(±)-Bisoprolol-d7 Hemifumarate (iso-propyl-d7)

C29 Ring-C Monoaromatic sterane (5ß(H),10ß(CH3)/5 alpha(H),10 alpha(CH3)), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 205176-21-2 / 81943-51-3

o-Tolualdehyde

Pentachlorophenol, 100 µg/ml, Methanol, 1ml