CAS No. 33524-67-3 3,4,5,6-Tetraphenyl-2H-pyran-2-one 3,4,5,6-Tetraphenyl-2H-pyran-2-one Catalog No.: 1321880 Name: 3,4,5,6-Tetraphenyl-2H-pyran-2-one CAS: 33524-67-3 Formula: C29H20O2 Inquire about this product → | Safety data