CAS 151291-05-3 appears in our catalog under these names: 3-Amino-1-methyl-5-(methylthio)-1h-pyrazole-4-carbonitrile, 95%, 3–Amino–1–methyl–5–(methylthio)–1H–pyrazole–4–carbonitrile. Offered by: Combi-blocks, GLPBio. Available pack sizes: 250mg, 1g, 100mg.