5,10,15,20-Tetrakis(4-hydroxyphenyl)-21H,23H-porphine

• CAT Number: L034557
• CAS Number: 51094-17-8
• Molecular Formula: C44H30N4O4
• Molecular Weight: 678.71
• Purity: ≥95%
• IUPAC Name: 4-[10,15,20-tris(4-hydroxyphenyl)-21,23-dihydroporphyrin-5-yl]phenol
• InChI: InChI=1S/C44H30N4O4/c49-29-9-1-25(2-10-29)41-33-17-19-35(45-33)42(26-3-11-30(50)12-4-26)37-21-23-39(47-37)44(28-7-15-32(52)16-8-28)40-24-22-38(48-40)43(36-20-18-34(41)46-36)27-5-13-31(51)14-6-27/h1-24,45,48-52H
• InChIKey: VFHDWGAEEDVVPD-UHFFFAOYSA-N
• SMILES: C1=CC(=CC=C1C2=C3C=CC(=C(C4=NC(=C(C5=CC=C(N5)C(=C6C=CC2=N6)C7=CC=C(C=C7)O)C8=CC=C(C=C8)O)C=C4)C9=CC=C(C=C9)O)N3)O

5,10,15,20-Tetrakis(4-hydroxyphenyl)-21H,23H-porphine(CAT: L034557), commonly abbreviated as THPP, is a tetra-substituted porphyrin derivative bearing hydroxyphenyl groups at the meso positions. Its extended conjugated macrocycle and phenolic functionalities make it highly useful in photodynamic therapy (PDT), photosensitizer development, and coordination chemistry. THPP exhibits strong absorbance in the visible spectrum and can chelate a variety of metal ions, forming metalloporphyrins with diverse catalytic and electronic properties. It is widely applied in biomedical imaging, molecular electronics, and supramolecular assembly. The hydroxyl groups also enable further functionalization, enhancing its versatility in organic synthesis and material science research.