CAS 627501-18-2 appears in our catalog under these names: 5–Chloro–6–hydroxynicotinaldehyde, 5-Chloro-6-hydroxynicotinaldehyde 95%, 5-Chloro-6-hydroxynicotinaldehyde, 95%, 95%, 5-Chloro-6-hydroxynicotinaldehyde, 97%. Offered by: GLPBio, Ambeed, Chemat, Fluorochem. Available pack sizes: 1g, 250mg, 5g, 100mg.