CAS 92273-73-9 appears in our catalog under these names: Butylzinc bromide, n-Butylzinc bromide, 0.5M in THF, packaged under Argon in re, BUTYLZINC BROMIDE, 0.5M SOLUTION IN. Offered by: GLPBio, Thermo Scientific (Alfa Aesar), Sigma-Aldrich. Available pack sizes: 25ml, 50ml.