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1217446-89-3

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1217446-89-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1217446-89-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,4,4 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1217446-89:
(9*1)+(8*2)+(7*1)+(6*7)+(5*4)+(4*4)+(3*6)+(2*8)+(1*9)=153
153 % 10 = 3
So 1217446-89-3 is a valid CAS Registry Number.

1217446-89-3Downstream Products

1217446-89-3Relevant academic research and scientific papers

Sequential catalytic reactions for the synthesis of benzofulvenes using an iridium complex with dual function

Tsuchikama, Kyoji,Kasagawa, Mitsugu,Endo, Kohei,Shibata, Takanori

, p. 97 - 100 (2010)

The cationic iridium complex ([Ir(cod)2]OTf + racBINAP) efficiently catalyzed a sequential process of ortho-C-H bond functionalization, cyclization and dehydration, leading to a concise preparation of 1 -methylene indene (benzofulvene) derivatives. The iridium complex operated as a catalyst in the ortho-C-H bond alkenylation of aryl ketones with alkynes and as a Lewis acid catalyst in the cyclization of the alkenylated product and the subsequent dehydration. Georg Thieme Verlag Stuttgart.

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