Cas 1016232-21-5,C<sub>21</sub>H<sub>22</sub>

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Check Digit Verification of cas no

The CAS Registry Mumber 1016232-21-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,6,2,3 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1016232-21:
(9*1)+(8*0)+(7*1)+(6*6)+(5*2)+(4*3)+(3*2)+(2*2)+(1*1)=85
85 % 10 = 5
So 1016232-21-5 is a valid CAS Registry Number.

1016232-21-5Upstream product

32749-90-9 1-(2,2-diphenylvinylidene)-2,2,3,3-tetramethylcyclopropane

1016232-21-5Downstream Products

1016232-21-5Relevant academic research and scientific papers

Bronsted acid mediated novel rearrangements of diarylvinylidenecyclopropanes and mechanistic investigations based on DFT calculations

Li, Wei,Shi, Min,Li, Yuxue

scheme or table, p. 8852 - 8860 (2010/04/04)

Diarylvinylidenecyclopropanes undergo a novel rearrangement in the presence of the Bronsted acid Tf2NH (Tf: trifluoromethanesulfonyl) to give the corresponding naphthalene derivatives in good to high yields upon heating, whereas in the presence

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