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113689-75-1

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113689-75-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113689-75-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,6,8 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 113689-75:
(8*1)+(7*1)+(6*3)+(5*6)+(4*8)+(3*9)+(2*7)+(1*5)=141
141 % 10 = 1
So 113689-75-1 is a valid CAS Registry Number.

113689-75-1Relevant articles and documents

Synthesis and base-catalyzed cleavage of 1-aryl-4,9-dioxo-1H-naphtho[2,3-d] [1,2,3]triazole 2-oxides

Gornostaev,Dolgushina,Khalyavina,Stashina,Firgang

experimental part, p. 157 - 159 (2011/08/10)

A method was developed for the synthesis of 1H-1-arylnaphtho[2,3-d][1,2,3] triazole-4,9-dione 2-oxides based on 2-arylamino-3-chloro-1,4-naphthoquinones. The reaction of 1H-1-arylnaphtho[2,3-d][1,2,3]triazole-4,9-dione 2-oxides with an ethanolic alkali so

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