1664 Oil & Grease Calibration Level #2 Back Catalog number: 94864 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0388.12-K-IOX5 1,8-Dimethylnaphthalene-d12, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 104489-29-4 Price on request 672955 Erythromycin, 100mg Price on request 680373 Ethylene thiourea, 100 µg/ml, Acetonitrile, 1ml Price on request