1618092-39-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1618092-39-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,8,0,9 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1618092-39:
(9*1)+(8*6)+(7*1)+(6*8)+(5*0)+(4*9)+(3*2)+(2*3)+(1*9)=169
169 % 10 = 9
So 1618092-39-9 is a valid CAS Registry Number.