1171048-28-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1171048-28-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,1,0,4 and 8 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1171048-28:
(9*1)+(8*1)+(7*7)+(6*1)+(5*0)+(4*4)+(3*8)+(2*2)+(1*8)=124
124 % 10 = 4
So 1171048-28-4 is a valid CAS Registry Number.