52681-53-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52681-53-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,6,8 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52681-53:
(7*5)+(6*2)+(5*6)+(4*8)+(3*1)+(2*5)+(1*3)=125
125 % 10 = 5
So 52681-53-5 is a valid CAS Registry Number.