CAS 3328-68-5 appears in our catalog under these names: 5–Chloro–2–hydroxy–4–methylbenzaldehyde, 5-Chloro-2-hydroxy-4-methylbenzaldehyde 95%, 5-Chloro-2-hydroxy-4-methylbenzaldehyde, 98%, 98%, 5-Chloro-2-hydroxy-4-methyl-benzaldehyde, 95%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 5g, 100mg, 10g, 25g.