18419-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18419-51-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,1 and 9 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18419-51:
(7*1)+(6*8)+(5*4)+(4*1)+(3*9)+(2*5)+(1*1)=117
117 % 10 = 7
So 18419-51-7 is a valid CAS Registry Number.