93163-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93163-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,1,6 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 93163-20:
(7*9)+(6*3)+(5*1)+(4*6)+(3*3)+(2*2)+(1*0)=123
123 % 10 = 3
So 93163-20-3 is a valid CAS Registry Number.