728916-23-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 728916-23-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,8,9,1 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 728916-23:
(8*7)+(7*2)+(6*8)+(5*9)+(4*1)+(3*6)+(2*2)+(1*3)=192
192 % 10 = 2
So 728916-23-2 is a valid CAS Registry Number.