Ascorbic acid Back Catalog number: 72101 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8850.9-K-IO 3-iso-Butyl-2-methoxypyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. Price on request 92540 Pyrene Price on request A15987150AL-100 Perfluorooctanoic acid, 100µg/mL in Acetonitrile, 1ml Price on request