525 Internal Standard Back Catalog number: 94212 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93061 Phenanthrene - 80% Price on request H943795 (+)-13a-Hydroxylupanine, 1mg Price on request L17382500CY 2,4,5,6-Tetrachloro-m-xylene, 10µg/mL in Cyclohexane, 10ml Price on request