CompTox Dashboard (EPA)
|Molar mass||566.7 g/mol|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Protoporphyrinogen IX is an organic chemical compound which is produced along the synthesis of porphyrins, a class of critical biochemicals that include hemoglobin and chlorophyll. It is a direct precursor of protoporphyrin IX.
The compound is a porphyrinogen, meaning that it has a non-aromatic hexahydroporphine core, which will be oxidized to a porphine core in later stages of the heme synthesis. Like most porphyrinogens, it is colorless.
The process entails conversion of two of four propionic acid groups to vinyl groups. In coproporphyrinogen III, the substituents on the pyrrole rings have the arrangement MP-MP-MP-PM, where M and P are methyl and propionic acid, respectively. In protoporphyrinogen IX, the sequence becomes MV-MV-MP-PM, where V is vinyl.