Spermine-d20, 1mg Back Catalog number: S680512 Manufacturer: TORONTO RESEARCH CHEMICALS Availability: In the manufacturer's stock Price on request - + Recommended 682332 1,4-Butanediol, 1000mg Price on request 93464 1,4-Dioxane-d8 Price on request 2635.27-1UG 18 alpha(H)-22,29,30-Trisnorneohopane, neat, Solvent-neat, Unit ca. 1µg, # of units-1, Cas.no. 55199-72-9 Price on request