63523-41-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63523-41-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,5,2 and 3 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 63523-41:
(7*6)+(6*3)+(5*5)+(4*2)+(3*3)+(2*4)+(1*1)=111
111 % 10 = 1
So 63523-41-1 is a valid CAS Registry Number.