431923-02-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 431923-02-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,1,9,2 and 3 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 431923-02:
(8*4)+(7*3)+(6*1)+(5*9)+(4*2)+(3*3)+(2*0)+(1*2)=123
123 % 10 = 3
So 431923-02-3 is a valid CAS Registry Number.