108724-84-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108724-84-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,7,2 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 108724-84:
(8*1)+(7*0)+(6*8)+(5*7)+(4*2)+(3*4)+(2*8)+(1*4)=131
131 % 10 = 1
So 108724-84-1 is a valid CAS Registry Number.