624B Internal / Surrogate Standard Back Catalog number: 98628 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 682332 1,4-Butanediol, 1000mg Price on request 10261.19-K-ME Tetrabenazine, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 58-46-8 Price on request 92848 1,4-Dioxane-d8 Price on request