CAS 2243-76-7 appears in our catalog under these names: 2-Hydroxy-5-[(E)-2-(4-nitrophenyl)diazen-1-yl]benzoic acid, tech grade, Alizarinyellowrindicator(1·9–3·3,10·1–12·1), Mordant Orange 1, 2-Hydroxy-5-((4-nitrophenyl)diazenyl)benzoic acid, IND, IND, Alizarine Yellow R, 98.0%. Offered by: Combi-blocks, GLPBio, Chemat, Biosynth, MedChemExpress. Available pack sizes: 25g, 100g, 5g, 500g, 1000g, 2000g, 10000g, 25000g.