Cas 107997-50-2,1H-Benzoimidazole-2-carboxylic acid (3,5-dichloro-phenyl)-amide

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Check Digit Verification of cas no

The CAS Registry Mumber 107997-50-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,9,9 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 107997-50:
(8*1)+(7*0)+(6*7)+(5*9)+(4*9)+(3*7)+(2*5)+(1*0)=162
162 % 10 = 2
So 107997-50-2 is a valid CAS Registry Number.

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107997-50-2Relevant academic research and scientific papers

About the Reactions of Benzimidazole-2-carbohydrazide with Electrophilic Compounds

Graubaum, Heinz,Martin, Dieter

, p. 515 - 521 (2007/10/02)

Benzimidazole-2-carbohydrazide (1) reacts with aldehydes and ketones to form N-alkylidene-benzimidazole-2-carbohydrazides (2a-j).With carbon disulfide, diphenyl carbonate and cyanates, ring closure takes plase to afford 1,2,4-triazines and 1,3,4-oxadiazoles.Attempts to synthesize 2-isocyanato-benzimidazole failed. 1H-n.m.r. and 13C-n.m.r. spectroscopic data of the compounds are given.

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