1016851-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1016851-31-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,6,8,5 and 1 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1016851-31:
(9*1)+(8*0)+(7*1)+(6*6)+(5*8)+(4*5)+(3*1)+(2*3)+(1*1)=122
122 % 10 = 2
So 1016851-31-2 is a valid CAS Registry Number.