4-Hydroxybenzoic acid, 1000mg Back Catalog number: 682526 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended S-4270-1ML p-Xylene Impurity Standard with Internal Standards 11 Analytes each Wt.% as listed; Units: 1x1mL, 5x1mL + ISTD, neat Chiron No. Name Wt. % Name Wt. % 1299.5 n-Pentane 0.15 1265.8 p-Xylene 98.65 1242.8 n-Octane 0.15 1266.8m-Xylene 0.15 Price on request 672978 Tetracycline hydrochloride, 250mg Price on request S-4572-100-DCX10 Custom variation of S-4573 not including items: 2155.9 Isopropylbenzene 1298.9 n-Propylbenzene Contains: 0722.12 1,3-Dimethylnaphthalene 0724.12 1,5-Dimethylnaphthalene 0725.12 1,6-Dimethylnaphthalene 0731.12 2,7-Dimethylnaphthalene 0700.13 1,2,3- Price on request