Internal Standard Back Catalog number: 95665 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679286 4-Acetamidoantipyrine, 100mg Price on request 3433.11-100-CY MCPB Price on request 9565.24-50-AN 6:2 TriPAPS, 50µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. Price on request