Dye|Dye intermediates|Fluorescent Brightener|pigment dye

Name:C.I.Pigment Red 23,C.I.12355 Molecular Structure: Single azo Molecular Formula:C24H17N5O7 Molecular Weight: 487.42 CAS Registry Number:6471-49-4

Name:C.I.Pigment Red 22,C.I.12315 Molecular Structure: Single azo Molecular Formula:C24H18N4O4 Molecular Weight: 426.42 CAS Registry Number:6448-95-9

Name:C.I.Pigment Red 21,C.I.12300 Molecular Structure: Single azo Molecular Formula:C23H16ClN3O2 Molecular Weight: 401.84 CAS Registry Number:6410-26-0

Name:C.I.Pigment Red 19,C.I.12400 Molecular Structure: Single azo Molecular Formula:C25H20N4O5 Molecular Weight: 456.45 CAS Registry Number:6410-33-9

Name:C.I.Pigment Red 18,C.I.12350 Molecular Structure: Single azo Molecular Formula:C24H17N5O6 Molecular Weight: 471.42 CAS Registry Number:3564-22-5