40915-13-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40915-13-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,9,1 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 40915-13:
(7*4)+(6*0)+(5*9)+(4*1)+(3*5)+(2*1)+(1*3)=97
97 % 10 = 7
So 40915-13-7 is a valid CAS Registry Number.