CAS 90690-91-8 appears in our catalog under these names: 5–Chloro–7–methoxythieno(3，2–b)pyridine, 5-Chloro-7-methoxythieno(3,2-b)pyridine, 5-Chloro-7-methoxythieno[3,2-b]pyridine 97%, 5-chloro-7-methoxythieno[3,2-b]pyridine, 97%, 97%, 5-Chloro-7-methoxythieno[3,2-b]pyridine, 97%. Offered by: GLPBio, Biosynth, Ambeed, Chemat, Fluorochem. Available pack sizes: 100mg, 1g, 250mg, 2,5g, 5g, 25g.