443647-99-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 443647-99-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,3,6,4 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 443647-99:
(8*4)+(7*4)+(6*3)+(5*6)+(4*4)+(3*7)+(2*9)+(1*9)=172
172 % 10 = 2
So 443647-99-2 is a valid CAS Registry Number.