728899-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 728899-32-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,8,8,9 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 728899-32:
(8*7)+(7*2)+(6*8)+(5*8)+(4*9)+(3*9)+(2*3)+(1*2)=229
229 % 10 = 9
So 728899-32-9 is a valid CAS Registry Number.