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60730

Sigma-Aldrich

Khellin

for microscopy

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Synonym(s):
4,9-Dimethoxy-7-methyl-5H-furo[3,2-g][1]benzopyran-5-one
Empirical Formula (Hill Notation):
C14H12O5
CAS Number:
82-02-0
Molecular Weight:
260.24
Beilstein:
263185
EC Number:
201-392-8
MDL number:
MFCD00005007
UNSPSC Code:
12171500
PubChem Substance ID:
329759173
NACRES:
MA.02

grade

for microscopy

Quality Level

100

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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Related Categories

Pictograms

Skull and crossbones
GHS06

Signal Word

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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
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
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
Sally S El-Nakkady et al.
Acta poloniae pharmaceutica, 69(4), 645-655 (2012-08-11)
Bromination of visnaginone (1) yielded the dibromo derivative (2), which upon methylation with methyl iodide gave 1-(2,7-dibromo-4,6-dimethoxybenzofuran-5-yl) ethanone (3). Compound (3) reacted with dimethylformamide dimethylacetal to give (4). The reaction of (3) with aromatic aldehydes namely (vanillin, benzaldehyde and 3-anisaldehyde)
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