Chinese Japanese Germany Korea
ChemicalBook >> CAS DataBase List >>4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester

4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester

4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester Structure
4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester structure
CAS No.
1821-20-1
Chemical Name:
4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester
Synonyms
4-Hydroxy-2-oxo-2H-chromene-3-carboxylic acid ethyl ester;4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester;2H-1-Benzopyran-3-carboxylic acid, 4-hydroxy-2-oxo-, ethyl ester
CBNumber:
CB42356587
Molecular Formula:
C12H10O5
Molecular Weight:
234.2
MDL Number:
MFCD00047639
MOL File:
1821-20-1.mol
MSDS File:
SDS
Last updated:2026-05-28 03:07:10
Request For Quotation

4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester Properties

Melting point 139-140 °C
Boiling point 414.6±45.0 °C(Predicted)
Density 1.426±0.06 g/cm3(Predicted)
storage temp. Sealed in dry,Room Temperature
pka 4.50±1.00(Predicted)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H315-H319-H335
Precautionary statements  P261-P305+P351+P338

4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich PH010374 ethyl 4-hydroxy-2-oxo-2H-chromene-3-carboxylate AldrichCPR 1821-20-1 250MG $172 2023-06-20 Buy
aablocks AA0023AF Ethyl 4-hydroxy-2-oxo-2H-chromene-3-carboxylate 90% 1821-20-1 1mg $88 2026-05-28 Buy
aablocks AA0023AF Ethyl 4-hydroxy-2-oxo-2H-chromene-3-carboxylate 90% 1821-20-1 5mg $123 2026-05-28 Buy
aablocks AA0023AF Ethyl 4-hydroxy-2-oxo-2H-chromene-3-carboxylate 90 1821-20-1 50mg $318 2026-05-28 Buy
aablocks AA0023AF Ethyl 4-hydroxy-2-oxo-2H-chromene-3-carboxylate 90 1821-20-1 100mg $348 2026-05-28 Buy
Product number Packaging Price Buy
PH010374 250MG $172 Buy
AA0023AF 1mg $88 Buy
AA0023AF 5mg $123 Buy
AA0023AF 50mg $318 Buy
AA0023AF 100mg $348 Buy

4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester Chemical Properties, Uses, Production

4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester synthesis

50-78-2
1821-20-1
Synthesis of 4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester from Acetylsalicylic acid

4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester Preparation Products And Raw materials

Raw materials

Preparation Products

4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester Suppliers

Global Suppliers ( 8)
Supplier Tel Email Country ProdList Advantage
BePharm Ltd 400-685-9117 market@bepharm.com China 15081 60
Zhengzhou Huiju Chemical Co., Ltd. 0371-55900031 18137872243 3927209986@qq.com China 9999 55
Shandong Jirun Biomedical Technology Co., Ltd. 0539-0539-8613587 17661611089 2639273505@qq.com China 237 58
Changzhou Yourui Pharmaceutical Technology Co., Ltd 18168818882 877458914@qq.com China 8663 58
Supplier Advantage
BePharm Ltd 60
Zhengzhou Huiju Chemical Co., Ltd. 55
Shandong Jirun Biomedical Technology Co., Ltd. 58
Changzhou Yourui Pharmaceutical Technology Co., Ltd 58

1821-20-1 (4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester) Related Search:

Ethyl 2-(hydroxymethyl)acrylate 2-Hydroxycinnamic acid Ethyl coumarin-3-carboxylate 3-Phenoxypropionic acid 4-Hydroxycoumarin
alpha-Methylcinnamic acid 3-(2-Hydroxy-phenyl)-acrylic acid methyl ester Coumarin-3-carboxylic acid 2H-Chromene-3-carboxylic acid Ethyl 3-phenoxypropionate
Ethyl phenyl malonate 2H-Chromen-3-ylmethanol 4-Hydroxy-2-oxo-2H-chromene-3-carbaldehyde (2-propoxyphenyl)methanol 3-Phenoxy propanoic acid methyl ester
2-Methoxyhydrocinnamic acid 2H-Chromene-3-carboxylic acid methyl ester 2H-Chromene-3-carbaldehyde

1of4

4-Hydroxy-2-oxo-2H-1-benzopyran-3-carboxylic acid ethyl ester 4-Hydroxy-2-oxo-2H-chromene-3-carboxylic acid ethyl ester 2H-1-Benzopyran-3-carboxylic acid, 4-hydroxy-2-oxo-, ethyl ester 1821-20-1