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3-Carbomethoxy-2-pyrone

3-Carbomethoxy-2-pyrone Structure
3-Carbomethoxy-2-pyrone structure
CAS No.
25991-27-9
Chemical Name:
3-Carbomethoxy-2-pyrone
Synonyms
METHYL 2-PYRONE-3-CARBOXYLATE;3-Carbomethoxy-2-pyrone;3-Carbomethoxy-2-pyrone,99%;3-CARBOMETHOXY-2-PYRONE 99%;methyl2-oxopyran-3-carboxylate;METHYL 2-OXO-2 H-PYRAN-3-CARBOXYLATE;Methyl 2-oxo-2H-pyran-3-carboxylate 98%;METHYL 2-OXO-2H-PYRAN-3-CARBOXYLATE, 99+ %;Methyl 2-oxo-2H-pyran-3-carboxylate;methyl 2-oxopyran-3-carboxylate - [M85983]
CBNumber:
CB2385545
Molecular Formula:
C7H6O4
Molecular Weight:
154.12
MDL Number:
MFCD00075443
MOL File:
25991-27-9.mol
MSDS File:
SDS
Last updated:2026-09-12 18:51:17
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3-Carbomethoxy-2-pyrone Properties

Melting point 75-77 °C (lit.)
Boiling point 146-148 °C/0.75 mmHg (lit.)
Density 1.1993 (rough estimate)
refractive index 1.4300 (estimate)
Flash point 146-148°C/0.75mm
storage temp. Sealed in dry,Room Temperature
form powder
Appearance Light yellow to yellow Solid
BRN 1424749
InChI InChI=1S/C7H6O4/c1-10-6(8)5-3-2-4-11-7(5)9/h2-4H,1H3
InChIKey GJVZWOMUTYNUCE-UHFFFAOYSA-N
SMILES C1(=O)OC=CC=C1C(OC)=O
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)Skull and Crossbones (GHS06)Health Hazard (GHS08)
GHS05,GHS06,GHS08
Signal word  Danger
Hazard statements  H301+H311+H331-H314-H341
Precautionary statements  P501-P260-P270-P202-P201-P271-P264-P280-P308+P313-P361+P364-P303+P361+P353-P301+P330+P331-P301+P310+P330-P304+P340+P310-P305+P351+P338+P310-P403+P233-P405
PPE Eyeshields, Gloves, type N95 (US)
Hazard Codes  Xn
Risk Statements  22
Safety Statements  22-24/25
WGK Germany  3
F  21
HS Code  2932209090
Storage Class 11 - Combustible Solids
NFPA 704
0
1 0

3-Carbomethoxy-2-pyrone price More Price(39)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 359475 Methyl 2-oxo-2H-pyran-3-carboxylate 98% 25991-27-9 5g $142 2026-04-30 Buy
Apolloscientific OR17032 Methyl 2-oxo-2H-pyran-3-carboxylate 96% 25991-27-9 1g $21 2026-06-04 Buy
Apolloscientific OR17032 Methyl 2-oxo-2H-pyran-3-carboxylate 96% 25991-27-9 5g $64 2026-06-04 Buy
Apolloscientific OR17032 Methyl 2-oxo-2H-pyran-3-carboxylate 96% 25991-27-9 25g $298 2026-06-04 Buy
Activate Scientific AS153000 Methyl 2-Oxopyran-3-carboxylate 98% 25991-27-9 1g $41 2026-06-04 Buy
Product number Packaging Price Buy
359475 5g $142 Buy
OR17032 1g $21 Buy
OR17032 5g $64 Buy
OR17032 25g $298 Buy
AS153000 1g $41 Buy

3-Carbomethoxy-2-pyrone Chemical Properties, Uses, Production

Chemical Properties

LIGHT YELLOW CRYSTALLINE SOLID

Uses

Methyl 2-oxo-2H-pyran-3-carboxylate is used as a reagent to investigate alfa, beta-unsaturated carbonyl compounds for their cytotoxic profiles against oral human normal and tumor cells.

General Description

Methyl 2-oxo-2H-pyran-3-carboxylate is a cyclic α,β -unsaturated ketone. It activates caspases-3, -8 and -9 weakly in HL-60 cells.

3-Carbomethoxy-2-pyrone Preparation Products And Raw materials

Raw materials

Preparation Products

3-Methoxycarbonylphenylboronic acid pinacol ester 2-Oxo-1-o-tolyl-1,2-dihydro-pyridine-3-carboxylic acid

3-Carbomethoxy-2-pyrone Suppliers

Global Suppliers ( 87)
Supplier Tel Email Country ProdList Advantage
Chongqing Kangheyuecheng Pharmaceutical Technology Co., Ltd. 023-61183015; 13271886913 kangheyuecheng@163.com China 325 55
Nanjing Habo Medical Technology Co., Ltd. 13376080562 13376090521 sales@habotech.com China 724 60
PharmaBlock Sciences (Nanjing),Inc. 025-86918202 4000255188 sales@pharmablock.com China 5000 55
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11777 60
Accela ChemBio Co.,Ltd. 021-50795510 4000665055 marketing@accelachem.com China 10972 64
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Zhengzhou HongSheng Pharmaceutical Co., Ltd. 0371-0371-13526885213 15637198702 hsyykjchem@163.com China 1854 58
Supplier Advantage
Chongqing Kangheyuecheng Pharmaceutical Technology Co., Ltd. 55
Nanjing Habo Medical Technology Co., Ltd. 60
PharmaBlock Sciences (Nanjing),Inc. 55
Alfa Aesar 84
Energy Chemical 61
Beijing Ouhe Technology Co., Ltd 60
Accela ChemBio Co.,Ltd. 64
Shanghai Hanhong Scientific Co.,Ltd. 64
Bide Pharmatech Ltd. 60
Zhengzhou HongSheng Pharmaceutical Co., Ltd. 58

View Latest Price from 3-Carbomethoxy-2-pyrone manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3-CARBOMETHOXY-2-PYRONE pictures 2026-08-20 3-CARBOMETHOXY-2-PYRONE
25991-27-9
 $1.10 1g 99.00% 100 Tons Min Dideu Industries Group Limited
3-CARBOMETHOXY-2-PYRONE pictures 2019-12-20 3-CARBOMETHOXY-2-PYRONE
25991-27-9
 $1.00 1KG 99% Career Henan Chemical Co

3-Carbomethoxy-2-pyrone Spectrum

3-CARBOMETHOXY-2-PYRONE(25991-27-9)1HNMR3-CARBOMETHOXY-2-PYRONE(25991-27-9)IR3-CARBOMETHOXY-2-PYRONE(25991-27-9)Raman3-CARBOMETHOXY-2-PYRONE(25991-27-9)FT-IR

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METHYL 2-OXO-2 H-PYRAN-3-CARBOXYLATE METHYL 2-PYRONE-3-CARBOXYLATE METHYL 2-OXO-2H-PYRAN-3-CARBOXYLATE, 99+ % 3-CARBOMETHOXY-2-PYRONE 99% 3-Carbomethoxy-2-pyrone,99% Methyl 2-oxo-2H-pyran-3-carboxylate 98% 2-Oxo-2H-pyran-3-carboxylic acid methyl ester 2H-Pyran-3-carboxylic acid, 2-oxo-, methyl ester methyl2-oxopyran-3-carboxylate 3-CARBOMETHOXY-2-PYRONE ISO 9001：2015 REACH Methyl 2-oxo-2H-pyran-3-carboxylate methyl 2-oxopyran-3-carboxylate - [M85983] 3-Carbomethoxy-2-pyrone 25991-27-9 Building Blocks Heterocyclic Building Blocks Pyrans API intermediates