Shelf life (days): 1460.0
Formulation: A crystalline solid
Formal Name: 9-ethenyl-14-ethyl-21R-(methoxycarbonyl)-4S,8,13,18-tetramethyl-20-oxo-3S-phorbinepropanoic acid
Purity: ≥90% (mixture of diastereomers)
Formula Markup: C35H36N4O5
Formula Weight: 592.7
CAS Number: 15664-29-6
Notes: Pheophorbide a is a product of chlorophyll breakdown that has been used as a photosensitizer in photodynamic therapy for the treatment of cancer.{26143} It has been reported to inhibit U87MG cells with an IC50 value of 2.8 µg/ml and demonstrates cytostatic activity specifically against glioblastoma cells without affecting normal cells.{26144} It also displays antiproliferative activity against melanoma, breast, and lung cancer cells in vitro at 100 µg/ml.{26145}