52507-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52507-90-1 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 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 52507-90:
(7*5)+(6*2)+(5*5)+(4*0)+(3*7)+(2*9)+(1*0)=111
111 % 10 = 1
So 52507-90-1 is a valid CAS Registry Number.