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ALPHA-KETOBUTYRIC ACID, SODIUM SALT (4-13C, 99%; 3,3,4,4-D4, 98%)
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ALPHA-KETOBUTYRIC ACID, SODIUM SALT (METHYL-13C, 99%)
ALPHA-KETOBUTYRIC ACID, SODIUM SALT (13C4, 98%)
ALPHA-KETOBUTYRIC ACID, SODIUM SALT (13C4, 98%; 3,3-D2, 98%)
7-CHLOROBENZ[A]ANTHRACENE UNLABELED 50 UG/ML IN TOLUENE
7-CHLOROBENZ[A]ANTHRACENE (13C6, 99%) 50 UG/ML IN TOLUENE
P-N-NONYLPHENOL DIETHOXYLATE UNLABELED 100 UG/ML IN NONANE
P-N-NONYLPHENOL DIETHOXYLATE UNLABELED 500 UG/ML IN ACETONITRILE
ALPHA-KETOBUTYRIC ACID, SODIUM SALT (METHYL-13C, 99%; 3,3-D2, 98%)
4,4'-DIBDE (BDE-15) 50 UG/ML IN NONANE UNLABELED CERTIFIED STANDARD