89543-06-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89543-06-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,5,4 and 3 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89543-06:
(7*8)+(6*9)+(5*5)+(4*4)+(3*3)+(2*0)+(1*6)=166
166 % 10 = 6
So 89543-06-6 is a valid CAS Registry Number.
89543-06-6Relevant academic research and scientific papers
Martin, Hans-Dieter,Iden, Ruediger,Mais, Franz-Josef,Kleefeld, Gerd,Steigel, Alois,et al.
, p. 5469 - 5472 (1983)
The cycloaddition of diazoalkanes to cyclobutenones proves to be a useful access to diazatropone derivatives.