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93979

Sigma-Aldrich

Umbelliferone

suitable for fluorescence indicator, ≥98.0% (HPLC)

Sinónimos:

7-Hydroxy-2H-1-benzopyran-2-one, 7-Hydroxycoumarin

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About This Item

Fórmula empírica (notación de Hill):
C9H6O3
Número de CAS:
93-35-6
Peso molecular:
162.14
Beilstein/REAXYS Number:
127683
EC Number:
202-240-3
MDL number:
MFCD00006878
UNSPSC Code:
12171500
PubChem Substance ID:
57653583
NACRES:
NA.32

Quality Level

100

assay

≥98.0% (HPLC)

form

crystals

mp

230 °C (dec.) (lit.)
230-234 °C

solubility

dioxane: soluble
ethanol: soluble

fluorescence

λex 325 nm; λem 452 nm in 0.1 M citrate pH 3.0

suitability

suitable for fluorescence indicator

SMILES string

Oc1ccc2C=CC(=O)Oc2c1

InChI

1S/C9H6O3/c10-7-3-1-6-2-4-9(11)12-8(6)5-7/h1-5,10H

InChI key

ORHBXUUXSCNDEV-UHFFFAOYSA-N

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Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Stefan Starcević et al.
Journal of medicinal chemistry, 54(1), 248-261 (2010-12-09)
17β-Hydroxysteroid dehydrogenase type 1 (17β-HSD1) is an enzyme that catalyzes NADPH-dependent reduction of the weak estrogen, estrone, into the most potent estrogen, estradiol, which exerts proliferative effects via the estrogen receptors. Overexpression of 17β-HSD1 in estrogen-responsive tissues is related to
Ye V Liu et al.
Vaccine, 33(18), 2152-2158 (2015-03-17)
In March 2013, diagnosis of the first reported case of human infection with a novel avian-origin influenza A(H7N9) virus occurred in eastern China. Most human cases have resulted in severe respiratory illness and, in some instances, death. Currently there are
Kalyan K Sadhu et al.
Organic & biomolecular chemistry, 11(4), 563-568 (2012-10-13)
The design and synthesis of molecular probes competent for pH signaling within or beyond a certain range is a complicated matter. Herein a new mechanism for ''OFF-ON-OFF'' absorbance and fluorescence intensities vs. pH behaviour is described. The probe design is
Juri M Timonen et al.
European journal of medicinal chemistry, 46(9), 3845-3850 (2011-06-18)
A number of 7-hydroxycoumarins have been synthesised by Pechmann cyclisation using differently substituted resorcinols employing perchloric acid as the condensing agent. All the compounds have been characterised by analytical and spectroscopic methods. The anti-inflammatory properties were tested with LPS-induced inflammation
Seitaro Matsumoto et al.
Phytochemistry, 74, 49-57 (2011-12-16)
Ortho-hydroxylation of cinnamates is a key step in coumarin biosynthesis in plants. Ortho-hydroxylated cinnamates undergo trans/cis isomerization of the side-chain and then lactonization to form coumarins. Sweet potato [Ipomoea batatas (L.) Lam.] accumulates umbelliferone and scopoletin after biotic and abiotic
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