1016517-94-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1016517-94-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,6,5,1 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1016517-94:
(9*1)+(8*0)+(7*1)+(6*6)+(5*5)+(4*1)+(3*7)+(2*9)+(1*4)=124
124 % 10 = 4
So 1016517-94-4 is a valid CAS Registry Number.