Chemical Intermediates

CAS: 56187-37-2

Appearance: white crystal

Purity: ≥99%

Capacity: 200mt/year MOQ: 100g

Application: Used as an intermediate in the preparation of cefocetone

Standard: Enterprise export

Manufacturer: Jinan Finer Chemical Co., Ltd

Synonyms: 3,5-Dichloro-4-pyridone-1-acetic acid 3,5-Dichloro-4-oxo-1-pyridineacetic acid

Molecular Formula: C7H5Cl2NO3

Molecular Weight: 222.02

CAS Registry Number: 56187-37-2

EINECS: 260-040-1

Melting point: 239-241 ºC

3,5-Dichloro-4-pyridone-N-acetic acid, with the CAS number 56187-37-2, is a significant chemical compound primarily utilized as an intermediate in the synthesis of cephalosporins, particularly cefazedone. This compound exhibits a unique combination of chemical properties that make it ideal for such applications. It exists as a white powder or crystal and is known for its stability under appropriate storage conditions. Its molecular formula is C7H5Cl2NO3, and it has a molecular weight of approximately 222.03 g/mol.

Property	Description
Chemical Name	3,5-Dichloro-4-pyridone-N-acetic acid
CAS Number	56187-37-2
Molecular Formula	C7H5Cl2NO3
Molecular Weight	222.03 g/mol
Physical State	White powder/crystal
Melting Point	259-263°C
Boiling Point	364.1°C at 760 mmHg
Density	1.7±0.1 g/cm³
Flash Point	174.0±27.9°C
Refractive Index	1.621
Vapor Pressure	0.0±1.7 mmHg at 25°C
Chemical Property	Intermediate in cephalosporin synthesis

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