87559-57-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87559-57-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,5 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87559-57:
(7*8)+(6*7)+(5*5)+(4*5)+(3*9)+(2*5)+(1*7)=187
187 % 10 = 7
So 87559-57-7 is a valid CAS Registry Number.