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ChemicalBook >> CAS DataBase List >> 5,6-Dihydro-2H-pyran-2-one

5,6-Dihydro-2H-pyran-2-one

5,6-Dihydro-2H-pyran-2-one price.
  • $12 - $3801
  • Product name: 5,6-Dihydro-2H-pyran-2-one
  • CAS: 3393-45-1
  • MF: C5H6O2
  • MW: 98.1
  • EINECS:628-075-0
  • MDL Number:MFCD00010439
  • Synonyms:2-Pentenoic acid, 5-hydroxy-, delta-lactone;5,6-Dihydro-2-pyranone;5,6-DIHYDRO-2H-PYRAN-2-ONE, TECH GRADE, 90%;5,6-Dihydro-2H-pyran-2-one technical grade, 90%;5,6-Dihydro-2H-pyran-2-one;2,5-dihydropyran-6-one;5,6-Dihydro-alpha-pyrone;5-Hydroxy-2-pentenoic acid delta-lactone
Price54 Properties Safety Information Description
54 prices
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Brand
  • aablocks
  • ACHEMBLOCK
  • Acrotein
  • AHH
  • AK Scientific
  • Alichem
  • Ambeed
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Arctom
  • Biosynth
  • Sigma-Aldrich
  • SynQuest Laboratories
  • TCI Chemical
  • TRC
  • Usbiological
Package
  • 50mg
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  • 0.25g
  • 0.5g
  • 500mg
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  • 5g
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  • 25g
  • 100g
  • 500g
  • Manufactureraablocks
  • Product numberAA003M75
  • Product description5,6-Dihydro-2H-pyran-2-one 95%
  • Packaging250mg
  • Price$12
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003M75
  • Product description5,6-Dihydro-2H-pyran-2-one 95%
  • Packaging500mg
  • Price$18
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003M75
  • Product description5,6-Dihydro-2H-pyran-2-one 95%
  • Packaging1g
  • Price$25
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003M75
  • Product description5,6-Dihydro-2H-pyran-2-one 95%
  • Packaging5g
  • Price$80
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003M75
  • Product description5,6-Dihydro-2H-pyran-2-one 95%
  • Packaging10g
  • Price$121
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003M75
  • Product description5,6-Dihydro-2H-pyran-2-one 95%
  • Packaging25g
  • Price$260
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003M75
  • Product description5,6-Dihydro-2H-pyran-2-one 95%
  • Packaging100g
  • Price$927
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX182844
  • Product description5,6-Dihydro-2H-pyran-2-one 95%
  • Packaging100G
  • Price$930
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX182844
  • Product description5,6-Dihydro-2H-pyran-2-one 95%
  • Packaging25G
  • Price$255
  • Updated2026-05-27
  • Buy
  • ManufacturerAcrotein
  • Product numberAS04229
  • Product description5,6-Dihydro-2H-pyran-2-one 97%
  • Packaging25g
  • Price$366.67
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberAS04229
  • Product description5,6-Dihydro-2H-pyran-2-one 97%
  • Packaging10g
  • Price$161.33
  • Updated2026-05-25
  • Buy
  • ManufacturerAcrotein
  • Product numberAS04229
  • Product description5,6-Dihydro-2H-pyran-2-one 97%
  • Packaging5g
  • Price$91.67
  • Updated2026-05-25
  • Buy
  • ManufacturerAHH
  • Product numberMT-09772
  • Product description5,6-Dihydro-2H-pyran-2-one 97%
  • Packaging25g
  • Price$558
  • Updated2026-05-26
  • Buy
  • ManufacturerAK Scientific
  • Product numberX2978
  • Product description5,6-Dihydro-2H-pyran-2-one
  • Packaging25g
  • Price$1464
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number3393451
  • Product description5,6-Dihydro-2H-pyran-2-one
  • Packaging5g
  • Price$215.13
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA550479
  • Product description5,6-Dihydro-2H-pyran-2-one 95%
  • Packaging5g
  • Price$164
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003M75 5,6-Dihydro-2H-pyran-2-one 95% 250mg $12 2026-05-28 Buy
aablocks AA003M75 5,6-Dihydro-2H-pyran-2-one 95% 500mg $18 2026-05-28 Buy
aablocks AA003M75 5,6-Dihydro-2H-pyran-2-one 95% 1g $25 2026-05-28 Buy
aablocks AA003M75 5,6-Dihydro-2H-pyran-2-one 95% 5g $80 2026-05-28 Buy
aablocks AA003M75 5,6-Dihydro-2H-pyran-2-one 95% 10g $121 2026-05-28 Buy
aablocks AA003M75 5,6-Dihydro-2H-pyran-2-one 95% 25g $260 2026-05-28 Buy
aablocks AA003M75 5,6-Dihydro-2H-pyran-2-one 95% 100g $927 2026-05-28 Buy
ACHEMBLOCK X182844 5,6-Dihydro-2H-pyran-2-one 95% 100G $930 2026-05-27 Buy
ACHEMBLOCK X182844 5,6-Dihydro-2H-pyran-2-one 95% 25G $255 2026-05-27 Buy
Acrotein AS04229 5,6-Dihydro-2H-pyran-2-one 97% 25g $366.67 2026-05-25 Buy
Acrotein AS04229 5,6-Dihydro-2H-pyran-2-one 97% 10g $161.33 2026-05-25 Buy
Acrotein AS04229 5,6-Dihydro-2H-pyran-2-one 97% 5g $91.67 2026-05-25 Buy
AHH MT-09772 5,6-Dihydro-2H-pyran-2-one 97% 25g $558 2026-05-26 Buy
AK Scientific X2978 5,6-Dihydro-2H-pyran-2-one 25g $1464 2021-12-16 Buy
Alichem 3393451 5,6-Dihydro-2H-pyran-2-one 5g $215.13 2021-12-16 Buy
Ambeed A550479 5,6-Dihydro-2H-pyran-2-one 95% 5g $164 2021-12-16 Buy
Next Last

Properties

Boiling point :103 °C/10 mmHg (lit.)
Density :1.139 g/mL at 25 °C (lit.)
refractive index :n20/D 1.483(lit.)
Flash point :115 °F
storage temp. :2-8°C
form :clear liquid
color :Colorless to Light orange to Yellow
Sensitive :Moisture Sensitive
BRN :1610
InChI :InChI=1S/C5H6O2/c6-5-3-1-2-4-7-5/h1,3H,2,4H2
InChIKey :QBDAFARLDLCWAT-UHFFFAOYSA-N
SMILES :C1(=O)OCCC=C1
CAS DataBase Reference :3393-45-1

Safety Information

Symbol(GHS): Flame (GHS02)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H226 Flammable liquid and vapour Flammable liquids Category 3 Warning
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…

Description

5,6-Dihydro-2H-pyran-2-one has been used in the preparation of:(1aR,5aR,5bS,6S,7S)-6,7-di-tert-butoxy-5-oxo-pyrrolidino[1,2-b]isoxazolidino[4,5-c]tetrahydropyran4-(phenyl)tetrahydro-2H-pyran-2-one

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Suppliers and manufacturers

Sci General Material & Chemical Ltd J & K SCIENTIFIC LTD. Alfa Aesar TCI (Shanghai) Development Co., Ltd. JinYan Chemicals(ShangHai) Co.,Ltd. Shanghai Hanhong Scientific Co.,Ltd. Shanghai Cuisen Pharmaceutical Technology Co., Ltd. T&W GROUP Jiangsu Aikon Biopharmaceutical R&D co.,Ltd. Shanghai Jian Chao Chemical Technology Co., Ltd.