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630748

7,8-Dihydroxy-4-methylcoumarin

Name: 7,8-Dihydroxy-4-methylcoumarin
Brand: ALDRICH

97%

Synonym(s):

4-Methyldaphnetin

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About This Item

Empirical Formula (Hill Notation):

C₁₀H₈O₄

CAS Number:

2107-77-9

Molecular Weight:

192.17

NACRES:

NA.22

PubChem Substance ID:

24882339

UNSPSC Code:

12352100

EC Number:

218-290-4

MDL number:

MFCD00016972

Assay:

97%

Form:

solid

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Properties

Quality Level

100

assay

97%

form

solid

mp

242-246 °C (lit.)

functional group

ester

storage temp.

2-8°C

SMILES string

CC1=CC(=O)Oc2c(O)c(O)ccc12

InChI

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

InChI key

NWQBYMPNIJXFNQ-UHFFFAOYSA-N

Description

Application

Can be used as a fluorescent sensor to monitor the consumption of a boronic acid in a Suzuki cross-coupling reaction. Fluorescence is easily detectable to the naked eye using a standard hand-held long-wave UV lamp (365 nm).

pictograms

GHS08

signalword

Danger

hcodes

H319,H334

pcodes

P261 - P305 + P351 + P338 - P342 + P311

Hazard Classifications

Eye Irrit. 2 - Resp. Sens. 1

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, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number

04725LB

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Benchtop monitoring of reaction progress via visual recognition with a handheld UV lamp: in situ monitoring of boronic acids in the Suzuki-Miyaura reaction.

Timothy E Barder et al.

Organic letters, 9(1), 137-139 (2006-12-29)

[reaction: see text] Although boronic acids are widely used in metal-catalyzed reactions, it is difficult to assay their consumption. As such, we developed a reversible fluorescent sensor that is activated upon binding a boronic acid. The sensor can be used

Global Trade Item Number

SKU	GTIN
630748-1G	04061832717166