g-Butyrolactone Back Catalog number: 71200 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 674489 Permethrin, 10.0 µg/ml, Acetonitrile, 10ml Price on request 18000-0368D-100AN 17b-Estradiol-2,4,16,16,17-d5, 100µg/ml in Acetonitrile, 5ml Price on request 0271.24-200-T Naphtho[2,3-k]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 207-18-1 Price on request