Oxytetracycline hydrochloride, 250mg

1,2,4-Tribromobenzene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 615-54-3

EPA 528 rev. 1.0 Internal Standard Solution 1 100µg/mL in dichloromethane; unit: 1x5mL 3841.8 1,2-Dimethyl-3-nitrobenzene [83-41-0]

n-Hexadecane, ?13C: - 33.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 544-76-3