1418921-65-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1418921-65-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,1,8,9,2 and 1 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1418921-65:
(9*1)+(8*4)+(7*1)+(6*8)+(5*9)+(4*2)+(3*1)+(2*6)+(1*5)=169
169 % 10 = 9
So 1418921-65-9 is a valid CAS Registry Number.