Products 497-23-4

CAS 497-23-4 appears in our catalog under these names: 2-Furanone, 2(5H)–Furanone, 2(5H)-Furanone, 96% , gamma-Crotonolactone, >93.0%(GC), 2(5H)-Furanone. Offered by: TRC, GLPBio, Thermo Scientific (Alfa Aesar), TCI, Biosynth. Available pack sizes: 5g, 1g, 25g, 5ml, 25ml, 50g, 100g, 500g.

2-Furanone
TRC
  • size: 5g
  • Variants: 1
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2(5H)–Furanone
GLPBio
  • size: 1g
  • Variants: 1
from 545.55
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2(5H)-Furanone, 96%
Thermo Scientific (Alfa Aesar), Fluorochem
  • size: 1g, 5g, 25g, 250mg
  • Variants: 11
from 102.06
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gamma-Crotonolactone, >93.0%(GC)
TCI
  • size: 5ml, 25ml
  • Variants: 2
from 418.30
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2(5H)-Furanone
Biosynth
  • size: 25g, 50g, 100g, 500g
  • Variants: 5
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2(5H)-Furanone, 95%
Thermo Scientific (Acros)
  • size: 1g, 5g
  • Variants: 2
from 258.80
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2(5H)-Furanone, 99.94%
MedChemExpress
  • size: 10mM/1mL, 5 g, 1 g, 500 mg
  • Variants: 4
from 240.74
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2(5H)-Furanone (Standard)
MedChemExpress
  • size: 25 mg, 10 mg, 250 mg, 50 mg
  • Variants: 5
from 240.74
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2(5H)-Furanone 97%
Ambeed
  • size: 1000g
  • Variants: 1
from 3591.06
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2(5H)-Furanone, 97%
Ambeed
  • size: 1g, 5g, 25g, 100g
  • Variants: 6
from 125.62
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2(5H)-Furanone, 98%
Chemat, Sigma-Aldrich
  • size: 1g, 5g, 10g, 25g
  • Variants: 12
from 78.80
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2-Furanone, ISO 17034 RM
HPC Standards
  • size: 10mg
  • Variants: 1
from 1290.64
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Furan-2(5H)-one, 97%
BLDpharm
  • size: 1g, 5g, 25g, 100g
  • Variants: 6
from 125.54
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But-2-en-4-olide is a butenolide. It is a tautomer of a but-3-en-4-olide.

Source: ChEBI

Identity
Molecular formulaC4H4O2
Molecular weight84.07 g/mol
IUPAC name2H-furan-5-one
InChIKeyVIHAEDVKXSOUAT-UHFFFAOYSA-N
SMILESC1C=CC(=O)O1

Computed by PubChem (NCBI)

Synonyms: 2(5H)-Furanone, Furan-2(5H)-one, Isocrotonolactone, 2-Butenolide, 2H-furan-5-one, 2-Oxo-2,5-dihydrofuran, 2,5-dihydrofuran-2-one, 4-Hydroxy-2-butenoic acid lactone, gamma-Crotolactone, alpha,beta-Crotonolactone
Isomers (same molecular formula)
furan-2-ol C4H4O2
but-3-ynoic acid C4H4O2
methyl prop-2-ynoate C4H4O2
4-methylideneoxetan-2-one C4H4O2
but-2-ynoic acid C4H4O2
but-2-enedial C4H4O2
cyclobutane-1,3-dione C4H4O2
furan-3-one C4H4O2
methyl prop-2-ynoate C4H4O2
3H-furan-2-one C4H4O2
cyclobutane-1,2-dione C4H4O2