1085339-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1085339-80-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,5,3,3 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1085339-80:
(9*1)+(8*0)+(7*8)+(6*5)+(5*3)+(4*3)+(3*9)+(2*8)+(1*0)=165
165 % 10 = 5
So 1085339-80-5 is a valid CAS Registry Number.