1138445-75-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1138445-75-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,8,4,4 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1138445-75:
(9*1)+(8*1)+(7*3)+(6*8)+(5*4)+(4*4)+(3*5)+(2*7)+(1*5)=156
156 % 10 = 6
So 1138445-75-6 is a valid CAS Registry Number.