4,4’-DDD Back Catalog number: 79148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended WM48-CVS Calibration Kit for WHO & Marker PCBs; EN 1948-4:2010, 6 x 500ul, nonane Price on request 31111 Chloroform Price on request 10395.7-10MG Trigonelline-d3 (methyl-d3) Price on request