75268-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75268-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,2,6 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 75268-66:
(7*7)+(6*5)+(5*2)+(4*6)+(3*8)+(2*6)+(1*6)=155
155 % 10 = 5
So 75268-66-5 is a valid CAS Registry Number.
InChI:InChI=1/C28H24FN9O9S2.2Na/c1-3-38-24(40)21(23(30)39)13(2)22(25(38)41)37-36-19-12-17(7-9-20(19)49(45,46)47)32-28-34-26(29)33-27(35-28)31-16-6-4-15-11-18(48(42,43)44)8-5-14(15)10-16;;/h4-12,36H,3H2,1-2H3,(H2,30,39)(H,42,43,44)(H,45,46,47)(H2,31,32,33,34,35);;/q;2*+1/p-2/b37-22+;;