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Merck
CN

60730

Khellin

suitable for microscopy

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C14H12O5
CAS Number:
82-02-0
Molecular Weight:
260.24
UNSPSC Code:
12171500
NACRES:
MA.02
PubChem Substance ID:
329759173
EC Number:
201-392-8
Beilstein/REAXYS Number:
263185
MDL number:
MFCD00005007

Key Documents

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InChI key

HSMPDPBYAYSOBC-UHFFFAOYSA-N

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

SMILES string

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

assay

≥98.0% (HPLC)

form

powder

bp

180-200 °C/0.05 mmHg (lit.)

mp

150-154 °C (lit.)

suitability

suitable for microscopy

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

Quality Level

100

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Related Categories

pictograms

Skull and crossbones
GHS06

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

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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Certificates of Analysis (COA)

Lot/Batch Number
BCBJ3836V

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Karin G Haug et al.
Planta medica, 78(17), 1831-1836 (2012-10-26)
The furanochromone visnagin is one of the main compounds of Ammi visnaga L. (syn. Khella) with potential effects on kidney stone prevention. After determination of the pharmacokinetic properties of visnagin after intravenous bolus administration in rats, the aim of the
Fatma A Ragab et al.
European journal of medicinal chemistry, 42(8), 1117-1127 (2007-03-10)
The synthesis of 9- and 6-alkylaminomethyl furoflavones 5a, b, 9a-c, 13a, b, 15a-g and 18 from the naturally occurring chromones visnagin and khellin. Gastroprotective potency of these compounds in the ethanol damage model was determined. The results indicate that, through
Nishit S Patel et al.
Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.], 38(3), 381-391 (2012-02-01)
Vitiligo is an acquired multifocal and polygenic dyschromia that affects 1% to 3% of the world and presents as multiple depigmented macules and patches. Traditionally, the treatment of vitiligo has focused on pharmacologic interventions, but nearly half of all treated
Omaima Mohamed Abdelhafez et al.
Archives of pharmacal research, 34(10), 1623-1632 (2011-11-15)
Bromination of visnagin (1) afforded 9-bromovisnagin (2) which on its alkaline hydrolysis afforded the 3-acetyl benzofuran derivative (3). The condensation of (3) with hydrazine hydrate, phenylhydrazine and/or hydroxylamine hydrochloride afforded the corresponding pyrazole derivatives (4a, b) and isoxazole derivative (4c).
Rosita Saraceno et al.
Dermatologic therapy, 22(4), 391-394 (2009-07-08)
Vitiligo is an acquired depigmentation disorder affecting 1-4% of the world's population. Conventional therapies include steroids, photosensitive topical agents, surgical treatments, and phototherapy. The aim of the study was to evaluate the efficacy of monochromatic excimer light 308 nm (MEL)
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