445403-87-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 445403-87-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,5,4,0 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 445403-87:
(8*4)+(7*4)+(6*5)+(5*4)+(4*0)+(3*3)+(2*8)+(1*7)=142
142 % 10 = 2
So 445403-87-2 is a valid CAS Registry Number.