5525-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5525-97-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,2 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 5525-97:
(6*5)+(5*5)+(4*2)+(3*5)+(2*9)+(1*7)=103
103 % 10 = 3
So 5525-97-3 is a valid CAS Registry Number.