69504-81-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69504-81-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,5,0 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69504-81:
(7*6)+(6*9)+(5*5)+(4*0)+(3*4)+(2*8)+(1*1)=150
150 % 10 = 0
So 69504-81-0 is a valid CAS Registry Number.