MA - EPH Fractionation Surrogate Spike Back Catalog number: 51039 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3791.12-K-IO Musk xylene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 81-15-2 Price on request 681796 Trietazine-desethyl, 100mg Price on request 679224 Tulobuterol hydrochloride, 50mg Price on request