880803-97-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 880803-97-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,0,8,0 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 880803-97:
(8*8)+(7*8)+(6*0)+(5*8)+(4*0)+(3*3)+(2*9)+(1*7)=194
194 % 10 = 4
So 880803-97-4 is a valid CAS Registry Number.