403819-12-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 403819-12-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,3,8,1 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 403819-12:
(8*4)+(7*0)+(6*3)+(5*8)+(4*1)+(3*9)+(2*1)+(1*2)=125
125 % 10 = 5
So 403819-12-5 is a valid CAS Registry Number.