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SML0422

Sigma-Aldrich

Istradefylline

≥98% (HPLC)

Synonym(s):

(E)-8-(3,4-Dimethoxystyryl)-1,3-diethyl-7-methylxanthine, 8-[(1E)-2-(3,4-Dimethoxyphenyl)ethenyl]-1,3-diethyl-3,7-dihydro-7-methyl-1H-purine-2,6-dione, KW-6002

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About This Item

Empirical Formula (Hill Notation):
C20H24N4O4
CAS Number:
155270-99-8
Molecular Weight:
384.43
MDL number:
MFCD00928421
UNSPSC Code:
12352200
PubChem Substance ID:
329825417
NACRES:
NA.77

Assay

≥98% (HPLC)

form

powder

color

white to beige

solubility

DMSO: 5 mg/mL (clear solution)

storage temp.

2-8°C

SMILES string

CCN1C(=O)N(CC)c2nc(\C=C\c3ccc(OC)c(OC)c3)n(C)c2C1=O

InChI

1S/C20H24N4O4/c1-6-23-18-17(19(25)24(7-2)20(23)26)22(3)16(21-18)11-9-13-8-10-14(27-4)15(12-13)28-5/h8-12H,6-7H2,1-5H3/b11-9+

InChI key

IQVRBWUUXZMOPW-PKNBQFBNSA-N

Gene Information

human ... ADORA2A(135)

Biochem/physiol Actions

Istradefylline (KW-6002) is a potent and selective adenosine A2A receptor selective antagonist which has been investigated for use in Parkinson′s Disease.

Features and Benefits

This compound is featured on the Adenosine Receptors page of the Handbook of Receptor Classification and Signal Transduction. To browse other handbook pages, click here.

Pictograms

Skull and crossbones
GHS06

Signal Word

Danger

Hazard Statements

H301

Hazard Classifications

Acute Tox. 3 Oral

Storage Class Code

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Yoshikuni Mizuno et al.
Movement disorders : official journal of the Movement Disorder Society, 25(10), 1437-1443 (2010-07-16)
The objectives of this study were to evaluate the efficacy of istradefylline at an oral dose of 20 mg or 40 mg once daily for 12 weeks in Parkinson's disease (PD) patients with motor complications on levodopa therapy based on
John D Salamone et al.
Behavioural brain research, 201(1), 216-222 (2009-05-12)
Adenosine and dopamine receptors in striatal areas interact to regulate a number of different functions, including aspects of motor control and motivation. Recent studies indicate that adenosine A(2A) receptor antagonists can reverse the effects of dopamine (DA) D(2) antagonists on
Robert A Hauser et al.
Movement disorders : official journal of the Movement Disorder Society, 23(15), 2177-2185 (2008-10-04)
The objective of this study was to evaluate the efficacy, safety, and tolerability of istradefylline 20 mg once daily versus placebo as an adjunct to levodopa in subjects with Parkinson's disease (PD) who have motor fluctuations. Istradefylline (KW-6002) is an
Bo Song et al.
Bioorganic & medicinal chemistry letters, 22(4), 1739-1742 (2012-01-20)
Monoamine oxidase-B (MAO-B) inhibitor has been used as neuroprotectants to treat the motor deficits of Parkinson's disease (PD). We designed and synthesized a class of 8-substituted benzamido-phenylxanthine derivatives as MAO-B inhibitors. The compounds have various inhibitory effects, with compound 6a
Wanqiang Chen et al.
Journal of the neurological sciences, 324(1-2), 21-28 (2012-10-23)
To assess the efficacy and safety of istradefylline as an adjunct to levodopa in patients with Parkinson's Disease (PD). In this study, we searched the Cochrane Library, MEDLINE, Embase, China Academic Journal Full-text Database (CNKI), China Biomedical Literature Database (CBM)
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