143901-93-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143901-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,9,0 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143901-93:
(8*1)+(7*4)+(6*3)+(5*9)+(4*0)+(3*1)+(2*9)+(1*3)=123
123 % 10 = 3
So 143901-93-3 is a valid CAS Registry Number.