Tetrabromophthalic acid

VOC Standard Mixture 1 13 Analytes, each 5000µg/mL in methanol; units: 10x1mLL 1350.1 Chloroform [67-66-3] 1264.7 Toluene [108-88-1] 1351.2 1,1,1-Trichloroethane [71-55-6] 1268.8 Ethylbenzene [100-41-4] 1352.1 Tetrachloromethane [56-23-5]

Erythromycin-13C,d3, 1mg

ISO 17495 Internal Standard Stock Solution 2 Internal standards, each 10µg/mL in acetone; unit: 1x5mL 2061.6 2,4-Dibromophenol [615-58-7] 2060.6 2,4,6-Tribromophenol [118-79-6] The following compounds are suggested as alternative I