Alcohol Tox Screen Back Catalog number: 96632 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72093 L-Alanine Price on request 2562.19-K-ME Sodium p-n-tridecylbenzenesulfonate, 1000µg/mL in MeOH, 1ml Price on request 70140 trans-1,2-Dichloroethene Price on request