973-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 973-42-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,7 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 973-42:
(5*9)+(4*7)+(3*3)+(2*4)+(1*2)=92
92 % 10 = 2
So 973-42-2 is a valid CAS Registry Number.