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Periodic Table/Compounds/591-11-7

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© Melvin Olsson 2025–2026
Data: IAEA & PubChem

591-11-7

C₅H₆O₂·98.100 g/mol·CID 11558

IUPAC: 2-methyl-2H-furan-5-one

Also known as: 5-Methyl-2(5H)-furanone, 5-Methylfuran-2(5H)-one, beta-Angelica lactone, 2-Penten-4-olide, 2(5H)-FURANONE, 5-METHYL- (+14 more)

2D structure of 591-11-7

Molecular Structure

Molecular Propertiesmass · H-bonds · stereo

Molecular Weight

98.100g/mol

Exact Mass

98.036779Da

Monoisotopic Mass

98.036779Da

XLogP

0.6

Polar Surface Area

26.3Ų

Complexity

115

Formal Charge

0

H-Bond Donors

0

H-Bond Acceptors

2

Rotatable Bonds

0

Heavy Atoms

7

Stereo Centers

0

Bond Stereo

0

Drug-Likeness (Lipinski's Rule of Five)

✓ 98.1 g/mol
MW ≤ 500
✓ 0.6
LogP ≤ 5
✓ 0
H-bond donors ≤ 5
✓ 2
H-bond acceptors ≤ 10

Passes all rules — good oral bioavailability predicted

GHS Hazard Classification

Warning
Irritant
Irritant
Hazards
  • H227Combustible liquid
  • H315Causes skin irritation
  • H317May cause an allergic skin reaction
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Source: PubChem GHS Classification. Always consult the SDS for handling.

Chemical IdentifiersSMILES · InChI

InChI

InChI=1S/C5H6O2/c1-4-2-3-5(6)7-4/h2-4H,1H3

Isomers8 compounds with formula C₅H₆O₂

2D structure of furan-2-ylmethanol

furan-2-ylmethanol

CID 7361 · 98.1 g/mol

2D structure of 5-methyl-3H-furan-2-one

5-methyl-3H-furan-2-one

CID 11559 · 98.1 g/mol

2D structure of ethenyl prop-2-enoate

ethenyl prop-2-enoate

CID 75118 · 98.1 g/mol

2D structure of 3-methylideneoxolan-2-one

3-methylideneoxolan-2-one

CID 68352 · 98.1 g/mol

2D structure of cyclopentane-1,3-dione

cyclopentane-1,3-dione

CID 77466 · 98.1 g/mol

2D structure of pent-4-ynoic acid

pent-4-ynoic acid

CID 22464 · 98.1 g/mol

2D structure of 5-methylfuran-3-one

5-methylfuran-3-one

CID 12711594 · 98.1 g/mol

2D structure of prop-2-ynyl acetate

prop-2-ynyl acetate

CID 69388 · 98.1 g/mol

External Resources

PubChem ↗Wikipedia ↗