CAS 201731-19-3 appears in our catalog under these names: 3–hexanoyl–NBD Cholesterol, 3-hexanoyl-NBD Cholesterol, 3-C6-NBD-cholesterol, 99.0%, NBD-6 CHOLESTEROL. Offered by: GLPBio, Chemat, MedChemExpress, Sigma-Aldrich. Available pack sizes: 1mg, 5mg, 500μg, 500 μg, 1 mg, 5 mg.