16805-78-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 16805-78-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,8,0 and 5 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 16805-78:
(7*1)+(6*6)+(5*8)+(4*0)+(3*5)+(2*7)+(1*8)=120
120 % 10 = 0
So 16805-78-0 is a valid CAS Registry Number.