405918-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 405918-90-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,5,9,1 and 8 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 405918-90:
(8*4)+(7*0)+(6*5)+(5*9)+(4*1)+(3*8)+(2*9)+(1*0)=153
153 % 10 = 3
So 405918-90-3 is a valid CAS Registry Number.
405918-90-3Relevant academic research and scientific papers
Nagorichna,Tkachuk,Garazd,Garazd,Khilya
, p. 152 - 157 (2009)
Spiropyranobenzopyrandiones were prepared, reduced, and dehydrated to form spirosubstituted pyranocoumarins.
