MERCK - www.merck-chemicals.com ( Chemicals & Reagents)

SDS - SOLVENTS AND ALCOHOLS, INORGANICS, SILICAS, SOLUTIONS, BUFFERS, FINE CHEMICALS, ORGANOSILANES, CYCLODEXTRINS, TLC PLATES.

ALFA-AESAR- www.alfa.com (Research Chemicals, Metals and Materials)

ALDRICH FINE CHEMICALS - www.sigma-aldrich.com  SUPELCO - (Liquid Chromatography, Sample Preparation/Purification, Solid Phase Microextraction, Gas Chromatography, Vials & Syringes, Resins & Media, Chemical Standards) FLUKA - (Chemicals & Slovents)

T.C.I  -  www.tcieurope.eu (Laboratory Chemicals)

STREM - www.strem.com (Research Chemicals, Nanomaterials, Ligands, Organometallics, Metal Carbonyls, Catalysts, CVD Precursors)

ABCR GELEST - www.abcr.de (Silicon Compounds)

EXTRASYNTHESE - www.extrasynthese.com (Natural Products & Fine Chemicals)

EURISO-TOP - www.eurisotop.com (NMR Deuterated Solvents & NMR Tubes, Stable Isotopes)

D. Ehrenstorfer - www.analytical-standards.com (Reference Materials)