1-Butene Back Catalog number: 71677 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0675.21-100-IO 5 alpha(H)-Pregnane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 641-85-0 Price on request 674970 Isodrin, 100mg Price on request 1782.10-10MG 1,8-Diaminonaphthalene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 479-27-6 Price on request