dye|World dye variety

Name:C.I.Acid Yellow 21,C.I.14230 Molecular Structure: Single azo class Molecular Formula:C17H13N2NaO4S Molecular Weight: 364.35 CAS Registry Number:6408-97-5

Name:C.I.Acid Yellow 20,C.I.14225 Molecular Structure: Single azo class Molecular Formula:C17H3N2NaO4S Molecular Weight: 364.35 CAS Registry Number:8005-93-4

Name:C.I.Acid Yellow 19,C.I.18967 Molecular Structure: Single azo class Molecular Formula:C20H12C12N4Na2O7S2 Molecular Weight: 601.35 CAS Registry Number:2220-64-3

Name:C.I.Acid Yellow 18,C.I.19020 Molecular Structure: Single azo class Molecular Formula:C17H13ClN4Na2O7S2 Molecular Weight: 530.87 CAS Registry Number:6359-54-2

Name:C.I.Acid Yellow 17,C.I.18965 Molecular Structure: Single azo class Molecular Formula:C16H10Cl2N4Na2O7S2 Molecular Weight: 551.29 CAS Registry Number:6359-98-4