169040-12-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169040-12-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,0,4 and 0 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 169040-12:
(8*1)+(7*6)+(6*9)+(5*0)+(4*4)+(3*0)+(2*1)+(1*2)=124
124 % 10 = 4
So 169040-12-4 is a valid CAS Registry Number.