# Methyl 7-acetyloxy-2-(3,4-diacetyloxyphenyl)-5-(3-methoxy-3-oxoprop-1-enyl)-1-benzofuran-3-carboxylate;methyl 2-(3,4-diacetyloxyphenyl)-7-hydroxy-5-(3-methoxy-3-oxoprop-1-enyl)-2,3-dihydro-1-benzofuran-3-carboxylate;methyl 2-(3,4-dihydroxyphenyl)-7-hydroxy-5-(3-methoxy-3-oxoprop-1-enyl)-2,3-dihydro-1-benzofuran-3-carboxylate;methyl 2-(3,4-dimethoxyphenyl)-7-methoxy-5-(3-methoxy-3-oxoprop-1-enyl)-1-benzofuran-3-carboxylate CAS: 51274-37-4 PubChem CID: 167312572 InChIKey: GDKAZGCNMAWRDW-UHFFFAOYSA-N Molecular formula: C₄H₄O₅ Molar mass: 1793.6 g/mol IUPAC: methyl 7-acetyloxy-2-(3,4-diacetyloxyphenyl)-5-(3-methoxy-3-oxoprop-1-enyl)-1-benzofuran-3-carboxylate;methyl 2-(3,4-diacetyloxyphenyl)-7-hydroxy-5-(3-methoxy-3-oxoprop-1-enyl)-2,3-dihydro-1-benzofuran-3-carboxylate;methyl 2-(3,4-dihydroxyphenyl)-7-hydroxy-5-(3-methoxy-3-oxoprop-1-enyl)-2,3-dihydro-1-benzofuran-3-carboxylate;methyl 2-(3,4-dimethoxyphenyl)-7-methoxy-5-(3-methoxy-3-oxoprop-1-enyl)-1-benzofuran-3-carboxylate SMILES: CC(=O)OC1=C(C=C(C=C1)C2C(C3=C(O2)C(=CC(=C3)C=CC(=O)OC)O)C(=O)OC)OC(=O)C.CC(=O)OC1=C(C=C(C=C1)C2=C(C3=C(O2)C(=CC(=C3)C=CC(=O)OC)OC(=O)C)C(=O)OC)OC(=O)C.COC1=C(C=C(C=C1)C2=C(C3=C(O2)C(=CC(=C3)C=CC(=O)OC)OC)C(=O)OC)OC.COC(=O)C=CC1=CC2=C(C(=C1)O)OC(C2C(=O)OC)C3=CC(=C(C=C3)O)O InChI: InChI=1S/C26H22O11.C24H22O10.C23H22O8.C20H18O8/c1-13(27)34-19-8-7-17(12-20(19)35-14(2)28)24-23(26(31)33-5)18-10-16(6-9-22(30)32-4)11-21(25(18)37-24)36-15(3)29;1-12(25)32-18-7-6-15(11-19(18)33-13(2)26)22-21(24(29)31-4)16-9-14(5-8-20(28)30-3)10-17(27)23(16)34-22;1-26-16-8-7-14(12-17(16)27-2)21-20(23(25)30-5)15-10-13(6-9-19(24)29-4)11-18(28-3)22(15)31-21;1-26-16(24)6-3-10-7-12-17(20(25)27-2)18(28-19(12)15(23)8-10)11-4-5-13(21)14(22)9-11/h6-12H,1-5H3;5-11,21-22,27H,1-4H3;6-12H,1-5H3;3-9,17-18,21-23H,1-2H3 PSA: 495 A^2 Hydrogen bond donors: 4 Hydrogen bond acceptors: 37 Rotatable bonds: 37 Heavy atoms: 130 3D structure: 214 atoms, 222 bonds ## About the compound Methyl 7-acetyloxy-2-(3,4-diacetyloxyphenyl)-5-(3-methoxy-3-oxoprop-1-enyl)-1-benzofuran-3-carboxylate;methyl 2-(3,4-diacetyloxyphenyl)-7-hydroxy-5-(3-methoxy-3-oxoprop-1-enyl)-2,3-dihydro-1-benzofuran-3-carboxylate;methyl 2-(3,4-dihydroxyphenyl)-7-hydroxy-5-(3-methoxy-3-oxoprop-1-enyl)-2,3-dihydro-1-benzofuran-3-carboxylate;methyl 2-(3,4-dimethoxyphenyl)-7-methoxy-5-(3-methoxy-3-oxoprop-1-enyl)-1-benzofuran-3-carboxylate is a chemical compound registered under CAS number 51274-37-4. Molecular formula: C₄H₄O₅. Molar mass: 1793.6 g/mol. The full systematic IUPAC name is: methyl 7-acetyloxy-2-(3,4-diacetyloxyphenyl)-5-(3-methoxy-3-oxoprop-1-enyl)-1-benzofuran-3-carboxylate;methyl 2-(3,4-diacetyloxyphenyl)-7-hydroxy-5-(3-methoxy-3-oxoprop-1-enyl)-2,3-dihydro-1-benzofuran-3-carboxylate;methyl 2-(3,4-dihydroxyphenyl)-7-hydroxy-5-(3-methoxy-3-oxoprop-1-enyl)-2,3-dihydro-1-benzofuran-3-carboxylate;methyl 2-(3,4-dimethoxyphenyl)-7-methoxy-5-(3-methoxy-3-oxoprop-1-enyl)-1-benzofuran-3-carboxylate. The molecule contains 214 atoms connected by 222 chemical bonds. Chemical data comes from the PubChem (NIH), ChEMBL (EBI) and NIST WebBook databases. GHS statement translations comply with the CLP Regulation (EC 1272/2008). Interactive 3D model and 2D skeleton available at: https://molgod.org/molecule/51274-37-4/ ## Synonyms - 51274-37-4 MODEL VIEWS - ball-and-stick model (flat projection): https://molgod.org/wp-content/uploads/mol-god/viewer/51274-37-4/methyl-7-acetyloxy-2-3-4-diacetyloxyphenyl-5-3-methoxy-3-oxoprop-1-enyl-1-cas-51274-37-4-ball-and-stick-model-flat-projection-v1.png - skeletal model (flat projection): https://molgod.org/wp-content/uploads/mol-god/viewer/51274-37-4/methyl-7-acetyloxy-2-3-4-diacetyloxyphenyl-5-3-methoxy-3-oxoprop-1-enyl-1-cas-51274-37-4-skeletal-model-flat-projection-v1.png - space-filling model (flat projection): https://molgod.org/wp-content/uploads/mol-god/viewer/51274-37-4/methyl-7-acetyloxy-2-3-4-diacetyloxyphenyl-5-3-methoxy-3-oxoprop-1-enyl-1-cas-51274-37-4-space-filling-model-flat-projection-v1.png - 2D structure: https://molgod.org/wp-content/uploads/mol-god/viewer/51274-37-4/methyl-7-acetyloxy-2-3-4-diacetyloxyphenyl-5-3-methoxy-3-oxoprop-1-enyl-1-cas-51274-37-4-2d-structure-v1.png (c) 2026 MolGod.org. All rights reserved. https://molgod.org/copyright/#images ## Data sources - PubChem CID 167312572: https://pubchem.ncbi.nlm.nih.gov/compound/167312572 - NIST WebBook: https://webbook.nist.gov/cgi/cbook.cgi?ID=51274-37-4 - ChEMBL: https://www.ebi.ac.uk/chembl/g/#search_results/all/query=51274-37-4 --- Standalone HTML page: https://molgod.org/molecule/51274-37-4/ Canonical: https://molgod.org/molecule/51274-37-4/ Markdown version: https://molgod.org/molecule/51274-37-4.md JSON API: https://molgod.org/wp-json/molgod/v1/molecule/51274-37-4 Last updated: 2026-09-03 Licence: Chemical facts in this record come from the public sources credited above; MolGod.org claims no rights in them. The selection, arrangement and texts of this record are © MolGod.org, all rights reserved. Details: https://molgod.org/copyright/#data How to cite: MolGod.org. "Methyl 7-acetyloxy-2-(3,4-diacetyloxyphenyl)-5-(3-methoxy-3-oxoprop-1-enyl)-1-benzofuran-3-carboxylate;methyl 2-(3,4-diacetyloxyphenyl)-7-hydroxy-5-(3-methoxy-3-oxoprop-1-enyl)-2,3-dihydro-1-benzofuran-3-carboxylate;methyl 2-(3,4-dihydroxyphenyl)-7-hydroxy-5-(3-methoxy-3-oxoprop-1-enyl)-2,3-dihydro-1-benzofuran-3-carboxylate;methyl 2-(3,4-dimethoxyphenyl)-7-methoxy-5-(3-methoxy-3-oxoprop-1-enyl)-1-benzofuran-3-carboxylate (CAS 51274-37-4)." Last modified 2026-09-03. https://molgod.org/molecule/51274-37-4/ — for a chemical fact, cite its primary source (PubChem CID 167312572); for a 3D model file, cite its MolGod ID, the variant and the SHA-256 from its licence record. Generator: MOL-GOD v3.12.33