433919-40-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 433919-40-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,3,9,1 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 433919-40:
(8*4)+(7*3)+(6*3)+(5*9)+(4*1)+(3*9)+(2*4)+(1*0)=155
155 % 10 = 5
So 433919-40-5 is a valid CAS Registry Number.