59221-25-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 59221-25-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,2,2 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 59221-25:
(7*5)+(6*9)+(5*2)+(4*2)+(3*1)+(2*2)+(1*5)=119
119 % 10 = 9
So 59221-25-9 is a valid CAS Registry Number.