p-Boronophenylalanine

p-Boronophenylalanine (BPA) is a boron-containing amino acid analogue of phenylalanine, mainly used in boron neutron capture therapy (BNCT) for cancer treatment. It preferentially accumulates in tumor cells, delivering boron for targeted radiation therapy when exposed to neutrons. The directory classifies it as a clinical API with a synthetic source/manufacturing origin. Other names for this substance include DL-boronophenylalanine, 4-Borono-D, L-phenylalanine and P-(Dihydroxyboryl)Phenylalanine. Its PubChem CID is 53503.

CAS No 90580-64-6
Molecular Formula C9H12BNO4
Molecular Weight 209.01 g/mol
Synonyms 2-amino-3-(4-boronophenyl)propanoic acid

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