16040-28-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16040-28-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,0,4 and 0 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 16040-28:
(7*1)+(6*6)+(5*0)+(4*4)+(3*0)+(2*2)+(1*8)=71
71 % 10 = 1
So 16040-28-1 is a valid CAS Registry Number.