133168-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133168-49-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,1,6 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 133168-49:
(8*1)+(7*3)+(6*3)+(5*1)+(4*6)+(3*8)+(2*4)+(1*9)=117
117 % 10 = 7
So 133168-49-7 is a valid CAS Registry Number.