83307-55-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83307-55-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,3,0 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 83307-55:
(7*8)+(6*3)+(5*3)+(4*0)+(3*7)+(2*5)+(1*5)=125
125 % 10 = 5
So 83307-55-5 is a valid CAS Registry Number.
83307-55-5Relevant academic research and scientific papers
Achmatowicz, O. Jr.,Szymoniak, J.
, p. 1299 - 1302 (1982)
The action of di-n-heptylsulphide on diethyl 2,3-dicyanooxiran-2,3-dicarboxylate yields ethoxalyl cyanide, a new dieno- and enophile with active CO group.
