17 alpha(H),21 alpha(H)-Hopane, 50µg/mL in Isooctane, 1ml Back Catalog number: 2888.30-50-IO Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 50756 Spiking Standard #2 Price on request 678036 1,2,3-Trimethylbenzene, 250mg Price on request 10575.30-100-ME Echinocystic acid Price on request