cis-2-Butene Back Catalog number: 72428 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L20020600IO PCB No. 206, 10ug/ml in Isooctane, 10ml Price on request 679947 Thiamethoxam Metabolite CGA 353968, 100 µg/ml, Ac Price on request N525482 N-Nitrosodipropylamine-d14, 5mg Price on request