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Merck
CN

550337

4-Chloro-3-formylcoumarin

97%

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About This Item

Empirical Formula (Hill Notation):
C10H5ClO3
CAS Number:
Molecular Weight:
208.60
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
MDL number:
Assay:
97%
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Quality Segment

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

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

Exclamation mark

signalword

Warning

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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