69805-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69805-78-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,8,0 and 5 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 69805-78:
(7*6)+(6*9)+(5*8)+(4*0)+(3*5)+(2*7)+(1*8)=173
173 % 10 = 3
So 69805-78-3 is a valid CAS Registry Number.