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84755-50-0

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84755-50-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84755-50-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,7,5 and 5 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 84755-50:
(7*8)+(6*4)+(5*7)+(4*5)+(3*5)+(2*5)+(1*0)=160
160 % 10 = 0
So 84755-50-0 is a valid CAS Registry Number.

84755-50-0Relevant articles and documents

The Reduction of Some o-Nitrophenylazo Dyes with Glucose: A General Synthesis of 2-Aryl-2H-benzotriazole 1-Oxides

Rosevear, Judi,Wilshire, John F. K.

, p. 2089 - 2093 (2007/10/02)

The reduction of some representative o-nitrophenylazo dyes in ethanolic alkali with glucose gives the corrsponding 2-aryl-2H-benzotriazole 1-oxides in excellent yield.These 1-oxides are rapidly reduced to the parent benzotriazoles at room temperature by means of zinc dust/ethanolic alkali.This method provides a convenient preparation for 5-chlorobenzotriazoles, which are otherwise readily dechlorinated by zinc dust under more vigorous conditions

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