128094-80-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128094-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,0,9 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128094-80:
(8*1)+(7*2)+(6*8)+(5*0)+(4*9)+(3*4)+(2*8)+(1*0)=134
134 % 10 = 4
So 128094-80-4 is a valid CAS Registry Number.