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Systematic (IUPAC) name
N-{[(2S,3S)-7-carboxy-3-(2-carboxyethyl)-12-ethyl-2,8,13,18-tetramethyl-17-vinyl-2,3-dihydroporphyrin-5-yl]acetyl}-L-aspartic acid
Clinical data
Routes of
Legal status
Legal status
  • ℞ (Prescription only)
CAS Number 110230-98-3
220201-34-3 (sodium salt)
ATC code none
PubChem CID 5486799
Chemical data
Formula C38H41N5O9
Molar mass 711.76 g/mol[[Script error: No such module "String".]]
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Talaporfin (INN, also known as aspartyl chlorin, mono-L-aspartyl chlorine e6, NPe6, or LS11) is a photosensitizer used in photodynamic therapy (PDT).

It absorbs red light at 664nm normally provided by a laser tuned to this wavelength.[1]

It was approved in Japan (in 2004) for PDT of lung cancer and marketed as Laserphyrin.[2]


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  1. http://journals.lww.com/jto/Fulltext/2006/06000/Photodynamic_Therapy__PDT__for_Lung_Cancers.18.aspx "Photodynamic Therapy (PDT) for Lung Cancers" 2006
  2. http://meeting.ascopubs.org/cgi/content/abstract/24/18_suppl/7229 "Photodynamic therapy using Laserphyrin for centrally located early stage lung cancer" 2006