522593-89-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 522593-89-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,2,2,5,9 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 522593-89:
(8*5)+(7*2)+(6*2)+(5*5)+(4*9)+(3*3)+(2*8)+(1*9)=161
161 % 10 = 1
So 522593-89-1 is a valid CAS Registry Number.