Inosine 5′-monophosphate

Inosine 5-monophosphate, commonly abbreviated as IMP or 5-IMP, is a naturally occurring nucleotide and purine ribonucleoside monophosphate. It is commercially identified by CAS 131-99-7 and EC 205-045-1, and is recognised in trade under synonyms including i-5'-p and 1-5'-P. IMP does not carry an E-number designation.

In food and nutrition applications, IMP functions as a flavour potentiator by binding to umami taste receptors and synergising with glutamates to amplify savoury perception at low use levels. In pharmaceutical and biotechnology contexts, it serves as a biochemical intermediate and reference compound in nucleotide metabolism research, and as a building block in the synthesis of nucleotide-based active ingredients.

IMP is available in solid form and supplied to food-grade and pharmaceutical-grade specifications, with compliance assessed against FCC and relevant REACH registration requirements. It is classified under HS code 29389090 for import and export purposes across EU member states.