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543594

5,7-Dihydroxy-4-methylcoumarin

Name: 5,7-Dihydroxy-4-methylcoumarin
Brand: ALDRICH

98%

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About This Item

Empirical Formula (Hill Notation):

C₁₀H₈O₄

CAS Number:

2107-76-8

Molecular Weight:

192.17

NACRES:

NA.22

PubChem Substance ID:

24878696

UNSPSC Code:

12352100

EC Number:

218-289-9

MDL number:

MFCD00016966

Assay:

98%

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Properties

Quality Segment

200

assay

98%

mp

296-299 °C (lit.)

functional group

ester

SMILES string

CC1=CC(=O)Oc2cc(O)cc(O)c12

InChI

1S/C10H8O4/c1-5-2-9(13)14-8-4-6(11)3-7(12)10(5)8/h2-4,11-12H,1H3

InChI key

QNVWGEJMXOQQPM-UHFFFAOYSA-N

Description

General description

5,7-Dihydroxy-4-methylcoumarin can be obtained by reacting phloroglucinol and ethylacetoacetate via Pechmann condensation in the presence of sulfuric acid.

Application

5,7-Dihydroxy-4-methylcoumarin may be used in the synthesis of pyrano[2,3-h]coumarin derivatives and 5,7-dihydroxy-8-formyl-4-methylcoumarin.

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pictograms

GHS07

signalword

Warning

hcodes

H302

pcodes

P301 + P312 + P330

Hazard Classifications

Acute Tox. 4 Oral

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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