Custom Standard Back Catalog number: 50308 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 4M178 2,2',3,3',5,5',6-Heptachloro-4-methoxybiphenyl, 1.2ml x 48.5ug/ml, nonane Price on request 93732 Phenolics Standard Price on request 683764 Dimethyldodecylamine, 1000mg Price on request