43219-77-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 43219-77-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,2,1 and 9 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 43219-77:
(7*4)+(6*3)+(5*2)+(4*1)+(3*9)+(2*7)+(1*7)=108
108 % 10 = 8
So 43219-77-8 is a valid CAS Registry Number.