52500-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52500-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,5,0 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52500-23:
(7*5)+(6*2)+(5*5)+(4*0)+(3*0)+(2*2)+(1*3)=79
79 % 10 = 9
So 52500-23-9 is a valid CAS Registry Number.