68438-11-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68438-11-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,4,3 and 8 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 68438-11:
(7*6)+(6*8)+(5*4)+(4*3)+(3*8)+(2*1)+(1*1)=149
149 % 10 = 9
So 68438-11-9 is a valid CAS Registry Number.
68438-11-9Relevant academic research and scientific papers
Thiono and Dithio Esters, XXVIII. - -Cycloadditions with Tetrathiooxalates
Hartke, Klaus,Quante, Josef,Kaempchen, Thomas
, p. 1482 - 1488 (2007/10/02)
Dimethyl tetrathiooxalate (2) reacts with dienes as a -component and with olefins or acetylenes as a -component to form -cycloadducts.