Internal Standard Back Catalog number: 95665 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 13170-50AC10 Methylphenols - Mix 13, 50μg/ml in Acetone, 10ml Price on request 9449.12-100 Endrin ketone, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 53494-70-5 Price on request S-4241-2K-5IP EPA 8040 Surrogate Standard S-4241 2mg/mL each in isopropanol, 1 mL, 5 x 1mL, 5mL 2-Fluorophenol 2,4,6-Tribromophenol Price on request