Cas 71653-07-1,C<sub>19</sub>H<sub>22</sub>S

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Check Digit Verification of cas no

The CAS Registry Mumber 71653-07-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,6,5 and 3 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 71653-07:
(7*7)+(6*1)+(5*6)+(4*5)+(3*3)+(2*0)+(1*7)=121
121 % 10 = 1
So 71653-07-1 is a valid CAS Registry Number.

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71653-07-1Relevant academic research and scientific papers

Vinylborane and vinyichalcogenide mediated syntheses of tri- and tetrasubstituted olefins from 1-alkynes

Gerard, Julien,Bietlot, Emerance,Hevesi, Laszlo

, p. 8735 - 8738 (1998)

The title olefins have been prepared with high regio- and stereocontrol from 1-alkynes through vinyl boranes 1 vinyl chalcogenides; the reaction sequences involved protonolysis or transmetallation - alkylation of the boranes followed by an Ni(0) catalyzed coupling reaction.

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