2,3-Benzofluorene Back Catalog number: 93156 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50097 Custom Mix Price on request 680236 trans-3-Hydroxycotinine, 100 µg/ml, Methanol, 1m Price on request M3139 Methacrylic Anhydride [stabilized with 1,1,3-Tris(3-tert-butyl-4-OH-6-methylphenyl)butane], 100g Price on request