Fig. 1 · Structure

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NECA

Cat. No. A16962 CAS 35920-39-9

Adenosine receptor agonist

NECA is a high-affinity adenosine receptor agonist (Ki values are 6.2, 14, and 20 nM for human A3, A1 and A2A receptors respectively; EC50 = 2.4 μM for human A2B).

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Biological Activity

Cellular Effect

Cell Line Activity Value Description Reference
CHO EC50 > 10000 nM Agonist activity at human adenosine A2B receptor expressed in CHO cells assessed as stimulation of [3H]cAMP levels by scintillation counting method [PMID: 25780876]
CHO EC50 0.018 μM Agonist activity at human recombinant adenosine A2A receptor expressed in CHO cells assessed as [3H]cAMP accumulation after 15 mins by liquid scintillation counting [PMID: 23245803]
CHO EC50 0.04 μM G-protein activation in human Adenosine A2A receptor expressing CHO cells using cAMP assay [PMID: 11784146]
CHO EC50 10.2 nM Agonist activity at human recombinant adenosine receptor-1 expressed in CHO cells assessed as inhibition of forskolin-stimulated cAMP production preincubated for 45 mins prior forskolin-induction measured after 15 mins by immunoassay [PMID: 21858244]
CHO EC50 12.58 nM Agonist activity at human adenosine A2A receptor expressed in CHO cells assessed as stimulation of [3H]cAMP levels by scintillation counting method [PMID: 25780876]
CHO EC50 30 nM Agonist activity at human adenosine A1 receptor expressed in CHO cells by GTPPgammaS binding assay [PMID: 20031406]
CHO EC50 38 nM Agonist activity at human adenosine A2B receptor expressed in CHO cells assessed as effect on cAMP production by luciferase reporter gene assay [PMID: 20031406]
CHO EC50 45 nM Agonist activity at human recombinant adenosine A2A receptor expressed in CHO cells assessed as stimulation of NECA-mediated cAMP accumulation preincubated for 15 mins followed by NECA addition measured after 15 mins by enzyme immunoassay 10.1039/C5MD00086F
CHO EC50 63 nM Agonist activity at human adenosine A3 receptor expressed in CHO cells by GTPPgammaS binding assay [PMID: 20031406]
CHO-K1 EC50 17.6 nM Agonist activity at human adenosine A2A receptor expressed in CHO-K1 cells by cAMP accumulation assay [PMID: 24900277]
COS-7 EC50 0.078 μM Activity against human wild type adenosine A3 receptor expressed in COS7 cells as measured by accumulation of inositol phosphate by PLC assay [PMID: 16640329]
COS-7 EC50 10.4 μM Activity against human adenosine A3 receptor H272E mutant expressed in COS7 cells as measured by accumulation of inositol phosphate by PLC assay [PMID: 16640329]
HCT-116 IC50 > 10 μM Cytotoxicity against human HCT-116 cells assessed as cell viability incubated for 72 to 96 hrs by MTT assay [PMID: 35707146]
HEK293 EC50 188 nM Partial agonist activity at recombinant mouse A3AR expressed in HEK293 cell membranes assessed as stimulation of [35S]GTPgammaS binding measured after 2 hrs in presence of A2BAR blocker PSB-603 by liquid scintillation counting analysis [PMID: 32271569]
HEK293 IC50 3.7 x 10 Displacement of [3H]CGS 21680 from human recombinant adenosine receptor A2A expressed in HEK293 cells measured after 120 mins by scintillation counting method [PMID: 27876250]
PBMC IC50 187 nM Antiinflammatory activity in rat PBMC assessed as inhibition of LPS-induced TNFalpha production after 20 hrs by ELISA [PMID: 20031406]
PBMC IC50 40 nM Antiinflammatory activity in human PBMC assessed as inhibition of LPS-induced TNFalpha production after 20 hrs by ELISA [PMID: 20031406]
PC-12 EC50 130 nM Potency against PC12 cell A2 adenosine receptor by adenylate cyclase activation [PMID: 3018244]
PC-3 IC50 > 10 μM Cytotoxicity against human PC-3 cells assessed as cell viability incubated for 72 to 96 hrs by MTT assay [PMID: 35707146]

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Specifications

Manufacturer Adooq Bioscience
Actions Agonist
CAS Number 35920-39-9
Applications Adenosine receptor agonist
Formula C12H16N6O4
Molecular Weight 308.3
Synonyms 5'-N-Ethylcarboxamidoadenosine
SMILES
CCNC(=O)C1C(C(C(O1)N2C=NC3=C2N=CN=C3N)O)O

Storage & Solubility

In Vitro Solubility

Reported Solubility

No reported solubility data are available for this product.

Preparing Stock Solutions

Stock preparation is unavailable for this product molecular weight.

Calculated stock concentrations do not establish solvent solubility. Refer to the reported solubility data for experimental guidance.

Storage

Store powder at -20°C, keep desiccated.
In powder form, the chemical is stable for 36 months.
In solution, store at -20°C and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.

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