40388-15-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40388-15-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,3,8 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 40388-15:
(7*4)+(6*0)+(5*3)+(4*8)+(3*8)+(2*1)+(1*5)=106
106 % 10 = 6
So 40388-15-6 is a valid CAS Registry Number.