2,3,6,7-Tetrachloronaphthalene, 1.2ml x 50ug/ml, nonane

Phosphamidon, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 13171-21-6

n-Propyl 4-hydroxybenzoate-propyl d7, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1246820-92-7

Custom mix of C0 -C4 naphthalenes 0711.10 Naphthalene 0713.11 2-Methylnaphthalene 0712.11 1-Methylnaphthalene 0715.12 2-Ethylnaphthalene 0714.12 1-Ethylnaphthalene 0729.12 2,6-Dimethylnaphthalene 0731.12 2,7-Dimethylnaphthalene 0726.12 1,7-Dimethyln