The CAS Registry Mumber 63403-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,4,0 and 3 respectively; the second part has 2 digits, 9 and 8 respectively. Calculate Digit Verification of CAS Registry Number 63403-98: (7*6)+(6*3)+(5*4)+(4*0)+(3*3)+(2*9)+(1*8)=115 115 % 10 = 5 So 63403-98-5 is a valid CAS Registry Number.
Get Best Price for63403-98-56,7,13,14-tetrafluoro-3,11-bis-(2,4,6-trimethyl-phenyl)-1,4,9,12-tetraoxa-2,10-diaza-dispiro[4.2.4.2]tetradeca-2,6,10,13-tetraene