1,4-Naphthoquinone Back Catalog number: 79415 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4677-100-DCX10 Custom Mix of deuterated PAHs 2, 100ug/ml each 1088 Benzo[a]pyrene 1337 Fluoranthrene Price on request 50012 Multi-Element Calibration Standard-2A Price on request 678217 Isoproturon-desmethyl, 100mg Price on request