660432-65-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 660432-65-5 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, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 660432-65:
(8*6)+(7*6)+(6*0)+(5*4)+(4*3)+(3*2)+(2*6)+(1*5)=145
145 % 10 = 5
So 660432-65-5 is a valid CAS Registry Number.