Internal Standard Back Catalog number: 90396 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-F Mass-Labelled PCDF Internal Standard Solution, 1.2ml, nonane Price on request 11081.7-100MG 2,3-Dimethylpyridine,neat,neat,100mg, Price on request S-4281-SET Alkylated Benzoic Acids Benzosyre p-Toluic acid 2,4-Dimethylbenzosyre 1 mg/mL in toluene, 10 mL 0.1mg/mL i toluene, 10mL Units: 2x10ml Price on request