123940-13-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123940-13-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,9,4 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 123940-13:
(8*1)+(7*2)+(6*3)+(5*9)+(4*4)+(3*0)+(2*1)+(1*3)=106
106 % 10 = 6
So 123940-13-6 is a valid CAS Registry Number.