4-Methoxy-6-methyl-2H-pyran-2-one

Modify Date: 2026-07-11 11:08:58

4-Methoxy-6-methyl-2H-pyran-2-one Structure
4-Methoxy-6-methyl-2H-pyran-2-one structure
Common Name 4-Methoxy-6-methyl-2H-pyran-2-one
CAS Number 672-89-9 Molecular Weight 140.13700
Density 1.14g/cm3 Boiling Point 280.3ºC at 760 mmHg
Molecular Formula C7H8O3 Melting Point 83-86ºC
MSDS N/A Flash Point 112.6ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 4-Methoxy-6-Methyl-2H-Pyran-2-One
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.14g/cm3
Boiling Point 280.3ºC at 760 mmHg
Melting Point 83-86ºC
Molecular Formula C7H8O3
Molecular Weight 140.13700
Flash Point 112.6ºC
Exact Mass 140.04700
PSA 39.44000
LogP 0.95680
Appearance of Characters Solid
Index of Refraction 1.492
InChIKey MTZAUZNQAMNFME-UHFFFAOYSA-N
SMILES COc1cc(C)oc(=O)c1
Water Solubility Poorly soluble in water.

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ1225500
CHEMICAL NAME :
2H-Pyran-2-one, 4-methoxy-6-methyl-
CAS REGISTRY NUMBER :
672-89-9
BEILSTEIN REFERENCE NO. :
0115970
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C7-H8-O3
MOLECULAR WEIGHT :
140.15
WISWESSER LINE NOTATION :
T6OVJ DO1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
820 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 19,617,1969
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
650 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
ARZNAD Arzneimittel-Forschung. Drug Research. (Editio Cantor Verlag, Postfach 1255, W-7960 Aulendorf, Fed. Rep. Ger.) V.1- 1951- Volume(issue)/page/year: 19,617,1969

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

WGK Germany 3
RTECS UQ1225500
HS Code 2932999099

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2932999099
Summary 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 4-Methoxy-6-methyl-2H-pyran-2-oneBioassay

View more

This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Induction of apoptosis in human U937 cells assessed as reduction of normal cells at 5...
Source: ChEMBL
Target: U-937
External Id: CHEMBL2209391
Name: HIV Enzyme Data
Source: NIAID
Target: N/A
External Id: HIV Enzyme Data
Name: Pro-oxidant activity in 0.1 M potassium phosphate buffer at pH 7.4 assessed as increa...
Source: ChEMBL
Target: N/A
External Id: CHEMBL2216504
Name: Induction of cell differentiation in human U937 cells assessed as increase of CD11b a...
Source: ChEMBL
Target: U-937
External Id: CHEMBL2216511
Total 4, Current Page 1 of 1
1

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

MFCD00006640
4-methoxy-6-methylpyran-2-one
EINECS 211-600-9

 4-Methoxy-6-methyl-2H-pyran-2-one | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What English synonyms does 4-Methoxy-6-Methyl-2H-Pyran-2-One have?
A: English synonyms of 4-Methoxy-6-Methyl-2H-Pyran-2-One: MFCD00006640, 4-methoxy-6-methylpyran-2-one, EINECS 211-600-9.
Q: How is the water solubility of 4-Methoxy-6-Methyl-2H-Pyran-2-One?
A: Water solubility of 4-Methoxy-6-Methyl-2H-Pyran-2-One: Poorly soluble in water.
Q: What is the melting point of 4-Methoxy-6-Methyl-2H-Pyran-2-One?
A: Melting point of 4-Methoxy-6-Methyl-2H-Pyran-2-One is 83-86ºC.
Q: What is the polar surface area (PSA) of 4-Methoxy-6-Methyl-2H-Pyran-2-One?
A: Polar surface area (PSA) of 4-Methoxy-6-Methyl-2H-Pyran-2-One is 39.44000.
Q: What is the physical appearance of 4-Methoxy-6-Methyl-2H-Pyran-2-One?
A: 4-Methoxy-6-Methyl-2H-Pyran-2-One appears as Solid.
Q: What is the SMILES notation of 4-Methoxy-6-Methyl-2H-Pyran-2-One?
A: SMILES notation of 4-Methoxy-6-Methyl-2H-Pyran-2-One is COc1cc(C)oc(=O)c1.
Q: What is the CAS number of 4-Methoxy-6-Methyl-2H-Pyran-2-One?
A: CAS number of 4-Methoxy-6-Methyl-2H-Pyran-2-One is 672-89-9.
Q: What is the InChIKey of 4-Methoxy-6-Methyl-2H-Pyran-2-One?
A: InChIKey of 4-Methoxy-6-Methyl-2H-Pyran-2-One is MTZAUZNQAMNFME-UHFFFAOYSA-N.
Q: What is the molecular formula of 4-Methoxy-6-Methyl-2H-Pyran-2-One?
A: Molecular formula of 4-Methoxy-6-Methyl-2H-Pyran-2-One is C7H8O3.
Q: What are the upstream materials of 4-Methoxy-6-Methyl-2H-Pyran-2-One?
A: Related upstream materials(CAS) of 4-Methoxy-6-Methyl-2H-Pyran-2-One: 675-10-5;77-78-1;512-56-1;80-48-8;67-64-1;186581-53-3;67-56-1;926-66-9;4188-63-0;771-03-9.

 4-Methoxy-6-methyl-2H-pyran-2-onefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.