123128-64-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123128-64-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,1,2 and 8 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 123128-64:
(8*1)+(7*2)+(6*3)+(5*1)+(4*2)+(3*8)+(2*6)+(1*4)=93
93 % 10 = 3
So 123128-64-3 is a valid CAS Registry Number.