Napthol Yellow Back Catalog number: 72598 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9346.11-10MG Phenazone-d3 (N-methyl-d3) Price on request 9265.17-100-AN U{13C17}-Mycophenolic acid, 100µg/mL, Solvent-acetonitrile, Unit 1.2mL, # of units-1, Cas.no. Price on request 2529.13-100-ME 2-Acetyl-6-methoxynaphthalene, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3900-45-6 Price on request