- Chemical Name:2-Methyl-5-oxo-4-(4-sulfo-phenylazo)-4,5-dihydro-1H-pyrrole-3-carboxylic acid ethyl ester
- CAS No.:145888-68-2
- Molecular Formula:C14H15N3O6S
- Molecular Weight:353.356
- Hs Code.:
Synonyms:2-Methyl-5-oxo-4-(4-sulfo-phenylazo)-4,5-dihydro-1H-pyrrole-3-carboxylic acid ethyl ester

