18986-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18986-67-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,9,8 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 18986-67:
(7*1)+(6*8)+(5*9)+(4*8)+(3*6)+(2*6)+(1*7)=169
169 % 10 = 9
So 18986-67-9 is a valid CAS Registry Number.