2-Methyl-1-butene Back Catalog number: 72432 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682111 delta-9-Tetrahydrocannabinolic acid A, 10.0 µg/ml, Price on request 680430 Acetate Mix suitable for 2007.01 per AOAC Price on request 59892X Calibration Std. #1 Price on request