5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid

Formula: C6H4O5

CAS: 499-78-5

Element: carboxylic hydroxy pyran acid

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C-S » Chemicals » hydroxy-oxo-pyran-carboxylic-acid-PX50915

Identification

Structural Formula

5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid

CAS:

499-78-5

EINECS:

Molecular Formula:

C₆H₄O₅

MDL:

SMILES:

C1=C(OC=C(C1=O)O)C(=O)O

Synonym:

5-hydroxy-4-oxo-4h-pyran-2-carboxylic acid(saltdata: free) ; comenic acid ; 5-hydroxy-4-oxopyran-2-carboxylic acid ; 5-hydroxy-4-oxo-pyran-2-carboxylic acid ; 2-carboxy-5-hydroxy-4-pyrone, comenic acid ; 5-hydroxy-4-oxo- ; 5-hydroxy-4-keto-pyran-2-carboxylic acid ; 5-hydroxy-4-pyrone-2-carboxylic acid

Description

Building block for an intramolecular olefin-α-pyrone cycloaddition providing the colchicine ring skeleton.

Suppliers

Santa Cruz Biotechnology, Inc.

252271

Dayang Chem (Hangzhou) Co.,Ltd.

DC651026040

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CAS equal suppliers

5-Hydroxy-4-pyrone-2-carboxylic acid

Haihang Industry Co., Ltd.

HI374411232

Prices & Availability

Data is processed

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Properties for 5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid

Molecular Weight:

156.09 g·mol−1

Melting point:

284-294 °C

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Safety & Transport Information

Risk Codes:

R22 - Harmful if swallowed

Hazard Symbols:

Xn

Hazard symbol Xn

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Alternative Distributors of [5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid]

Producers or manufacturers change the product range from time to time. The following companies
have appeared as suppliers in the past / currently not verified

Suzhou Rovathin Pharmatech Co., Ltd | Bona Chemical Co., Limited | Shanghai Hanhong Chemical Co., Ltd. | Jinjiangchem Corporation | Zhejiang Kaili Industrial Co., Ltd. | Gihi Chemicals Co., Limited

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Mol File:

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MSDS:

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5-Hydroxy-4-oxo-4H-pyran-2-carboxylic acid methyl ester

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