Sub Group: Research Compounds Catalog Number: C11568 Enrichment: 98%13C6 Formula: C13C6H7NO3 Molecular Weight: 159.09 Synonyms: 5-Amino-2-hydroxybenzoic Acid-13C65-Aminosalicylic Acid-13C6Fisalamine-13C65-ASA-13C6Mesalamine-13C6Asacol-13C6Asacolitin-13C6C