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3-hydroxy-4H-pyran-4-one

3-hydroxy-4H-pyran-4-one structure

CAS No.: 496-63-9

Chemical Name:: 3-hydroxy-4H-pyran-4-one

Synonyms: Pyromeconic acid;PyrocoMenic acid;3-Hydroxy-4-pyrone;Kojic Impurity 10;3-Hydroxy-γ-pyrone;3-hydroxypyran-4-one;(S)-Propargylglycine;Avobenzone Impurity 3;3-hydroxy-4H-pyran-4-one;4H-Pyran-4-one, 3-hydroxy-

CBNumber:: CB6929264

Molecular Formula:: C5H4O3

Molecular Weight:: 112.08

MDL Number:: MFCD09863957

MOL File:: 496-63-9.mol

MSDS File:: SDS

Last updated:2026-04-22 18:57:36

Product description	Number	Pack Size	Price
3-hydroxy-4H-pyran-4-one 97.0%	H23906	1g	$144
3-hydroxy-4H-pyran-4-one 97.0%	H23906	5g	$180
3-hydroxy-4H-pyran-4-one 97.0%	H23906	10g	$350
Pyromeconic acid	A9933	25mg	$50
Pyromeconic acid >98%(HPLC)	orb1220305	10mg	$100
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3-hydroxy-4H-pyran-4-one Properties

Melting point	117-118°C
Boiling point	298.7±40.0 °C(Predicted)
Density	1.483±0.06 g/cm3(Predicted)
storage temp.	Sealed in dry,Store in freezer, under -20°C
solubility	DMSO (Slightly), Methanol (Slightly)
pka	8.16±0.10(Predicted)
form	Solid
color	White to Beige
InChI	InChI=1S/C5H4O3/c6-4-1-2-8-3-5(4)7/h1-3,7H
InChIKey	VEYIMQVTPXPUHA-UHFFFAOYSA-N
SMILES	C1OC=CC(=O)C=1O
FDA UNII	8J0G2X46R7
EPA Substance Registry System	4H-Pyran-4-one, 3-hydroxy- (496-63-9)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H319-H315-H335
Precautionary statements	P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362
TSCA	TSCA listed

3-hydroxy-4H-pyran-4-one price More Price(37)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Synthonix	H23906	3-hydroxy-4H-pyran-4-one 97.0%	496-63-9	1g	$144	2026-05-06	Buy
Synthonix	H23906	3-hydroxy-4H-pyran-4-one 97.0%	496-63-9	5g	$180	2026-05-06	Buy
Synthonix	H23906	3-hydroxy-4H-pyran-4-one 97.0%	496-63-9	10g	$350	2026-05-06	Buy
ApexBio Technology	A9933	Pyromeconic acid	496-63-9	25mg	$50	2026-05-06	Buy
Biorbyt Ltd	orb1220305	Pyromeconic acid >98%(HPLC)	496-63-9	10mg	$100	2026-05-06	Buy

Product number	Packaging	Price	Buy
H23906	1g	$144	Buy
H23906	5g	$180	Buy
H23906	10g	$350	Buy
A9933	25mg	$50	Buy
orb1220305	10mg	$100	Buy

3-hydroxy-4H-pyran-4-one Chemical Properties,Uses,Production

Chemical Properties

Off-White to Pale Yellow Solid

Uses

Pyromeconic acid is an important intermediate of synthesizing maltoland its homologous.

3-hydroxy-4H-pyran-4-one Preparation Products And Raw materials

Raw materials

Preparation Products

4H-Pyran-4-one,3-methoxy-(6CI,7CI,8CI,9CI)

3-hydroxy-4H-pyran-4-one Suppliers

Global( 157)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-29-81139210 +86-18192627656	1059@dideu.com	China	3589	58
Capot Chemical Co.,Ltd.	+8613336195806	sales@capot.com	China	29640	60
Nanjing ChemLin Chemical Industry Co., Ltd.	025-83697070	product@chemlin.com.cn	CHINA	3009	60
Shanghai Zheyan Biotech Co., Ltd.	18017610038	zheyansh@163.com	CHINA	3619	58
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29816	58
Chengdu GLP biotechnology Co Ltd	028-87075086 13350802083	scglp@glp-china.com	CHINA	1824	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49979	58
TargetMol Chemicals Inc.	+1-781-999-5354; +17819995354	marketing@targetmol.com	United States	32467	58
ANHUI WITOP BIOTECH CO., LTD	+8615255079626	eric@witopchemical.com	China	23541	58
Finetech Industry Limited	+86-27-8746-5837 +8619945049750	info@finetechnology-ind.com	China	9540	58

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
Capot Chemical Co.,Ltd.	60
Nanjing ChemLin Chemical Industry Co., Ltd.	60
Shanghai Zheyan Biotech Co., Ltd.	58
career henan chemical co	58
Chengdu GLP biotechnology Co Ltd	58
CONIER CHEM AND PHARMA LIMITED	58
TargetMol Chemicals Inc.	58
ANHUI WITOP BIOTECH CO., LTD	58
Finetech Industry Limited	58

View Lastest Price from 3-hydroxy-4H-pyran-4-one manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-04-22	Pyromeconic acid 496-63-9	US $36.00-56.00 / mg		99.85%	10g	TargetMol Chemicals Inc.
2025-12-12	3-hydroxy-4H-pyran-4-one 496-63-9	US $30.00-20.00 / KG	1KG	99%	3000KG	Shaanxi Dideu Medichem Co. Ltd
2022-02-21	3-hydroxy-4H-pyran-4-one 496-63-9	US $0.00 / KG	1KG	97.4%	100 tons	Honest Joy Holdings Limited

Pyromeconic acid
496-63-9
US $36.00-56.00 / mg
99.85%
TargetMol Chemicals Inc.

3-hydroxy-4H-pyran-4-one
496-63-9
US $30.00-20.00 / KG
99%
Shaanxi Dideu Medichem Co. Ltd

3-hydroxy-4H-pyran-4-one
496-63-9
US $0.00 / KG
97.4%
Honest Joy Holdings Limited

3-hydroxy-4H-pyran-4-one Spectrum

3-hydroxy-4H-pyran-4-one(496-63-9)¹HNMR

496-63-9(3-hydroxy-4H-pyran-4-one )Related Search:

Maltol propionate 3-Hydroxy-2-methyl-4H-pyran-4-one Kojic acid Ethyl maltol Maltol isobutyrate

3-(BENZYLOXY)-2-METHYL-4H-PYRAN-4-ONE 2-(HYDROXYMETHYL)-5-METHOXY-4H-PYRAN-4-ONE ALUMINUM 3-HYDROXY-2-METHYL-4-PYRONATE Aureothin (2-CHLOROMETHYL)-5-HYDROXY-4H-PYRAN-4-ONE

phenoxan KOJIC ACID SODIUM SALT HYDRATE Dactylfungin B 3-HYDROXY-2,6-BIS(HYDROXYMETHYL)-4-PYRONE ACTINOPYRONE B

ACTINOPYRONE A ACTINOPYRONE C 2-HYDROXY-6-METHYL-3-PROPIONYL-PYRAN-4-ONE

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3-Hydroxy-4-pyrone 3-hydroxy-4H-pyran-4-one 3-hydroxypyran-4-one 3-Hydroxy-γ-pyrone PyrocoMenic acid Pyromeconic acid 4H-Pyran-4-one, 3-hydroxy- (S)-Propargylglycine Kojic Impurity 10 Avobenzone Impurity 3 Pyromeconic acid, 10 mM in DMSO 496-63-9 Heterocycles Intermediates & Fine Chemicals Pharmaceuticals