660432-28-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 660432-28-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,0,4,3 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 660432-28:
(8*6)+(7*6)+(6*0)+(5*4)+(4*3)+(3*2)+(2*2)+(1*8)=140
140 % 10 = 0
So 660432-28-0 is a valid CAS Registry Number.