4928-80-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4928-80-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,9,2 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4928-80:
(6*4)+(5*9)+(4*2)+(3*8)+(2*8)+(1*0)=117
117 % 10 = 7
So 4928-80-7 is a valid CAS Registry Number.