CAS 207300-86-5 appears in our catalog under these names: N-Guanylurea sulfate salt hydrate, 95%, N-Guanylurea sulfate salt hydrate, 98%, N-Guanylurea sulfate salt hydrate 97 %. Offered by: Combi-blocks, AmBeed, Sigma-Aldrich. Available pack sizes: 100g, 5g, 25g, 1g.