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Sigma-Aldrich

Thymoquinone

≥98%

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Synonym(s):
2-Isopropyl-5-methyl-1,4-benzoquinone
Empirical Formula (Hill Notation):
C10H12O2
CAS Number:
490-91-5
Molecular Weight:
164.20
EC Number:
207-721-1
MDL number:
MFCD00001602
PubChem Substance ID:
24856596
NACRES:
NA.47

Quality Level

100

Assay

≥98%

form

solid

color

yellow

bp

230-232 °C (lit.)

mp

45-47 °C (lit.)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

CC(C)C1=CC(=O)C(C)=CC1=O

InChI

1S/C10H12O2/c1-6(2)8-5-9(11)7(3)4-10(8)12/h4-6H,1-3H3

InChI key

KEQHJBNSCLWCAE-UHFFFAOYSA-N

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General description

Thymoquinone (TQ), also known as 2-isopropyl-5-methyl-1, 4-benzoquinone, is present in a crystalline triclinic form. It is the bioactive constituent of the volatile oil of black seed. TQ exhibits anti-inflammatory, antioxidant and anti-neoplastic effects both in vitro and in vivo.

Application

Thymoquinone has been used as an inhibitor of Escherichia coli ATP synthase and cell growth. It is also used as a drug against lower limb ischemia-reperfusion injury of the sciatic nerve and femoral muscle.
Thymoquinone is employed in preclinical studies as a neuroprotective and anticonvulsant agent.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302 - H315 - H319 - H335

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

219.2 °F - closed cup

Flash Point(C)

104 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Thymoquinone Inhibits Escherichia coli ATP Synthase and Cell Growth
Ahmad Z
PLoS ONE, 10 (2015)
Sanjar Alam et al.
International journal of nanomedicine, 7, 5705-5718 (2012-11-28)
Chitosan (CS) nanoparticles of thymoquinone (TQ) were prepared by the ionic gelation method and are characterized on the basis of surface morphology, in vitro or ex vivo release, dynamic light scattering, and X-ray diffractometry (XRD) studies. Dynamic laser light scattering
Hala Gali-Muhtasib et al.
The international journal of biochemistry & cell biology, 38(8), 1249-1253 (2005-11-30)
There has been growing interest in naturally occurring compounds with anti-cancer potential. Black seed is one of the most extensively studied plants. This annual herb grows in countries bordering the Mediterranean Sea and India. Thymoquinone (TQ) is the bioactive constituent
Regine Schneider-Stock et al.
Drug discovery today, 19(1), 18-30 (2013-09-05)
Thymoquinone (TQ), the main active constituent of black seed essential oil, exhibits promising effects against inflammatory diseases and cancer. TQ, modulates signaling pathways that are key to cancer progression, and enhances the anticancer potential of clinical drugs while reducing their
Anjali Singh et al.
Colloids and surfaces. B, Biointerfaces, 102, 822-832 (2012-10-30)
This research aims to formulate and characterize solid lipid nanoparticles (SLNs) of Thymoquinone (THQ-SLNs) for the effective treatment of liver cirrhosis. Formulations were prepared using solvent injection method and optimized by the Box-Behnken experimental design to get the desired particle
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