Acid Yellow 21
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
Acid Yellow 20
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