Giant-size molecular model components

Bohlender^TM PTFE joint sleeve with gripping ring

BRAND^® SILBERBRAND ETERNA mixing cylinders

Cochranes atom centers for Orbit molecular models

Cochranes Orbit size bond tube sets

Duran^® centrifuge tubes

Kimax^® high strength centrifuge tube

NMR tube caps

p-Toluic hydrazide

对甲苯肼

Rack for Nalgene^® cryogenic vials

Nalgene^®冻存管管架

Suba-Seal^® septa

Suba-Seal^®隔膜