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Details

Stereochemistry ACHIRAL
Molecular Formula C6H6N4O2
Molecular Weight 166.1374
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of 1-METHYLXANTHINE

SMILES

CN1C(=O)NC2=C(NC=N2)C1=O

InChI

InChIKey=MVOYJPOZRLFTCP-UHFFFAOYSA-N
InChI=1S/C6H6N4O2/c1-10-5(11)3-4(8-2-7-3)9-6(10)12/h2H,1H3,(H,7,8)(H,9,12)

HIDE SMILES / InChI

Molecular Formula C6H6N4O2
Molecular Weight 166.1374
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Approval Year

PubMed

PubMed

TitleDatePubMed
Loss of insulin-mediated microvascular perfusion in skeletal muscle is associated with the development of insulin resistance.
2010-09
Plant polyphenol curcumin significantly affects CYP1A2 and CYP2A6 activity in healthy, male Chinese volunteers.
2010-06
Is 1-methylxanthine an ideal model substrate for establishing the renal tubular transport of organic ions?
2010-02
Demethylation of theophylline (1,3-dimethylxanthine) to 1-methylxanthine: the first step of an antioxidising cascade.
2010
Simultaneous action of the flavonoid quercetin on cytochrome P450 (CYP) 1A2, CYP2A6, N-acetyltransferase and xanthine oxidase activity in healthy volunteers.
2009-08
Enhancement of radiotherapeutic effectiveness by temperature-sensitive liposomal 1-methylxanthine.
2009-05-08
Caffeine metabolic ratios for the in vivo evaluation of CYP1A2, N-acetyltransferase 2, xanthine oxidase and CYP2A6 enzymatic activities.
2009-05
Interleukin-6 attenuates insulin-mediated increases in endothelial cell signaling but augments skeletal muscle insulin action via differential effects on tumor necrosis factor-alpha expression.
2009-05
Phenotyping of N-acetyltransferase type 2 and xanthine oxidase with caffeine: when should urine samples be collected?
2009-04
1-Methylxanthine enhances the radiosensitivity of tumor cells.
2009-02
Relaxing and contracting effects of theophylline's metabolites on the rabbit upper gastrointestinal tract.
2008-10
Anti-inflammatory effect of theophylline in rats and its involvement of the glucocorticoid-glucocorticoid receptor system.
2008-04
Point: There is capillary recruitment in active skeletal muscle during exercise.
2008-03
Inhibitory effects of caffeine and its metabolites on intracellular lipid accumulation in murine 3T3-L1 adipocytes.
2008
Theophylline and its metabolites produce a stimulating cholinergic effect on the small intestine and a nonadrenergic noncholinergic relaxing effect on the colon: a comparative study in the rabbit intestine.
2007-12
Reduction in non-glomerular renal clearance of the caffeine metabolite 1-methylxanthine by probenecid.
2007-08
Acute effects of wortmannin on insulin's hemodynamic and metabolic actions in vivo.
2007-03
In vivo evaluation of CYP1A2, CYP2A6, NAT-2 and xanthine oxidase activities in a Greek population sample by the RP-HPLC monitoring of caffeine metabolic ratios.
2007-02
Concordance between the deduced acetylation status generated by high-speed: real-time PCR based NAT2 genotyping of seven single nucleotide polymorphisms and human NAT2 phenotypes determined by a caffeine assay.
2007-02
Caffeine N3-demethylation (CYP1A2) in a population with an increased exposure to polychlorinated biphenyls.
2006-12
Effect of diet on the development of drug metabolism by cytochrome P-450 enzymes in healthy infants.
2006-12
Caffeine metabolites are inhibitors of the nuclear enzyme poly(ADP-ribose)polymerase-1 at physiological concentrations.
2006-09-28
Associations between CYP2E1 promoter polymorphisms and plasma 1,3-dimethyluric acid/theophylline ratios.
2006-08
[Determination of the activity of cytochrome P-450 CYP2A6 by HPLC method with caffeine as metabolizing probe].
2006-03
Re-investigation of the concordance of human NAT2 phenotypes and genotypes.
2005-04
Measurement of caffeine and five of the major metabolites in urine by high-performance liquid chromatography/tandem mass spectrometry.
2005-03
Capillary electrochromatography of caffeine and its metabolites in rat brain microdialysate.
2005-02
Exercise and insulin-mediated capillary recruitment in muscle.
2005-01
Local methacholine but not bradykinin potentiates insulin-mediated glucose uptake in muscle in vivo by augmenting capillary recruitment.
2004-12
High-throughput liquid chromatography-tandem mass spectrometry assay for plasma theophylline and its metabolites.
2004-11
Separation, pre-concentration, and HPLC analysis of methylxanthines in urine samples.
2004-10
Skeletal muscle contraction stimulates capillary recruitment and glucose uptake in insulin-resistant obese Zucker rats.
2004-10
Inhibition of the human organic anion transporter 1 by the caffeine metabolite 1-methylxanthine.
2004-07-16
Phenotyping of N-acetyltransferase type 2 by caffeine from uncontrolled dietary exposure.
2004-03
Insulin sensitivity of muscle capillary recruitment in vivo.
2004-02
Acetylator phenotyping in patients with malignant lymphomas, using caffeine as the metabolic probe.
2004-01-07
Cytochrome P450 1A2 (CYP1A2) activity and risk factors for breast cancer: a cross-sectional study.
2004
Cytochrome P450 1A2 (CYP1A2) activity, mammographic density, and oxidative stress: a cross-sectional study.
2004
T-1032, a cyclic GMP phosphodiesterase-5 inhibitor, acutely blocks physiologic insulin-mediated muscle haemodynamic effects and glucose uptake in vivo.
2003-12
TNF-alpha acutely inhibits vascular effects of physiological but not high insulin or contraction.
2003-09
Inhibiting NOS blocks microvascular recruitment and blunts muscle glucose uptake in response to insulin.
2003-07
Preventive effect of zaprinast and 3-isobutyl, 1-methylxanthine (phosphodiesterase inhibitors) on gastric injury induced by nonsteroidal antiinflammatory drugs in rats.
2003-05
Nonnutritive flow impairs uptake of fatty acid by white muscles of the perfused rat hindlimb.
2003-03
Interaction of ibuprofen and probenecid with drug metabolizing enzyme phenotyping procedures using caffeine as the probe drug.
2003-02
Pharmacokinetics of intravenous theophylline in mutant Nagase analbuminemic rats.
2003-01-31
Group I aptazymes as genetic regulatory switches.
2002-12-04
Effects of acute renal failure induced by uranyl nitrate on the pharmacokinetics of intravenous theophylline in rats: the role of CYP2E1 induction in 1,3-dimethyluric acid formation.
2002-12
Insulin-mediated hemodynamic changes are impaired in muscle of Zucker obese rats.
2002-12
Neurotoxic convulsions induced by theophylline and its metabolites in mice.
1996-06
Structure-activity relationships for the binding of ligands to xanthine or guanine phosphoribosyl-transferase from Toxoplasma gondii.
1995-11-09
Substance Class Chemical
Created
by admin
on Mon Mar 31 18:53:23 GMT 2025
Edited
by admin
on Mon Mar 31 18:53:23 GMT 2025
Record UNII
7EE8WCA32U
Record Status Validated (UNII)
Record Version
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Name Type Language
1H-PURINE-2,6-DIONE, 3,7-DIHYDRO-1-METHYL-
Preferred Name English
1-METHYLXANTHINE
Systematic Name English
XANTHINE, 1-METHYL-
Systematic Name English
1H-PURINE-2,6-DIONE, 3,9-DIHYDRO-1-METHYL-
Systematic Name English
Code System Code Type Description
MESH
C053085
Created by admin on Mon Mar 31 18:53:23 GMT 2025 , Edited by admin on Mon Mar 31 18:53:23 GMT 2025
PRIMARY
FDA UNII
7EE8WCA32U
Created by admin on Mon Mar 31 18:53:23 GMT 2025 , Edited by admin on Mon Mar 31 18:53:23 GMT 2025
PRIMARY
EPA CompTox
DTXSID30210271
Created by admin on Mon Mar 31 18:53:23 GMT 2025 , Edited by admin on Mon Mar 31 18:53:23 GMT 2025
PRIMARY
PUBCHEM
80220
Created by admin on Mon Mar 31 18:53:23 GMT 2025 , Edited by admin on Mon Mar 31 18:53:23 GMT 2025
PRIMARY
CAS
6136-37-4
Created by admin on Mon Mar 31 18:53:23 GMT 2025 , Edited by admin on Mon Mar 31 18:53:23 GMT 2025
PRIMARY
ECHA (EC/EINECS)
228-108-5
Created by admin on Mon Mar 31 18:53:23 GMT 2025 , Edited by admin on Mon Mar 31 18:53:23 GMT 2025
PRIMARY
Related Record Type Details
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URINE