17 alpha(H),21ß(H)-25-Norhopane, 1µg Back Catalog number: 2638.29-1UG Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended 59029 Tetramethyl Ammonium Hydroxide Price on request 3890.4-100-ME Methional, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-, Cas.no. 3268-49-3 Price on request 79291 4,4’-DDE Price on request