109765-49-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109765-49-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,7,6 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109765-49:
(8*1)+(7*0)+(6*9)+(5*7)+(4*6)+(3*5)+(2*4)+(1*9)=153
153 % 10 = 3
So 109765-49-3 is a valid CAS Registry Number.
109765-49-3Relevant academic research and scientific papers
Wriede, Ulrich,Fernandez, Mario,West, Kevin F.,Harcourt, Dale,Moore, Harold W.
, p. 4485 - 4489 (1987)
Syntheses of a large number of halodimethoxy-1,2-benzoquinones are described.A key reaction in these syntheses is the chlorination of methoxy-1,2-benzoquinones upon treatment with tert-butyl hypochlorite.
