cis-2-Butene Back Catalog number: 72428 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10677.29-100UG (24R)-24-Ethylcholesta-3,5-diene,neat,neat,100 µg, Price on request L20695000CY Dibenz[a,c]anthracene, 10µg/mL in Cyclohexane, 10ml Price on request 92422 Volatile Standard Price on request