Sigma-Aldrich
Respirable alpha-quartz
二氧化硅
Reversable Silicone lab mat
RheBuild® 套件, RheBuild® Kit
Rheodyne® 8125 转子密封件, Rheodyne® 8125 Rotor Seal
Rheodyne® 7030 型转子密封件 (#7030-003), Rheodyne® ROTOR SEAL FOR 7030 (#7030-003)
Rheodyne® VespelTM 7060/7066 型转子密封件 (#7060-070), Rheodyne® VespelTM ROTOR SEAL FOR 7060/7066 (#7060-070)
Rhodamine B-PEG2k-OH
Risperidone impurity standard
利培酮
Rivaroxaban Related Compound J
RNA Polymerase III Inhibitor-CAS 577784-91-9-Calbiochem
Rockwell C scale hardness
Rockwell hardness 30N scale
Roflumilast Related Compound C
Rosolic Acid (Dehydrated)
Rotigotine Related Compound D