Interference Standards Set Back Catalog number: 53038 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0350.14-K-T 1-Methylfluorene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 1730-37-6 Price on request 73374 Thebaine Price on request 1815.12-K-IO 3,3'-Diaminobenzidine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 91-95-2 Price on request