1,2:3,4-Diepoxybutane Back Catalog number: 70355 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0612.30-100-IO 17ß(H),21 alpha(H)-Hopane, 100µg/mLin isooctane, 1ml Price on request 50047 Metals Mix #3 Price on request 50790 Boron (B) Price on request