52920-13-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52920-13-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,9,2 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52920-13:
(7*5)+(6*2)+(5*9)+(4*2)+(3*0)+(2*1)+(1*3)=105
105 % 10 = 5
So 52920-13-5 is a valid CAS Registry Number.