208642-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 208642-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,8,6,4 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 208642-80:
(8*2)+(7*0)+(6*8)+(5*6)+(4*4)+(3*2)+(2*8)+(1*0)=132
132 % 10 = 2
So 208642-80-2 is a valid CAS Registry Number.