3525-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3525-23-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,5,2 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3525-23:
(6*3)+(5*5)+(4*2)+(3*5)+(2*2)+(1*3)=73
73 % 10 = 3
So 3525-23-3 is a valid CAS Registry Number.