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178671-91-5

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178671-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 178671-91-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,6,7 and 1 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 178671-91:
(8*1)+(7*7)+(6*8)+(5*6)+(4*7)+(3*1)+(2*9)+(1*1)=185
185 % 10 = 5
So 178671-91-5 is a valid CAS Registry Number.

178671-91-5Downstream Products

178671-91-5Relevant 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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