Butyric acid (C4H8O2) Back Catalog number: 50677 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-IS-B Mass-Labelled PCDD/PCDF Internal Standard Solution, 1.2ml, nonane Price on request 11347.18-K-ME Hydroxychloroquine sulfate,1000 µg base/mL,MeOH,1mL, Price on request D417643 1,8-Diaza-2,9-diketocyclotetradecane, 2,5mg Price on request