GLC reference standard GLC-673-B, 100mg Back Catalog number: GLC-673-B Availability: In the manufacturer's stock Price on request - + Recommended 2189.4-50-ME Perfluorobutyric acid, sodium salt, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2218-54-4 Price on request 681811 Pyriofenone, 100 µg/ml, Acetonitrile, 1ml Price on request 0389.14-K-IOX5 Phenanthrene-d10, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 1517-22-2 Price on request