Perfluoro-3,6-dioxaheptanoic acid (NFDHA), 1.2ml x 50ug/ml, methanol Back Catalog number: 3,6-OPFHPA Availability: In the manufacturer's stock Price on request - + Recommended 57120 Calcium (Ca) Price on request S-4217-10K-ACX10 9377-2 Quality Control Standard of Mineral Oils A+B , 10000µg/mL in acetone (5000µg/mL of each), 10x1ml Price on request C15712000 4-n-Octylphenol, certified, 0.25g Price on request