34569-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 34569-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,5,6 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 34569-20:
(7*3)+(6*4)+(5*5)+(4*6)+(3*9)+(2*2)+(1*0)=125
125 % 10 = 5
So 34569-20-5 is a valid CAS Registry Number.