BTEX Standard Back Catalog number: 90555 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9765.11-100-ME MCPB-d3 (4(4-Chloro-2-methylphenoxy-3,5,6-d3)butyric acid) Price on request 79102 Aroclor 1262 Price on request S677302 Sotalol-d6 Hydrochloride, 1mg Price on request