H23805
4-Hydroxycoumarin
98%
Synonym(s):
4-Hydroxy-1-benzopyran-2-one
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About This Item
Empirical Formula (Hill Notation):
C9H6O3
CAS Number:
Molecular Weight:
162.14
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
214-060-2
Beilstein/REAXYS Number:
129768
MDL number:
Assay:
98%
Quality Level
assay
98%
mp
211-213 °C (lit.)
fluorescence
λem 373 nm in methanol
SMILES string
OC1=CC(=O)Oc2ccccc12
InChI
1S/C9H6O3/c10-7-5-9(11)12-8-4-2-1-3-6(7)8/h1-5,10H
InChI key
VXIXUWQIVKSKSA-UHFFFAOYSA-N
Gene Information
mouse ... Maoa(17161)
rat ... Aldh1a2(116676)
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signalword
Warning
hcodes
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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Plant molecular biology, 72(1-2), 17-25 (2009-09-17)
Coumarin forms in melilotoside (trans-ortho-coumaric acid glucoside)-containing plant species upon cell damage. In moldy melilotoside-containing plant material, trans-ortho-coumaric acid is converted by fungi to 4-hydroxycoumarin, two molecules of which spontaneously combine with formaldehyde to give dicoumarol. Dicoumarol causes internal bleeding