Sigma-Aldrich
9-methyl-6-[(4-nitrobenzyl)sulfanyl]-9H-purine
Aldrich® check-valve bubbler
Aldrich® Claisen adapter
Aldrich® Claisen distillation head with Vigreux indents
Aldrich® column clamp
Aldrich® compact ductless air cleaning system
Aldrich® dual-bank vacuum manifold with PTFE valves with jointed ends
Aldrich® Essentials desiccator
Aldrich® Essentials graduated cylinder, class A, meets DIN ISO 4788
Aldrich® falling-film distillation head
Aldrich® filtering flask with hose barb, heavy-wall
Aldrich® filtering flask, heavy-wall
Aldrich® flexible support system
Aldrich® fritted filter funnel