QC Check Sample Back Catalog number: 59528 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1578.23-100MG Pholcodine-N-oxide 1, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 433308-89-5 Price on request 9511.9-100-IO Sebuthylazine-d5 (ethyl-d5), 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 1219805-56-7 Price on request 0677.27-100-IO 3, 5-Cyclocholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17132-01-3 Price on request