253307-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253307-73-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,3,0 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 253307-73:
(8*2)+(7*5)+(6*3)+(5*3)+(4*0)+(3*7)+(2*7)+(1*3)=122
122 % 10 = 2
So 253307-73-2 is a valid CAS Registry Number.