501684-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 501684-28-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,6,8 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 501684-28:
(8*5)+(7*0)+(6*1)+(5*6)+(4*8)+(3*4)+(2*2)+(1*8)=132
132 % 10 = 2
So 501684-28-2 is a valid CAS Registry Number.