Internal Standard Back Catalog number: 90396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1572.36-250MG Dimethyl pseudomorphine, neat, Solvent-neat, Unit 250mg, # of units-1, Cas.no. 121395-47-9 Price on request C175280 (±)-Cannabichromene, 5mg Price on request 0098.4-1ML Methylisopropylsulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 1551-21-9 Price on request