5660-28-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5660-28-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,6 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5660-28:
(6*5)+(5*6)+(4*6)+(3*0)+(2*2)+(1*8)=96
96 % 10 = 6
So 5660-28-6 is a valid CAS Registry Number.