Ponceau 4R 665 6-diaminohexanamido)-3-phenylpropanamido]pentanamido}pentanamido)-4-carbamoylbutanamido]pentanoyl}pyrrolidin-2-yl)formamido]pentanamido}-4-methylpentanamido)-3-hydroxypropanamido]-3-(1H-imidazol-4-yl)propanamido}hexanamido)acetyl]pyrrolidin-2-yl}formamido)-4-(methylsulfanyl)butanoyl]pyrrolidin-2-yl}formamido)-3-phenylpropanoic acid

6-diaminohexanamido)-3-phenylpropanamido]pentanamido}pentanamido)-4-carbamoylbutanamido]pentanoyl}pyrrolidin-2-yl)formamido]pentanamido}-4-methylpentanamido)-3-hydroxypropanamido]-3-(1H-imidazol-4-yl)propanamido}hexanamido)acetyl]pyrrolidin-2-yl}formamido)-4-(methylsulfanyl)butanoyl]pyrrolidin-2-yl}formamido)-3-phenylpropanoic acid

Formula: C14H14Cl3O6P

which is an anticancer drug candidate currently in clinical trials

isolated from the bacterium Streptomyces peucetius var

Ponceau 4R 665 6-diaminohexanamido)-3-phenylpropanamido]pentanamido}pentanamido)-4-carbamoylbutanamido]pentanoyl}pyrrolidin-2-yl)formamido]pentanamido}-4-methylpentanamido)-3-hydroxypropanamido]-3-(1H-imidazol-4-yl)propanamido}hexanamido)acetyl]pyrrolidin-2-yl}formamido)-4-(methylsulfanyl)butanoyl]pyrrolidin-2-yl}formamido)-3-phenylpropanoic acidPonceau 4R is a synthetic colourant that may be used as a food colouring. onceau 4R is a strawberry red azo dye which can be used in a variety of food products, and is usually synthesized fromaromatic hydrocarbons; it is stable to light, heat, and acid but fades in the presence of ascorbic acid. Product information CAS Number: 2611 82 7 Molecular Weight: 604. 47 Formula: C20H11N2Na3O10S3 Chemical Name: trisodium 7 hydroxy 8 [2 (4 sulfonatonaphthalen 1