Empirical Formula (Hill Notation):
CAS Number:
Molecular Weight:
MDL number:
PubChem Substance ID:

Quality Level


≥98% (HPLC)






DMSO: >10 mg/mL
H2O: insoluble

storage temp.

room temp

SMILES string




InChI key


Gene Information

human ... ADORA1(134), ADORA2A(135), ADORA2B(136), ADORA3(140)
rat ... Adora1(29290), Adora2a(25369), Adora2b(29316)


CGS-15943 has been used as a non-selective adenosine receptor antagonist to study its effects on the proliferation of pancreatic ductal adenocarcinoma (PDAC) cells and hepatocellular carcinoma (HCC). It has also been used as a non-selective adenosine receptor antagonist to investigate the mechanism underlying adenosine inhibition on cholangiocarcinoma (CCA) cells.


25 mg in poly bottle

Biochem/physiol Actions

CGS-15943 is a potent and non-selective adenosine receptor antagonist. It exhibits anti-carcinogenic and anti-apoptotic activity.

Features and Benefits

This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more.

Legal Information

LOPAC is a registered trademark of Sigma-Aldrich Co. LLC

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves


NONH for all modes of transport

WGK Germany


Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
M Williams et al.
The Journal of pharmacology and experimental therapeutics, 241(2), 415-420 (1987-05-01)
CGS 15943A, a triazoloquinazoline, is a potent and selective adenosine receptor antagonist as assessed by its effects on radioligand binding and adenosine-stimulated adenylate cyclase activity in guinea pig synaptoneurosomes. At the adenosine A-1 receptor labeled with [3H]cyclohexyladenosine, CGS 15943A had...
A C Ngai et al.
American journal of physiology. Heart and circulatory physiology, 280(5), H2329-H2335 (2001-04-12)
The purpose of this study was to investigate the receptor subtypes that mediate the dilation of rat intracerebral arterioles elicited by adenosine. Penetrating arterioles were isolated from the rat brain, cannulated with the use of a micropipette system, and luminally...
Tiago Donatelli Serafim et al.
PLoS neglected tropical diseases, 6(9), e1833-e1833 (2012-10-11)
Leishmania parasites, the causative agent of leishmaniasis, are transmitted through the bite of an infected sand fly. Leishmania parasites present two basic forms known as promastigote and amastigote which, respectively, parasitizes the vector and the mammalian hosts. Infection of the...
E Ongini et al.
Naunyn-Schmiedeberg's archives of pharmacology, 359(1), 7-10 (1999-02-05)
Three structurally related non-xanthine compounds, CGS 15943, ZM 241385 and SCH 58261, are potent A2A adenosine receptor antagonists and have been used as tools in many pharmacological studies. We have now characterized their affinity and selectivity profile on human adenosine...
Lazaros C Foukas et al.
The Journal of biological chemistry, 277(40), 37124-37130 (2002-07-30)
We investigated the effects of methylxanthines on enzymatic activity of phosphoinositide 3-kinases (PI3Ks). We found that caffeine inhibits the in vitro lipid kinase of class I PI3Ks (IC(50) = 75 microm for p110 delta, 400 microm for p110 alpha and...

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