57604-59-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57604-59-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,6,0 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 57604-59:
(7*5)+(6*7)+(5*6)+(4*0)+(3*4)+(2*5)+(1*9)=138
138 % 10 = 8
So 57604-59-8 is a valid CAS Registry Number.