40416-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40416-74-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,4,1 and 6 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 40416-74:
(7*4)+(6*0)+(5*4)+(4*1)+(3*6)+(2*7)+(1*4)=88
88 % 10 = 8
So 40416-74-8 is a valid CAS Registry Number.