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Amlexanox

Amlexanox is a synthetic small-molecule chromone (benzopyrano[2,3-b]pyridine) carboxylic acid — systematically 2-amino-5-oxo-7-(propan-2-yl)-5H-chromeno[2,3-b]pyridine-3-carboxylic acid — and not a peptide.

Amlexanox is a small molecule — a chromone (benzopyrano[2,3-b]pyridine) carboxylic acid — not a peptide. It contains no amino-acid residues and no peptide bonds.

CAS 68302-57-8Mol. weight 298.29 g/molResearch Use Only · reference
2D structure of Amlexanox (computed from the verified SMILES)
2D depiction computed with RDKit from the verified SMILES.
Computed 3D conformation (illustrative) · from the verified structure.

Identity & structure

Amlexanox — identity and specification
Identity
CAS68302-57-8
PubChem CID2161
FDA UNIIBRL1C2459K
Also known asAA-673, AA 673, CHX-3673, Amoxanox
Research classSecretagogue & Regulatory
Structure
Molecular formulaC16H14N2O4
InChIKeySGRYPYWGNKJSDL-UHFFFAOYSA-N
Analytical
Average molecular weight298.29 g/mol
Monoisotopic mass298.0954 Da (computed)

Amlexanox is a synthetic chromone: a 5-oxo-5H-chromeno[2,3-b]pyridine (benzopyranopyridine) scaffold bearing a 2-amino group, a 7-(propan-2-yl) substituent, and a 3-carboxylic acid. It carries no amide-linked amino-acid residues, so it is not a peptide; the fused tricyclic ring system corresponds to the molecular formula C16H14N2O4 and is achiral (no stereocentres). Identity is reconciled against PubChem CID 2161: molecular formula, isomeric SMILES, and the InChIKey SGRYPYWGNKJSDL-UHFFFAOYSA-N all match, and that InChIKey re-keys exactly from the committed SMILES. CAS 68302-57-8 and FDA UNII BRL1C2459K denote the same species.

Reference context

Amlexanox is a synthetic small-molecule chromone (benzopyrano[2,3-b]pyridine) carboxylic acid — systematically 2-amino-5-oxo-7-(propan-2-yl)-5H-chromeno[2,3-b]pyridine-3-carboxylic acid — and not a peptide. It is listed here strictly as an analytical reference entity — it is not sold, stocked, or certified by Lineará, and has no price or certificate of analysis. The data on this page is characterization only: molecular formula C16H14N2O4 and the values computed from it. No biological activity, mechanism, or use is described or implied.

Listed solely as a characterized analytical reference — no representation is made as to any biological effect. For Research Use Only — not for human or veterinary use.

How Amlexanox is characterized

Identity rests on the molecular formula and mass. Electrospray mass spectrometry (ESI-MS) measures the mass-to-charge ratio of the intact molecule; the average and monoisotopic masses are computed from the verified formula and cross-check the composition. The molecular formula and the scaffold noted above define the composition.

CompositionMolecular formula
MassAverage & monoisotopic · ESI-MS
IdentityCAS · PubChem CID · UNII · InChIKey
Computed mass & m/z →How an HPLC trace is read →

Frequently asked questions

What is Amlexanox?
Amlexanox is a synthetic small-molecule chromone (benzopyrano[2,3-b]pyridine) carboxylic acid — systematically 2-amino-5-oxo-7-(propan-2-yl)-5H-chromeno[2,3-b]pyridine-3-carboxylic acid — and not a peptide. It is listed here strictly as an analytical reference entity — it is not sold, stocked, or certified by Lineará, and has no price or certificate of analysis. The data on this page is characterization only: molecular formula C16H14N2O4 and the values computed from it. No biological activity, mechanism, or use is described or implied.
Is Amlexanox a peptide?
Amlexanox is a small molecule — a chromone (benzopyrano[2,3-b]pyridine) carboxylic acid — not a peptide. It contains no amino-acid residues and no peptide bonds.
What is the structure of Amlexanox?
Amlexanox is a synthetic chromone: a 5-oxo-5H-chromeno[2,3-b]pyridine (benzopyranopyridine) scaffold bearing a 2-amino group, a 7-(propan-2-yl) substituent, and a 3-carboxylic acid. It carries no amide-linked amino-acid residues, so it is not a peptide; the fused tricyclic ring system corresponds to the molecular formula C16H14N2O4 and is achiral (no stereocentres). Identity is reconciled against PubChem CID 2161: molecular formula, isomeric SMILES, and the InChIKey SGRYPYWGNKJSDL-UHFFFAOYSA-N all match, and that InChIKey re-keys exactly from the committed SMILES. CAS 68302-57-8 and FDA UNII BRL1C2459K denote the same species.
What is the molecular formula of Amlexanox?
Amlexanox has the molecular formula C16H14N2O4, giving an average molecular weight of 298.29 g/mol and a computed monoisotopic mass of 298.0954 Da.
What are the key chemical identifiers for Amlexanox?
The CAS Registry Number for Amlexanox is 68302-57-8. Its PubChem CID is 2161, its FDA UNII is BRL1C2459K, and its InChIKey is SGRYPYWGNKJSDL-UHFFFAOYSA-N.
How is Amlexanox stored and reconstituted?
As a research material, Amlexanox is typically handled as a solid — kept desiccated, cool, and protected from light, with working stocks prepared in a suitable laboratory solvent. This is storage and handling information only, not a use protocol.
Does Lineará sell Amlexanox?
No. Amlexanox is listed here only as an analytical reference entity. It is not part of the Lineará formulary, has no price or certificate of analysis, and is not offered for sale.
Is Amlexanox approved for human use?
No. Amlexanox is presented strictly as characterization reference data. It is not a drug, is not approved for any human or veterinary use, and must not be administered to humans or animals.

Data, tools & related references

Peptide fundamentals
What are peptides? — peptide bonds, structure & chemistry
→
Peptide chemistry glossary — defined terms
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Analytical data & tools
Amlexanox molecular weight, m/z & pI
→
Peptide mass & m/z calculator
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Open compound dataset (CSV · JSON)
→
Research class
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References

  1. PubChem — compound identity, structure & computed properties (CID 2161). PubChem →
  2. CAS Registry Number 68302-57-8.
  3. FDA Global Substance Registration System — UNII BRL1C2459K.

Research professionals only

Reference data

This monograph is characterization reference data. Lineará does not sell, stock, or certify Amlexanox.

Browse Secretagogue & Regulatory researchHow to read a COA
áFor Research Use Only · Not for human or veterinary use · Not for diagnostic or therapeutic use

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