86903-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86903-80-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,9,0 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 86903-80:
(7*8)+(6*6)+(5*9)+(4*0)+(3*3)+(2*8)+(1*0)=162
162 % 10 = 2
So 86903-80-2 is a valid CAS Registry Number.