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Merck
CN

00899

Khellin

analytical standard

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:
85151701
NACRES:
NA.24
PubChem Substance ID:
329747161
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

grade

analytical standard

assay

≥98.0% (HPLC)

shelf life

limited shelf life, expiry date on the label

impurities

≤1.0% water

bp

180-200 °C/0.05 mmHg (lit.)

mp

150-154 °C (lit.)

application(s)

food and beverages

format

neat

Quality Level

100

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General description

Khellin, is reported to be an efficient drug for treating vitiligo when combined with ultraviolet A irradiation.

Application

Khellin has been used as a reference standard for supercritical fluid extraction of khellin from Ammi visnaga L. fruits to understand the various medicinal effects of γ-Pyrones by reversed phase HPLC method.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.

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

No data available

flash_point_c

No data available

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL0992
BCCK0175
BCCF3213
BCBW7941
BCBS7656V

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Phototherapeutic, photobiologic, and photosensitizing properties of khellin.
Morliere P, et al.
The Journal of Investigative Dermatology, 90(5), 720-724 (1988)
Supercritical fluid extraction of γ-Pyrones from Ammi visnaga L. fruits.
Bishr M, et al
Future Journal of Pharmaceutical Sciences (2018)

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