3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one
IUPAC: 3-acetyl-4-hydroxy-6-methylpyran-2-one
Plain text
Chemfused. (2026). 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one, CAS 771-03-9. Retrieved 2026-07-25 from https://chemfused.com/cas/771-03-9
BibTeX
@misc{chemfused-cas-771039,
title = {3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one, CAS 771-03-9},
author = {Chemfused},
year = {2026},
url = {https://chemfused.com/cas/771-03-9},
urldate = {2026-07-25}
}
3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one (CAS 771-03-9) is a chemical compound with molecular formula C8H8O4 and molecular weight 168.15 g/mol .
What is 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one?
- Molecular Formula
- C8H8O4
- Molecular Weight
- 168.15 g/mol
- Melting Point
- 109 °C
Structure Identifiers
- SMILES
- CC1=CC(=C(C(=O)O1)C(=O)C)O
- InChI
- InChI=1S/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,10H,1-2H3
- InChIKey
- PKLPQOJFHFGVBS-UHFFFAOYSA-N
Properties
Computed
Calculated molecular descriptors used in drug design and computational chemistry.
- Exact Mass
- 168.0423 Da
- XLogP
- 1.00
- TPSA
- 63.6 Ų
- H-Bond Donors
- 1
- H-Bond Acceptors
- 4
- Complexity
- 309
- Formal Charge
- 0
Safety information
No safety data available for this chemical.
Synonyms (81)
- Q920725
- 771-03-9
- AAA77103
- HSDB 291
- SY083793
- AI3-01464
- DB-365912
- DHA (VAN)
- EBC-13466
- STK801879
- STL146176
- 2KAG279R6R
- 45990-86-1
- 53488-80-5
- CS-0371456
- F3282-0017
- HMS2267L15
- NS00079672
- NSC 139150
- NSC-139150
- Z104500152
- ALBB-021316
- BRN 0006129
- BDBM50012423
- MFCD00006634
- MLS001049074
- SCHEMBL17788
- SMR000386912
- AKOS000120795
- AKOS003406223
- AKOS004119848
- CHEMBL1724669
- CHEMBL3306255
- SMSSF-0055811
- dehydroacetate
- DTXSID20892343
- DTXSID60892342
- DTXSID70874033
- SCHEMBL1308058
- Caswell No. 278
- DTXCID001160069
- DTXSID801015814
- NCGC00246194-01
- RefChem:1067258
- SCHEMBL14447243
- UNII-2KAG279R6R
- EINECS 208-293-9
- EINECS 212-227-4
- dehydroacetic-acid
- DEHYDROACETIC ACID [II]
Show 31 more names Show fewer names
- DEHYDROACETIC ACID [MI]
- Dehydroacetic enol form
- DEHYDROACETIC ACID [FCC]
- DEHYDROACETIC ACID [HSDB]
- Dehydroacetic Acid [USAN]
- DEHYDROACETIC ACID [MART.]
- DEHYDROACETIC ACID [USP-RS]
- Kyselina dehydroacetova [Czech]
- EPA Pesticide Chemical Code 027801
- 2-Hydroxy-3-acetyl-6-methyl-4-pyrone
- 3-acetyl-6-methyl-4-hydroxy-2-pyrone
- 3-acetyl-6-methylpyran-2,4(3h)-dione
- 3-acetyl-4-hydroxy-6-methylpyran-2-one
- 3-Acetyl-6-methyl-4-hydroxypyran-2-one
- 3-acetyl-2-hydroxy-6-methyl-pyran-4-one
- 3-Acetyl-4-hydroxy-6-methyl-pyran-2-one
- 3-acetyl-2-hydroxy-6-methyl-4H-pyran-4-one
- 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one
- 3-acetyl-4-hydroxy-6-methyl-2H -pyran-2-one
- 2H-Pyran-2-one, 3-acetyl-4-hydroxy-6-methyl-
- 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one #
- 4-17-00-06699 (Beilstein Handbook Reference)
- 4H-Pyran-4-one, 3-acetyl-2-hydroxy-6-methyl-
- 3-acetyl-6-methyl-3,4-dihydro-2H-2,4-pyrandione
- 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione, ion(1-),
- 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione. enol form
- 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid, delta-lactone
- 3-(1-Hydroxyethylidene)-6-methyl-2H-pyran-2,4(3H)-dione
- 4-Hexenoic acid, 2-acetyl-5-hydroxy-3-oxo-, delta-lactone
- (Z)-3-(1-hydroxyethylidene)-6-methyl-2H-pyran-2,4(3H)-dione
- (3E)-3-(1-Hydroxyethylidene)-6-methyl-2H-pyran-2,4(3H)-dione
Frequently asked questions
What is the CAS number of 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one?
The CAS Registry Number for 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one is 771-03-9.
What is the IUPAC name of 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one?
The IUPAC name of 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one is 3-acetyl-4-hydroxy-6-methylpyran-2-one.
What is the molecular formula of 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one?
3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one has the molecular formula C8H8O4 and a molecular weight of 168.15 g/mol.
What is the SMILES notation for 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one?
The SMILES notation for 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one is CC1=CC(=C(C(=O)O1)C(=O)C)O.
What is the melting point of 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one?
The melting point of 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one is 109 °C.
What are other names for 3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one?
3-Acetyl-4-hydroxy-6-methyl-2H-pyran-2-one is also known as (3E)-3-(1-Hydroxyethylidene)-6-methyl-2H-pyran-2,4(3H)-dione, (Z)-3-(1-hydroxyethylidene)-6-methyl-2H-pyran-2,4(3H)-dione, 2-Acetyl-5-hydroxy-3-oxo-4-hexenoic acid, delta-lactone, 2-Hydroxy-3-acetyl-6-methyl-4-pyrone, 2H-Pyran-2-one, 3-acetyl-4-hydroxy-6-methyl-.
Data sourced from PubChem CID 54678494. Last updated .
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