Cas 69812-75-5,4-methyl-5-phenyl-3-(α-cyanoethylidene)-1,2-dithiolene

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Check Digit Verification of cas no

The CAS Registry Mumber 69812-75-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,8,1 and 2 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 69812-75:
(7*6)+(6*9)+(5*8)+(4*1)+(3*2)+(2*7)+(1*5)=165
165 % 10 = 5
So 69812-75-5 is a valid CAS Registry Number.

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69812-75-5Relevant academic research and scientific papers

CYCLOADDITION OF 4-METHYL-5-PHENYL-1,2-DITHIOLENE-3-THIONE TO ALKENES

Drozd, V. N.,Udachin, Yu. M.,Sergeichuk, V. V.,Bogomolova, G. S.

, p. 395 - 400 (2007/10/02)

Trithiones (4-methyl-5-phenyl-1,2-dithiolene-3-thione) react with strained alkenes (thermally) and with alkenes containing electron-donating substituents (photochemically) by a cycloaddition mechanism with simultaneous opening of the 1,2-dithiolene ring and the formation of 2-(α-thioacylalkylidene)-1,3-dithiolanes.An alkene with an electron-accepting substituent (methacrylonitrile) reacts photochemically.The initial event of the reaction involves -cycloaddition of the olefin at the exocyclic carbon-sulfur double bond.The final products are 4-methyl-5-phenyl-3-(α-cyanoethylidene)-1,2-dithiolene and 4',5-dimethyl-5'-phenyl-5-cyano-1,3-dithiane-4-spiro-3'-(1',2'-dithiolene).

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