkyl group on the aniline ring.One such compound, 76, was an effective inhibitor of acid secretion in the dog and was selected for further pharmacological study.

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