52645-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52645-20-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,6,4 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 52645-20:
(7*5)+(6*2)+(5*6)+(4*4)+(3*5)+(2*2)+(1*0)=112
112 % 10 = 2
So 52645-20-2 is a valid CAS Registry Number.