340257-73-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 340257-73-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,2,5 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 340257-73:
(8*3)+(7*4)+(6*0)+(5*2)+(4*5)+(3*7)+(2*7)+(1*3)=120
120 % 10 = 0
So 340257-73-0 is a valid CAS Registry Number.