1609169-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1609169-89-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,9,1,6 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1609169-89:
(9*1)+(8*6)+(7*0)+(6*9)+(5*1)+(4*6)+(3*9)+(2*8)+(1*9)=192
192 % 10 = 2
So 1609169-89-2 is a valid CAS Registry Number.