P0657 Sigma-Aldrich


suitable for HPLC fluorimetric detection of amino acids, ≥99% (HPLC), powder

Synonym: o-Phthalaldehyde, o-Phthalic dicarboxaldehyde, Benzene-1,2-dicarboxaldehyde, OPA

  • CAS Number 643-79-8

  • Empirical Formula (Hill Notation) C8H6O2

  • Molecular Weight 134.13

  •  Beilstein Registry Number 878317

  •  EC Number 211-402-2

  •  MDL number MFCD00003335

  •  PubChem Substance ID 24898119



For precolumn derivatization of amino acids for HPLC separation. For flow cytometric measurements of protein thiol groups.

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