Perfluoro-n-butanoic acid, 50µg/ml in MeOH, 1,2ml

Diphenyl-3-isopropylphenyl phosphate,100 µg/mL,isooctane,1mL,

ISO 15009 Stock Internal Standard Solution for Volatile Halogenated Hydrocarbons 3 Analytes, each 2000µg/mL in methanol; unit: 1x5mL 3932.4 1,4-Dichlorobutane [110-56-5] 2048.7 alpha, alpha, alpha-Trifluorotoluene [98-08-8] 3933.6 2-Bromofluor

Seco-oleanane A2-1, neat, Solvent-neat, Unit ca. 5µg, # of units-1, Cas.no.