Vardenafil dihydrochloride, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 224789-15-5

S-4543-20-DCM-5X1ML Naphthalene Mix, 20µg/mL in dichloromethane, 5 x 1ml

1,3,5-Triazine-2,4,6-triamine-[15N3] (Melamine-[15N3]), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 287476-11-3

n-Pentyl iso-pentyl phthalate (n-Pentyl 3-methlybutyl phthalate), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 776297-69-9