CAS 13616-37-0 appears in our catalog under these names: Ethyl 1H-tetrazole-5-acetate, Ethyl 1H-Tetrazole-5-acetate, >98.0%(HPLC)(T), Ethyl 2-(2H-tetrazol-5-yl)acetate 95%, ETHYL 1H-TETRAZOLE-5-ACETATE, 97%, Ethyl 1H-Tetrazole-5-acetate, 95%, 95%. Offered by: Biosynth, TCI, Ambeed, Sigma-Aldrich, Chemat. Available pack sizes: 100g, 10g, 5g, 25g, 1g, 100mg, 250mg.