Risedronate Sodium,Pharmaceutical Secondary Standard; Certified Reference Material

Zoledronic Acid,Pharmaceutical Secondary Standard; Certified Reference Material

Potassium Nitrate,Pharmaceutical Secondary Standard; Certified Reference Material

Betaine,Pharmaceutical Secondary Standard; Certified Reference Material

Reserpine,

Ruthenium Red,Technical grade

Roxithromycin, 95.0-102.0% (HPLC)

Resazurin sodium salt,powder, BioReagent

Rifaximin,

Spermine tetrahydrochloride,BioReagent, Molecular Biology

Sulforhodamine B sodium salt,powder, BioReagent, suitable for cell culture

Stigmasterol,~95%