Environmental Reference Materials, Organics, Single Component Standards Tetrahydrofuran #685 $93.00 – $198.00 2000 ug/mL in P&T Methanol read more Options Choose an option4x1.5mL10X1.5mLClear Add to cart Compare Catalog Number: 685 Options 4×1.5mL, 10X1.5mL Analyte COA's MSDS/SDS Analyte Tetrahydrofuran CAS# 109-99-9 COA's MSDS/SDS Related products Quick View Add to cart Compare $59.00 Environmental Reference Materials Ammonium – 125mL #IC-001 Quick View Add to cart Compare $59.00 Environmental Reference Materials Chlorite – 125mL #IC-016 Quick View Add to cart Compare $59.00 Environmental Reference Materials Chromate – 125mL #IC-009 Quick View Add to cart Compare $59.00 Environmental Reference Materials Phosphate – 125mL #IC-040