443284-87-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443284-87-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,2,8 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 443284-87:
(8*4)+(7*4)+(6*3)+(5*2)+(4*8)+(3*4)+(2*8)+(1*7)=155
155 % 10 = 5
So 443284-87-5 is a valid CAS Registry Number.