5524-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5524-15-2 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 4 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5524-15:
(6*5)+(5*5)+(4*2)+(3*4)+(2*1)+(1*5)=82
82 % 10 = 2
So 5524-15-2 is a valid CAS Registry Number.