80656-15-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80656-15-1 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 5 respectively.
Calculate Digit Verification of CAS Registry Number 80656-15:
(7*8)+(6*0)+(5*6)+(4*5)+(3*6)+(2*1)+(1*5)=131
131 % 10 = 1
So 80656-15-1 is a valid CAS Registry Number.