Tetrahydrofuran Back Catalog number: 79507 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 95653 cis-Permethrin Price on request 71883 4-Methyl-2-heptanone Price on request S-4193-2K-10ME F-BTEX ISTD Mixture 4 Analytes, each 2000 µg/mL in methanol; units: 1x 4.5mL, 1x10mL 2017.6 Fluorobenzene [462-06-6] 2018.7 2-Fluorotoluene Price on request