133390-40-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133390-40-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,3,9 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 133390-40:
(8*1)+(7*3)+(6*3)+(5*3)+(4*9)+(3*0)+(2*4)+(1*0)=106
106 % 10 = 6
So 133390-40-6 is a valid CAS Registry Number.