103161-85-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103161-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,1,6 and 1 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 103161-85:
(8*1)+(7*0)+(6*3)+(5*1)+(4*6)+(3*1)+(2*8)+(1*5)=79
79 % 10 = 9
So 103161-85-9 is a valid CAS Registry Number.