Dalapon methyl ester

EPA Method 525.2 - Internal Standard, 2000µg/ml in MeChl, 1ml

N-Methyl perfluorooctane sulfonamide, 10mg

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