4,4’-DDD Back Catalog number: 70099 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4415-20-25PEX4 ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane Price on request 70575 3-tert-Butyl-4-hydroxyanisole Price on request 94570 Benzene & Acetonitrile Price on request