Butabarbital Back Catalog number: 96538 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MISOD (13C12)Isodrin, 1.2mL x 100ug/mL, nonane Price on request 679795 Difloxacin hydrochloride, 100 µg/ml, Methanol, 1 Price on request 51117 Trace Nitrogen in Low Boiling Solvent Price on request