73427-31-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73427-31-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,4,2 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73427-31:
(7*7)+(6*3)+(5*4)+(4*2)+(3*7)+(2*3)+(1*1)=123
123 % 10 = 3
So 73427-31-3 is a valid CAS Registry Number.