443894-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443894-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,8,9 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 443894-53:
(8*4)+(7*4)+(6*3)+(5*8)+(4*9)+(3*4)+(2*5)+(1*3)=179
179 % 10 = 9
So 443894-53-9 is a valid CAS Registry Number.