5548-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5548-15-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,5,4 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5548-15:
(6*5)+(5*5)+(4*4)+(3*8)+(2*1)+(1*5)=102
102 % 10 = 2
So 5548-15-2 is a valid CAS Registry Number.