80656-16-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80656-16-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,6,5 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 80656-16:
(7*8)+(6*0)+(5*6)+(4*5)+(3*6)+(2*1)+(1*6)=132
132 % 10 = 2
So 80656-16-2 is a valid CAS Registry Number.