Petroleum Marker Standard Back Catalog number: 95589 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4037-K-IOX5 2-Bromothiophene in isooctane, Blank Units: 5x1mL ampoules Price on request 676851 D8-Triforine, 100 µg/ml, Acetone, 1ml Price on request 11648.9-K-ME (+/-)-Epinephrine hydrochloride,1000 µg base/mL,MeOH,1mL, Price on request