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872690-16-9

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872690-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 872690-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,6,9 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 872690-16:
(8*8)+(7*7)+(6*2)+(5*6)+(4*9)+(3*0)+(2*1)+(1*6)=199
199 % 10 = 9
So 872690-16-9 is a valid CAS Registry Number.

872690-16-9Downstream Products

872690-16-9Relevant articles and documents

Synthesis of substituted 4-amino-2-benzazepin-3-ones via N-acyliminium ion cyclizations

Ballet, Steven,Urbanczyk-Lipkowska, Zofia,Tourwé, Dirk

, p. 2791 - 2795 (2007/10/03)

Two versatile syntheses of 1- and 1,2-disubstituted 2-benzazepinones are presented, using N-acyliminium ions as reactive intermediates. The methodology for 1-substitution is based on the synthesis of benzotriazole adducts, which are cyclized upon addition

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