52039-56-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52039-56-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,0,3 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 52039-56:
(7*5)+(6*2)+(5*0)+(4*3)+(3*9)+(2*5)+(1*6)=102
102 % 10 = 2
So 52039-56-2 is a valid CAS Registry Number.