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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 Level

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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Certificates of Analysis (COA)

Lot/Batch Number

0000537680

0000502519

0000484162

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Modified coumarins. 27. Ssynthesis and antioxidant activity of 3-substituted 5, 7-dihydroxy-4-methylcoumarins.

Garazd MM, et al.

Chemistry of Natural Compounds, 43(1), 19-23 (2007)

A one-pot, three-component synthesis of new pyrano [2, 3-h] coumarin derivatives.

Karami B, et al.

Tetrahedron Letters, 53(12), 1445-1446 (2012)

Quality assessment of marketed chamomile tea products by a validated HPTLC method combined with multivariate analysis.

Etil Guzelmeric et al.

Journal of pharmaceutical and biomedical analysis, 132, 35-45 (2016-10-04)

Chamomile tea composed of dried flower heads of Matricaria recutita L. (Asteraceae) is one of the most popular single ingredient herbal teas. Tea industries, spice shops or public bazaars are mostly supplied chamomile as a raw material via cultivation or

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Global Trade Item Number

SKU	GTIN
543594-1G	04061832567525