618398-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 618398-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,8,3,9 and 8 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 618398-41:
(8*6)+(7*1)+(6*8)+(5*3)+(4*9)+(3*8)+(2*4)+(1*1)=187
187 % 10 = 7
So 618398-41-7 is a valid CAS Registry Number.