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55634
7-Hydroxy-4-methyl-3-coumarinylacetic acid
suitable for fluorescence, ≥98.0% (HPLC)
Synonim(y):
4-Methylumbelliferone-3-acetic acid
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Informacje o tej pozycji
Wzór empiryczny (zapis Hilla):
C12H10O5
Numer CAS:
Masa cząsteczkowa:
234.20
UNSPSC Code:
12352200
NACRES:
NA.32
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
220399
assay
≥98.0% (HPLC)
form
solid
solubility
DMF: soluble, DMSO: soluble
fluorescence
λex 360 nm; λem ~450 nm in 0.1 M Tris pH 9.0
suitability
suitable for fluorescence
SMILES string
CC1=C(CC(O)=O)C(=O)Oc2cc(O)ccc12
InChI
1S/C12H10O5/c1-6-8-3-2-7(13)4-10(8)17-12(16)9(6)5-11(14)15/h2-4,13H,5H2,1H3,(H,14,15)
InChI key
OOGKDHCQSZAEQI-UHFFFAOYSA-N
Application
suitable as pH-indicator
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Klasa składowania
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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Produkty
Nitric oxide (NO) as a signal transporter in neurons, endothelial cells and in the immune system.
Krzysztof Żamojć et al.
Journal of fluorescence, 24(3), 713-718 (2013-12-18)
The fluorescence quenching of different coumarin derivatives (7-hydroxy-4-methylcoumarin, 5,7-dimethoxycoumarin, 7-amino-4-methyl-3-coumarinylacetic acid, 7-ethoxy-4-methylcoumarin, 7-methoxycoumarin, 7-hydroxycoumarin, 7-hydroxy-4-methyl-3-coumarinylacetic acid and 7-amino-4-methylcoumarin) by 4-hydroxy-TEMPO in aqueous solutions at the room temperature was studied with the use of UV-Vis absorption spectroscopy as well as a