1016494-19-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1016494-19-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,6,4,9 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1016494-19:
(9*1)+(8*0)+(7*1)+(6*6)+(5*4)+(4*9)+(3*4)+(2*1)+(1*9)=131
131 % 10 = 1
So 1016494-19-1 is a valid CAS Registry Number.