630748
7,8-Dihydroxy-4-methylcoumarin
97%
Synonym(s):
4-Methyldaphnetin
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About This Item
Empirical Formula (Hill Notation):
C10H8O4
CAS Number:
Molecular Weight:
192.17
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
218-290-4
MDL number:
Product Name
7,8-Dihydroxy-4-methylcoumarin, 97%
InChI key
NWQBYMPNIJXFNQ-UHFFFAOYSA-N
InChI
1S/C10H8O4/c1-5-4-8(12)14-10-6(5)2-3-7(11)9(10)13/h2-4,11,13H,1H3
SMILES string
CC1=CC(=O)Oc2c(O)c(O)ccc12
assay
97%
form
solid
mp
242-246 °C (lit.)
functional group
ester
storage temp.
2-8°C
Quality Level
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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).
signalword
Danger
hcodes
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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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
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