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550337

4-Chloro-3-formylcoumarin

Name: 4-Chloro-3-formylcoumarin
Brand: ALDRICH

97%

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About This Item

Empirical Formula (Hill Notation):

C₁₀H₅ClO₃

CAS Number:

50329-91-4

Molecular Weight:

208.60

NACRES:

NA.22

PubChem Substance ID:

24879107

UNSPSC Code:

12352100

MDL number:

MFCD00179896

Assay:

97%

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Properties

Quality Level

100

assay

97%

mp

126-130 °C (lit.)

functional group

aldehyde, chloro, ester

SMILES string

[H]C(=O)C1=C(Cl)c2ccccc2OC1=O

InChI

1S/C10H5ClO3/c11-9-6-3-1-2-4-8(6)14-10(13)7(9)5-12/h1-5H

InChI key

CLLLQUGVEQADNN-UHFFFAOYSA-N

Description

General description

4-Chloro-3-formylcoumarin, also known as 4-chloro-2-oxo-2H-chromene-3-carbaldehyde, is a coumarin derivative.

Application

4-Chloro-3-formylcoumarin may be used as a reactant in the preparation of:

2-aryl[1]benzopyrano[4,3-c]pyrazol-4(2H)-ones
biaryl lactones (benzo[c]chromen-6-ones)
N-monosubstituted 4-amino-3-formylcoumarins
chromeno[4,3-b]quinolin-6-one

pictograms

GHS07

signalword

Warning

hcodes

H315,H319,H335

pcodes

P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Reactions of 4-Chloro-3-formylcoumarin with Arylhydrazines.

Strakova I, et al.

Chemistry of Heterocyclic Compounds, 39(12), 1608-1616 (2003)

Reactions of 4-chloro-3-formyl-coumarin with primary amines.