177028-91-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177028-91-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,0,2 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 177028-91:
(8*1)+(7*7)+(6*7)+(5*0)+(4*2)+(3*8)+(2*9)+(1*1)=150
150 % 10 = 0
So 177028-91-0 is a valid CAS Registry Number.