MA - EPH Fractionation Surrogate Spike Back Catalog number: 51039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9976.10-65-05HC Neosaxitoxin, 65µM, Solvent-10-3M HCl, Unit 0.5mL, # of units-1, Cas.no. 64296-20-4 Price on request 678426 Heptachlor, 100 µg/ml, Acetonitrile, 1ml Price on request S-4067-1MLX5 PIONA Mixture 3, C5-C25 Hydrocarbons C5-C25, 1ml neat, n-paraffins, isoparaffins, naphthenes, and aromatics. Prod.no. Compound CAS no. Purity Weight % 8030.5 Isopentane Price on request