Direct Blue 6, 1g Back Catalog number: D0235 Availability: In the manufacturer's stock Price on request - + Recommended 52073 Spiking Standards Kit Price on request T536805 p-Tolyl Sulfate Potassium Salt, 1g Price on request 1505.30-100-IO (3 alpha(H)+3bß(H)),17ß(H),21ß(H)-3-Hydroxyhopane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 28196-47-6/ Price on request