1,4-Dichloro-2-butene Back Catalog number: 71391 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1339.31-500-IO 17?(H),21ß(H)-(22R)-Homohopane, 500µg/mL in Isooctane, 1mL Price on request 681951 Quintozene, 100 µg/ml, Cyclohexane, 1ml Price on request 10014 Toxic Substances #1 Price on request