52121-45-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52121-45-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,1,2 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 52121-45:
(7*5)+(6*2)+(5*1)+(4*2)+(3*1)+(2*4)+(1*5)=76
76 % 10 = 6
So 52121-45-6 is a valid CAS Registry Number.