Theophylline,1000 µg/mL,MeOH,1mL, Back Catalog number: 2518.7-K-ME Manufacturer: CHIRON AS Availability: In the manufacturer's stock Price on request - + Recommended DF-248-S 2,4,8-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 9281.22-100-ME Tadalafil, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 171596-29-5 Price on request 676047 Ochratoxin beta, 10mg Price on request