U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

Details

Stereochemistry ABSOLUTE
Molecular Formula C10H13N5O4
Molecular Weight 267.2413
Optical Activity UNSPECIFIED
Defined Stereocenters 4 / 4
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of ADENOSINE

SMILES

NC1=NC=NC2=C1N=CN2[C@@H]3O[C@H](CO)[C@@H](O)[C@H]3O

InChI

InChIKey=OIRDTQYFTABQOQ-KQYNXXCUSA-N
InChI=1S/C10H13N5O4/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(18)6(17)4(1-16)19-10/h2-4,6-7,10,16-18H,1H2,(H2,11,12,13)/t4-,6-,7-,10-/m1/s1

HIDE SMILES / InChI

Molecular Formula C10H13N5O4
Molecular Weight 267.2413
Charge 0
Count
Stereochemistry ABSOLUTE
Additional Stereochemistry No
Defined Stereocenters 4 / 4
E/Z Centers 0
Optical Activity UNSPECIFIED

Vidarabine or 9-β-D-arabinofuranosyladenine (ara-A, trade name Vira-A) is a synthetic purine nucleoside analog with in vitro and in vivo inhibitory activity against herpes simplex virus types 1 (HSV-1), 2 (HSV-2), and varicella-zoster virus (VZV). The inhibitory activity of Vidarabine is highly selective due to its affinity for the enzyme thymidine kinase (TK) encoded by HSV and VZV. This viral enzyme converts Vidarabine into Vidarabine monophosphate, a nucleotide analog. The monophosphate is further converted into diphosphate by cellular guanylate kinase and into triphosphate by a number of cellular enzymes. in vitro, Vidarabine triphosphate stops replication of herpes viral DNA. When used as a substrate for viral DNA polymerase, Vidarabine triphosphate competitively inhibits dATP leading to the formation of 'faulty' DNA. This is where Vidarabine triphosphate is incorporated into the DNA strand replacing many of the adenosine bases. This results in the prevention of DNA synthesis, as phosphodiester bridges can longer to be built, destabilizing the strand.

Approval Year

TargetsConditions

Conditions

ConditionModalityTargetsHighest PhaseProduct
Primary
ADENOCARD

Approved Use

Intravenous Adenocard (adenosine injection) is indicated for the following. Conversion to sinus rhythm of paroxysmal supraventricular tachycardia (PSVT), including that associated with accessory bypass tracts (Wolff-Parkinson-White Syndrome). When clinically advisable, appropriate vagal maneuvers (e.g., Valsalva maneuver), should be attempted prior to Adenocard administration.

Launch Date

1989
Curative
VIRA-A

Approved Use

Unknown

Launch Date

1976
Curative
VIRA-A

Approved Use

Unknown

Launch Date

1976
Primary
VIRA-A

Approved Use

Unknown

Launch Date

1976
Cmax

Cmax

ValueDoseCo-administeredAnalytePopulation
0.17 mg/L
2.5 mg single, intravenous
dose: 2.5 mg
route of administration: Intravenous
experiment type: SINGLE
co-administered:
ADENOSINE plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
0.48 mg/L
5 mg single, intravenous
dose: 5 mg
route of administration: Intravenous
experiment type: SINGLE
co-administered:
ADENOSINE plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
0.78 mg/L
10 mg single, intravenous
dose: 10 mg
route of administration: Intravenous
experiment type: SINGLE
co-administered:
ADENOSINE plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
T1/2

T1/2

ValueDoseCo-administeredAnalytePopulation
10 s
0.1 mg/kg single, intravenous
dose: 0.1 mg/kg
route of administration: Intravenous
experiment type: SINGLE
co-administered:
ADENOSINE plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
0.92 min
2.5 mg single, intravenous
dose: 2.5 mg
route of administration: Intravenous
experiment type: SINGLE
co-administered:
ADENOSINE plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1.24 min
5 mg single, intravenous
dose: 5 mg
route of administration: Intravenous
experiment type: SINGLE
co-administered:
ADENOSINE plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1.86 min
10 mg single, intravenous
dose: 10 mg
route of administration: Intravenous
experiment type: SINGLE
co-administered:
ADENOSINE plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
0.63 min
0.6 μg/kg single, intravenous
dose: 0.6 μg/kg
route of administration: Intravenous
experiment type: SINGLE
co-administered:
ADENOSINE plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
3 h
7.5 mg/kg 1 times / day multiple, intravenous
dose: 7.5 mg/kg
route of administration: Intravenous
experiment type: MULTIPLE
co-administered:
HYPOXANTHINE ARABINOSIDE plasma
Homo sapiens
population: UNHEALTHY
age: UNKNOWN
sex: UNKNOWN
food status: UNKNOWN
Funbound

Funbound

ValueDoseCo-administeredAnalytePopulation
0.017%
0.1 mg/kg single, intravenous
dose: 0.1 mg/kg
route of administration: Intravenous
experiment type: SINGLE
co-administered:
ADENOSINE plasma
Homo sapiens
population: HEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
Overview

Overview

CYP3A4CYP2C9CYP2D6hERG

OverviewOther

Other InhibitorOther SubstrateOther Inducer

Drug as perpetrator​

Drug as perpetrator​

TargetModalityActivityMetaboliteClinical evidence
yes
PubMed

PubMed

TitleDatePubMed
Distinct modulation of evoked and spontaneous EPSCs by purinoceptors in the nucleus tractus solitarii of the rat.
2001-02-01
Full hematopoietic engraftment after allogeneic bone marrow transplantation without cytoreduction in a child with severe combined immunodeficiency.
2001-02-01
Melphalan and purine analog-containing preparative regimens: reduced-intensity conditioning for patients with hematologic malignancies undergoing allogeneic progenitor cell transplantation.
2001-02-01
Adenosine-mediated presynaptic modulation of glutamatergic transmission in the laterodorsal tegmentum.
2001-02-01
Glucocorticoids protect against apoptosis induced by serum deprivation, cyclic adenosine 3',5'-monophosphate and p53 activation in immortalized human granulosa cells: involvement of Bcl-2.
2001-02
The effects of P2Y receptor agonists and adenosine on prostaglandin production by the guinea-pig uterus.
2001-02
Mechanism of prolonged vasorelaxation to ATP in the rat isolated mesenteric arterial bed.
2001-02
Regulation of G protein-coupled receptor-adenylyl cyclase responsiveness in human airway smooth muscle by exogenous and autocrine adenosine.
2001-02
Protein tyrosine phosphatase-dependent proteolysis of focal adhesion complexes in endothelial cell apoptosis.
2001-02
K(ATP)(+) channels, nitric oxide, and adenosine are not required for local metabolic coronary vasodilation.
2001-02
Regional differences in mechanisms of cerebral circulatory response to neuronal activation.
2001-02
Adenosine-enhanced ischemic preconditioning: adenosine receptor involvement during ischemia and reperfusion.
2001-02
Elevated interstitial adenosine concentrations do not activate the muscle reflex.
2001-02
New signaling pathways for hormones and cyclic adenosine 3',5'-monophosphate action in endocrine cells.
2001-02
Beta,gamma-methylene ATP-induced cAMP formation in C6Bu-1 cells: involvement of local metabolism and subsequent stimulation of adenosine A2B receptor.
2001-02
Protein kinase C and G(i/o) proteins are involved in adenosine- and ischemic preconditioning-mediated renal protection.
2001-02
Construction of gene therapy vectors targeting thyroid cells: enhancement of activity and specificity with histone deacetylase inhibitors and agents modulating the cyclic adenosine 3',5'-monophosphate pathway and demonstration of activity in follicular and anaplastic thyroid carcinoma cells.
2001-02
Adenosine triphosphate-evoked cytosolic calcium oscillations in human granulosa-luteal cells: role of protein kinase C.
2001-02
Leptin-induced lipolysis opposes the tonic inhibition of endogenous adenosine in white adipocytes.
2001-02
Dysregulation of extracellular adenosine levels by vascular smooth muscle cells from spontaneously hypertensive rats.
2001-02
Adenosine as a neuromodulator and as a homeostatic regulator in the nervous system: different roles, different sources and different receptors.
2001-02
Nucleotide-dependent single- to double-headed binding of kinesin.
2001-01-26
Estrogen modulates norepinephrine-induced accumulation of adenosine cyclic monophosphate in a subpopulation of immortalized luteinizing hormone-releasing hormone secreting neurons from the mouse hypothalamus.
2001-01-26
Differential patterns of sympathetic responses to selective stimulation of nucleus tractus solitarius purinergic receptor subtypes.
2001-01-12
Structure-activity studies of 5-substituted pyridopyrimidines as adenosine kinase inhibitors.
2001-01-08
Expression, but not activity, of neuronal nitric oxide synthase is regionally increased in the alcoholic brain.
2001-01-05
Nucleoside transport inhibition in ischemic myocardium results in enhanced taurine efflux.
2001-01-05
Motivational effects of ethanol in DARPP-32 knock-out mice.
2001-01-01
Effects of extracellular nucleotides and nucleosides on prostate carcinoma cells.
2001-01
The critical role of adenosine and guanosine in the affinity of dinucleoside polyphosphates to P(2X)-receptors in the isolated perfused rat kidney.
2001-01
Two subtypes of G protein-coupled nucleotide receptors, P2Y(1) and P2Y(2) are involved in calcium signalling in glioma C6 cells.
2001-01
Nitrogen-dependent accumulation of cytokinins in root and the translocation to leaf: implication of cytokinin species that induces gene expression of maize response regulator.
2001-01
Activity of adenosine diphosphates and triphosphates on a P2Y(T) -type receptor in brain capillary endothelial cells.
2001-01
Potentiation of cytokine induction of group IIA phospholipase A(2) in rat mesangial cells by ATP and adenosine via the A2A adenosine receptor.
2001-01
Quantitative relationship between the chemical structure of antisense nucleosides and their capacity to interact with cyclomalto-octaose.
2001-01
Sildenafil citrate (Viagra) does not exacerbate myocardial ischemia in canine models of coronary artery stenosis.
2001-01
Quantitative assessment of myocardial perfusion during graded coronary stenosis by real-time myocardial contrast echo refilling curves.
2001-01
Myocardial perfusion in patients with permanent ventricular pacing and normal coronary arteries.
2001-01
Hoechst 33342-induced apoptosis is associated with intracellular accumulation of E2F-1 protein in BC3H-1 myocytes and HL-60 cells.
2001-01
Extracellular ATP formation on vascular endothelial cells is mediated by ecto-nucleotide kinase activities via phosphotransfer reactions.
2001-01
Purines inhibit poly(ADP-ribose) polymerase activation and modulate oxidant-induced cell death.
2001-01
Differential effect of adenosine on tumor and normal cell growth: focus on the A3 adenosine receptor.
2001-01
Paroxysmal supraventricular tachycardia: outcome after ED care.
2001-01
A novel transverse push-pull microprobe: in vitro characterization and in vivo demonstration of the enzymatic production of adenosine in the spinal cord dorsal horn.
2001-01
Cellular distribution of constitutively active mutant parathyroid hormone (PTH)/PTH-related protein receptors and regulation of cyclic adenosine 3',5'-monophosphate signaling by beta-arrestin2.
2001-01
Effects of neuroprotective cocktails on hippocampal neuron death in an in vitro model of cerebral ischemia.
2001-01
Pharmacokinetic-pharmacodynamic modeling of the antilipolytic effects of an adenosine receptor agonist in healthy volunteers.
2001-01
Influence of adduct position and sequence length on the ligation of oligonucleotides containing benzo[c]phenanthrene diol epoxide-deoxyadenosine adducts into M13mp7L2.
2001-01
P2 receptor agonists stimulate insulin release from human pancreatic islets.
2001-01
Regulation of platelet aggregation in vitro by plasma adenosine in preeclampsia.
2001
Patents

Sample Use Guides

Adult Patients: Initial dose: 6 mg given as a rapid intravenous bolus (administered over a 1-2 second period). Repeat administration: If the first dose does not result in elimination of the supraventricular tachycardia within 1-2 minutes, 12 mg should be given as a rapid intravenous bolus. This 12 mg dose may be repeated a second time if required. Pediatric Patients: Initial dose: Give 0.05 to 0.1 mg/kg as a rapid IV bolus given either centrally or peripherally. A saline flush should follow. Repeat administration: If conversion of PSVT does not occur within 1-2 minutes, additional bolus injections of adenosine can be administered at incrementally higher doses, increasing the amount given by 0.05 to 0.1 mg/kg. Follow each bolus with a saline flush. This process should continue until sinus rhythm is established or a maximum single dose of 0.3 mg/kg is used. Pediatric Patients with a Body Weight ≥ 50 kg: Administer the adult dose.
Route of Administration: Intravenous
In Vitro Use Guide
Unknown
Substance Class Chemical
Created
by admin
on Mon Mar 31 17:53:03 GMT 2025
Edited
by admin
on Mon Mar 31 17:53:03 GMT 2025
Record UNII
K72T3FS567
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
ADENOCARD
Preferred Name English
ADENOSINE
EP   HSDB   INCI   JAN   MART.   MI   ORANGE BOOK   USAN   USP   USP-RS   VANDF   WHO-DD  
INCI   USAN  
Official Name English
ADENOSINE [EP MONOGRAPH]
Common Name English
9-.BETA.-D-RIBOFURANOSYLADENINE
Common Name English
ADENOSINE [EP IMPURITY]
Common Name English
ADENOSINE [VANDF]
Common Name English
ADENOSINE [ORANGE BOOK]
Common Name English
ADENOSINE [MART.]
Common Name English
ADENOSCAN
Brand Name English
ADENOSINE [MI]
Common Name English
NSC-7652
Code English
SR 96225
Code English
ADENOSINE [JAN]
Common Name English
ADENOSINE [USP MONOGRAPH]
Common Name English
ADENOSINE [USP-RS]
Common Name English
6-AMINO-9-.BETA.-D-RIBOFURANOSYL-9H-PURINE
Common Name English
ADENOSINE [HSDB]
Common Name English
SR-96225
Code English
ADENOSINE [USAN]
Common Name English
Adenosine [WHO-DD]
Common Name English
Classification Tree Code System Code
DSLD 496 (Number of products:57)
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
LOINC 75136-2
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
WHO-ATC C01EB10
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
FDA ORPHAN DRUG 32388
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
NCI_THESAURUS C707
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LOINC 75142-0
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WHO-VATC QC01EB10
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
NDF-RT N0000178375
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NDF-RT N0000175788
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
LOINC 75160-2
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
Code System Code Type Description
EPA CompTox
DTXSID1022558
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PRIMARY
RXCUI
296
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
PRIMARY RxNorm
DRUG BANK
DB00640
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PRIMARY
CHEBI
16335
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PRIMARY
MESH
D000241
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PRIMARY
EVMPD
SUB00297MIG
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PRIMARY
WIKIPEDIA
ADENOSINE
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
PRIMARY
DAILYMED
K72T3FS567
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
PRIMARY
IUPHAR
2844
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PRIMARY
SMS_ID
100000078834
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PRIMARY
FDA UNII
K72T3FS567
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
PRIMARY
MERCK INDEX
m1411
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
PRIMARY Merck Index
HSDB
7774
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PRIMARY
PUBCHEM
60961
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PRIMARY
ChEMBL
CHEMBL477
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PRIMARY
DRUG CENTRAL
90
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PRIMARY
ECHA (EC/EINECS)
200-389-9
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PRIMARY
RS_ITEM_NUM
1012123
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
PRIMARY
NCI_THESAURUS
C207
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
PRIMARY
NSC
7652
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
PRIMARY
CAS
58-61-7
Created by admin on Mon Mar 31 17:53:03 GMT 2025 , Edited by admin on Mon Mar 31 17:53:03 GMT 2025
PRIMARY
Related Record Type Details
BASIS OF STRENGTH->SUBSTANCE
ASSAY (TITRATION)
EP
BASIS OF STRENGTH->SUBSTANCE
ASSAY (TITRATION)
USP
TARGET -> AGONIST
Ki
INHIBITOR OF EXPRESSION->TARGET
Reduces the production of adenosine
Related Record Type Details
METABOLITE -> PARENT
Adenosine is broken down by adenosine deaminase, which is present in red cells and the vessel wall.
MAJOR
Related Record Type Details
IMPURITY -> PARENT
CHROMATOGRAPHIC PURITY (HPLC/UV)
EP
IMPURITY -> PARENT
correction factors: for the calculation of content, multiply the peak areas of the following impurities by the corresponding correction factor: impurity A = 0.6; impurity G = 1.4
CHROMATOGRAPHIC PURITY (HPLC/UV)
EP
IMPURITY -> PARENT
correction factors: for the calculation of content, multiply the peak areas of the following impurities by the corresponding correction factor: impurity A = 0.6; impurity G = 1.4
CHROMATOGRAPHIC PURITY (HPLC/UV)
EP
IMPURITY -> PARENT
CHROMATOGRAPHIC PURITY (HPLC/UV)
EP
IMPURITY -> PARENT
CHROMATOGRAPHIC PURITY (HPLC/UV)
EP
Related Record Type Details
ACTIVE MOIETY