2-Butanone-2,4-DNPH, 100mg Back Catalog number: 684615 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 71799 L(+)Lactic acid Price on request 97053 Aliphatic EPH Standard Price on request 679038 13C2-Tenuazonic acid mixture of diastereomers, 100 Price on request