1016790-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1016790-80-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,6,7,9 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1016790-80:
(9*1)+(8*0)+(7*1)+(6*6)+(5*7)+(4*9)+(3*0)+(2*8)+(1*0)=139
139 % 10 = 9
So 1016790-80-9 is a valid CAS Registry Number.