1-Hydroxybenzotriazole monohydrate, 100mg Back Catalog number: 682271 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended DS-1000 Mass-Labelled PCDD Solution/Mixture, 1.2ml, nonane Price on request 679036 4-Chloro-2-nitroaniline, 500mg Price on request 679942 Procaine hydrochloride, 250mg Price on request