40999-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40999-32-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,9,9 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 40999-32:
(7*4)+(6*0)+(5*9)+(4*9)+(3*9)+(2*3)+(1*2)=144
144 % 10 = 4
So 40999-32-4 is a valid CAS Registry Number.