Sigma-Aldrich
NovaSeptum® Transfer Systems
NS8593-Calbiochem
Nylon Membranes for Colony and Plaque Hybridization
O-ring filter sealing silicone for 293 mm Filter Holder
ω-Transaminase, Aspergillus fumigatus
Ofloxacin impurity D
奥美拉唑, Omeprazole magnesium
Omnifit® 标准口径连接器, Omnifit® Standard Bore Connector
Omnifit® Tube Endfittings
Omnifit® 管路末端配件
Omnipore Membrane Filter
OmniporeTM Membrane Filter
On/Off Valve Kit
用于 Spectra-Physics 产品的 Optimize Technologies 高效液相色谱泵部件, Opti-Max® Inlet Check Valve