102569-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102569-56-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,5,6 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 102569-56:
(8*1)+(7*0)+(6*2)+(5*5)+(4*6)+(3*9)+(2*5)+(1*6)=112
112 % 10 = 2
So 102569-56-2 is a valid CAS Registry Number.