52043-31-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52043-31-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,0,4 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 52043-31:
(7*5)+(6*2)+(5*0)+(4*4)+(3*3)+(2*3)+(1*1)=79
79 % 10 = 9
So 52043-31-9 is a valid CAS Registry Number.