103169-97-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103169-97-7 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 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 103169-97:
(8*1)+(7*0)+(6*3)+(5*1)+(4*6)+(3*9)+(2*9)+(1*7)=107
107 % 10 = 7
So 103169-97-7 is a valid CAS Registry Number.