Custom Standard Back Catalog number: 50311 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79309 Permethrin (mixed isomers) Price on request 1115.18-K-T 6-Nitrochrysene-d11, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 203805-92-9 Price on request 679804 Spiramycin, 100 µg/ml, Methanol, 1ml Price on request