618457-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 618457-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,8,4,5 and 7 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 618457-87:
(8*6)+(7*1)+(6*8)+(5*4)+(4*5)+(3*7)+(2*8)+(1*7)=187
187 % 10 = 7
So 618457-87-7 is a valid CAS Registry Number.