Internal Standard Back Catalog number: 90396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1061.8-100MG 4-Ethylthiophenol, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4946-13-8 Price on request 1315.13-100-T 2-Fluorofluorene, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 343-43-1 Price on request 3767.29-10MG Stigmasterol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 83-48-7 Price on request