40315-15-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40315-15-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,3,1 and 5 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 40315-15:
(7*4)+(6*0)+(5*3)+(4*1)+(3*5)+(2*1)+(1*5)=69
69 % 10 = 9
So 40315-15-9 is a valid CAS Registry Number.