59503-55-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 59503-55-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,9,5,0 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 59503-55:
(7*5)+(6*9)+(5*5)+(4*0)+(3*3)+(2*5)+(1*5)=138
138 % 10 = 8
So 59503-55-8 is a valid CAS Registry Number.