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Merck

60730

Sigma-Aldrich

Khellin

for microscopy

Sinónimos:

4,9-Dimethoxy-7-methyl-5H-furo[3,2-g][1]benzopyran-5-one

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About This Item

Fórmula empírica (notación de Hill):
C14H12O5
Número de CAS:
Peso molecular:
260.24
Beilstein/REAXYS Number:
263185
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
MA.02

grade

for microscopy

Quality Level

assay

≥98.0% (HPLC)

form

powder

bp

180-200 °C/0.05 mmHg (lit.)

mp

150-154 °C (lit.)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

COc1c2OC(C)=CC(=O)c2c(OC)c3ccoc13

InChI

1S/C14H12O5/c1-7-6-9(15)10-11(16-2)8-4-5-18-12(8)14(17-3)13(10)19-7/h4-6H,1-3H3

InChI key

HSMPDPBYAYSOBC-UHFFFAOYSA-N

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pictograms

Skull and crossbones

signalword

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges


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Visite la Librería de documentos

Sameh El-Gogary et al.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 5(3), 311-316 (2006-03-08)
One-photon ionization, leading to formation of hydrated electrons and radical cations, has been proposed as a possible mechanism of action of some sensitizers in photobiology. In this contribution, we have investigated this proposal for the compounds khellin and visnagin, used
Jin-Koo Lee et al.
Archives of pharmacal research, 33(11), 1843-1850 (2010-12-01)
Visnagin, which is found in Ammi visnaga, has biological activity as a vasodilator and reduces blood pressure by inhibiting calcium influx into the cell. The present study demonstrates the anti-inflammatory effect of visnagin on lipopolysaccharide (LPS)-stimulated BV-2 microglial cells. When
Topical khellin and natural sunlight in the outpatient treatment of recalcitrant palmoplantar pompholyx: report of an open pilot study.
Giovanni Luigi Capella
Dermatology (Basel, Switzerland), 211(4), 381-383 (2005-11-16)
S Valkova et al.
Clinical and experimental dermatology, 29(2), 180-184 (2004-02-28)
Vitiligo is an idiopathic leukoderma often with a progressive course causing destruction of melanocytes. The best methods for achieving cosmetically acceptable re-pigmentation of affected skin appear to be both local and systemic PUVA. They may, however, cause serious side effects
Salama Omar et al.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 8(8), 1179-1186 (2009-07-30)
A theoretical investigation of the formation and spectroscopic properties of the furan and pyrone monoadducts between the photosensitizer khellin and DNA base thymine is reported. The thermal reaction pathways involve very high barriers, whereas the excited state surfaces display low

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