64204-23-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64204-23-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,2,0 and 4 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 64204-23:
(7*6)+(6*4)+(5*2)+(4*0)+(3*4)+(2*2)+(1*3)=95
95 % 10 = 5
So 64204-23-5 is a valid CAS Registry Number.