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94059-20-8

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94059-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94059-20-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,0,5 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 94059-20:
(7*9)+(6*4)+(5*0)+(4*5)+(3*9)+(2*2)+(1*0)=138
138 % 10 = 8
So 94059-20-8 is a valid CAS Registry Number.

94059-20-8Relevant articles and documents

Benzoxadiazines: Part I - Synthesis of 7-Hydroxy-3-aryl-5-undecyl-4,1,2-benzoxadiazin-6H-ones and Their Fused Heterocycles

Nageswar, Y. V. D.,Suhasini, K.,Prasad, D. Rajeshwara,Rao, T. V. Padmanabha

, p. 874 - 876 (2007/10/02)

7-Hydroxy-3-aryl-5-undecyl-4,1,2-benzoxadiazin-6H-ones (Va-e) have been obtained by the reaction of embelin (I) with aromatic acid hydrazides(IIa-e).Their structures were confirmed by converting them to the corresponding 3-aryl-5-undecyl-11H--oxadiazinophenazines (VIIIa-e).A possible pathway involving the formation of enamine intermediate (III) and its subsequent cyclisation to V is suggested.

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