1253-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1253-73-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,5 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1253-73:
(6*1)+(5*2)+(4*5)+(3*3)+(2*7)+(1*3)=62
62 % 10 = 2
So 1253-73-2 is a valid CAS Registry Number.