6128-65-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6128-65-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,1,2 and 8 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 6128-65:
(6*6)+(5*1)+(4*2)+(3*8)+(2*6)+(1*5)=90
90 % 10 = 0
So 6128-65-0 is a valid CAS Registry Number.