2-Butanone Back Catalog number: X9130 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MET-12279A-250MG Monodesmethyl Isoproturon, 250mg Price on request 91161 EPA Method 525 Internals & Surrogates Price on request S-4468-2K-5ME ISO 15680 Stock Calibration Standard Solution 4 22 Analytes to be used with Internal standard S1, each 2000µg /mL in methanol; unit: 1x5mL 2155.9 Isopropylbenzene [98-82-8] 2157.6Monobromobenzene [106-86-1] 3957.2 1,1,2,2-Tetrabromoethane [79-27-6] Price on request