8260Matrix Spike Back Catalog number: 97031 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10157.4-100MG Sodium DL-3-hydroxybutyrate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 150-83-4 Price on request 79134 2,4,6-Tribromophenol Price on request 673753 Butralin, 100 µg/ml, Ethyl acetate, 5ml Price on request