65020-97-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65020-97-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,0,2 and 0 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 65020-97:
(7*6)+(6*5)+(5*0)+(4*2)+(3*0)+(2*9)+(1*7)=105
105 % 10 = 5
So 65020-97-5 is a valid CAS Registry Number.