Use P# 72115 Back Catalog number: 71998 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675405 4-Chlorophenol, 10 µg/ml, Methanol, 10ml Price on request DD-123789-S 1,2,3,7,8,9-Hexachlorodibenzo-p-dioxin , 1.2ml x 50ug/ml, nonane Price on request H946342 rac 4-Hydroxy-3-methoxyphenylethylene Glycol-d3, 2,5mg Price on request