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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:
Molecular Weight:
260.24
UNSPSC Code:
12171500
NACRES:
MA.02
PubChem Substance ID:
EC Number:
201-392-8
Beilstein/REAXYS Number:
263185
MDL number:
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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

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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

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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Karin G Haug et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 45(1-2), 79-89 (2011-11-17)
Ammi visnaga L. (syn. Khella, Apiaceae) preparations have traditionally been used in the Middle East for the treatment of kidney stone disease. Visnagin, a furanocoumarin derivative, is one of the main compounds of Ammi visnaga with potential effects on kidney
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)
P Vanachayangkul et al.
Urological research, 39(3), 189-195 (2010-11-12)
In Egypt, teas prepared from the fruits of Ammi visnaga L. (syn. "Khella") are traditionally used by patients with urolithiasis. The aim of this study was to evaluate whether oral administration of an aqueous extract prepared from the fruits of
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).
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

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