4,4’-DDD Back Catalog number: 79290 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 58012 Magnesium (Mg) Price on request 12072.46-250MG Tilmicosin ,neat,neat,250mg, Price on request S-4037-5K-10IO 2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules Price on request