1-Methyl-2-pyrrolidinone Back Catalog number: 71201 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4037-10K-10IO 2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules Price on request MHCH-MXA Mass-Labelled HCH Solution/Mixture, 2µg/ml in Nonane, 1,2ml Price on request 9290.16-100-MEX5 Tramadol-d6 hydrochloride, 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. Price on request