Internal Standard Back Catalog number: 95592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10636.12-50-T 2,3,4,6,7,8-Hexachlorodibenzofuran Price on request 9369.13-K-IO Mono-iso-pentyl phathalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 17866-76-1 Price on request 10077.4-100MG N-Nitropiperazine-2,2,3,3,5,5,6,6-d8, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. Price on request