Polypyrrole-block-poly(caprolactone),0.3-0.7 wt. % (dispersion in nitromethane), contains p-toluenesulfonate as dopant

Ammonium acetate,LiChropur™, eluent additive for LC-MS

Copper(II) chloride,powder, 99%

Lithium carbonate,99.999% trace metals basis

a-Ketoglutaric acid,99.0-101.0% (T)

6-O-Palmitoyl-L-ascorbic acid,BioXtra, >=99.0% (RT)

P-Chlorodiphenylphosphine,99%

Pepsin from porcine gastric mucosa,powder, slightly beige, 1200-2400 U/mg

Allyl a-D-mannopyranoside,95%

Poly(vinylpolypyrrolidone),~110 um particle size

Oil Orange SS,analytical standard

Phosphotungstic acid hydrate,suitable for microscopy