23804-28-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 23804-28-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,8,0 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 23804-28:
(7*2)+(6*3)+(5*8)+(4*0)+(3*4)+(2*2)+(1*8)=96
96 % 10 = 6
So 23804-28-6 is a valid CAS Registry Number.