Cas 124089-57-2,C<sub>19</sub>H<sub>20</sub>S

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Check Digit Verification of cas no

The CAS Registry Mumber 124089-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,4,0,8 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 124089-57:
(8*1)+(7*2)+(6*4)+(5*0)+(4*8)+(3*9)+(2*5)+(1*7)=122
122 % 10 = 2
So 124089-57-2 is a valid CAS Registry Number.

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124089-57-2Relevant academic research and scientific papers

PREPARATION OF 1-PHENYLTHIO-1,3-DIENES BY REACTION OF 2,5-DIHYDROTHIOPHENES WITH BENZYNE THROUGH FRAGMENTATION OF SULFONIUM YLIDE INTERMEDIATES

Nakayama, Juzo,Kumano, Yuichi,Hoshino, Masamatsu

, p. 847 - 850 (2007/10/02)

The reaction of a series of 2,5-dihydrothiophenes with benzyne, generated from 2-carboxybenzenediazonium chloride, affords 1-phenylthio-1,3-dienes in good yields through the fragmentation of sulfonium ylide intermediates.

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