83990-78-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83990-78-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,9,9 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83990-78:
(7*8)+(6*3)+(5*9)+(4*9)+(3*0)+(2*7)+(1*8)=177
177 % 10 = 7
So 83990-78-7 is a valid CAS Registry Number.
83990-78-7Relevant academic research and scientific papers
Tomoda, Shuji,Takeuchi, Yoshito,Nomura, Yujiro
, p. 871 - 872 (1982)
The reaction of simple olefins with phenyl selenocyanate in the presence of a Lewis acid provided 2-phenylseleno carbonitriles, the vicinal cyanoselelenylation products, stereoselectively in excellent yields.