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163531-21-3

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163531-21-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 163531-21-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,3,5,3 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 163531-21:
(8*1)+(7*6)+(6*3)+(5*5)+(4*3)+(3*1)+(2*2)+(1*1)=113
113 % 10 = 3
So 163531-21-3 is a valid CAS Registry Number.

163531-21-3Relevant articles and documents

Ring-closing olefin metathesis for the synthesis of fused nitrogen heterocycles

Martin, Stephen F.,Chen, Hui-Ju,Courtney, Anne K.,Liao, Yusheng,Paetzel, Michael,Ramser, Melissa N.,Wagman, Allan S.

, p. 7251 - 7264 (2007/10/03)

A novel technique for the efficient synthesis of fused nitrogen heterocycles containing various combinations of five- and eight-membered rings has been developed. This method features the ring-closing metathesis (RCM), which is catalyzed by the molybdenum

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