1083165-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1083165-65-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,3,1,6 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1083165-65:
(9*1)+(8*0)+(7*8)+(6*3)+(5*1)+(4*6)+(3*5)+(2*6)+(1*5)=144
144 % 10 = 4
So 1083165-65-4 is a valid CAS Registry Number.