64128-61-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 64128-61-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,4,1,2 and 8 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 64128-61:
(7*6)+(6*4)+(5*1)+(4*2)+(3*8)+(2*6)+(1*1)=116
116 % 10 = 6
So 64128-61-6 is a valid CAS Registry Number.