1608107-45-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1608107-45-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,8,1,0 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1608107-45:
(9*1)+(8*6)+(7*0)+(6*8)+(5*1)+(4*0)+(3*7)+(2*4)+(1*5)=144
144 % 10 = 4
So 1608107-45-4 is a valid CAS Registry Number.