4,4’-DDE Back Catalog number: 98848 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9198.21-100-ME Pregnenolone, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 145-13-1 Price on request 55076 Total Inorganic Water Pollution (WP) (Kit) Price on request 676811 Semicarbazide hydrochloride, 100mg Price on request