EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

4-methyl imidazole
imidazole, 4-methyl-

Supplier Sponsors

Name:5-methyl-1H-imidazole
CAS Number: 822-36-6Picture of molecule3D/inchi
Other(deleted CASRN):163498-05-3
ECHA EINECS - REACH Pre-Reg:212-497-3
FDA UNII: Q64GF9FV4I
Nikkaji Web:J43.099D
Beilstein Number:0001453
MDL:MFCD00005201
XlogP3:0.20 (est)
Molecular Weight:82.10582000
Formula:C4 H6 N2
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome, Edge or firefox)
Category:natural substances and extractives
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
PubMed:Search
NCBI:Search
 
Physical Properties:
Assay: 95.00 to 100.00
Food Chemicals Codex Listed: No
Melting Point: 56.00 °C. @ 760.00 mm Hg
Boiling Point: 263.00 °C. @ 760.00 mm Hg
Vapor Pressure:0.007000 mmHg @ 25.00 °C. (est)
Flash Point:> 230.00 °F. TCC ( > 110.00 °C. )
logP (o/w): 0.230
Soluble in:
 water, 8.246e+004 mg/L @ 25 °C (est)
 
Organoleptic Properties:
Odor and/or flavor descriptions from others (if found).
 
Cosmetic Information:
None found
 
Suppliers:
Sigma-Aldrich: Aldrich
For experimental / research use only.
4(5)-Methylimidazole 98%
TCI AMERICA
For experimental / research use only.
4-Methylimidazole >98.0%(GC)
 
Safety Information:
Preferred SDS: View
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
intraperitoneal-chicken LD50 210 mg/kg
BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Toxicology and Applied Pharmacology. Vol. 14, Pg. 301, 1969.

oral-chicken LD50 590 mg/kg
BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Toxicology and Applied Pharmacology. Vol. 14, Pg. 301, 1969.

intraperitoneal-mouse LD50 165 mg/kg
BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Toxicology and Applied Pharmacology. Vol. 14, Pg. 301, 1969.

oral-mouse LD50 370 mg/kg
BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Toxicology and Applied Pharmacology. Vol. 14, Pg. 301, 1969.

intraperitoneal-rabbit LDLo 120 mg/kg
BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD
Toxicology and Applied Pharmacology. Vol. 14, Pg. 301, 1969.

oral-rat LD50 751 mg/kg
BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD BEHAVIORAL: TREMOR GASTROINTESTINAL: OTHER CHANGES
Toxicology and Applied Pharmacology. Vol. 89, Pg. 175, 1987.

Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category:
natural substances and extractives
Recommendation for 4-methyl imidazole usage levels up to:
 not for fragrance use.
 
Recommendation for 4-methyl imidazole flavor usage levels up to:
 not for flavor use.
 
Safety References:
EPI System: View
Chemical Carcinogenesis Research Information System:Search
AIDS Citations:Search
Cancer Citations:Search
Toxicology Citations:Search
EPA Substance Registry Services (TSCA):822-36-6
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :13195
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:2
5-methyl-1H-imidazole
Chemidplus:0000822366
RTECS:NI7350000 for cas# 822-36-6
 
References:
 5-methyl-1H-imidazole
NIST Chemistry WebBook:Search Inchi
Pubchem (cid):13195
Pubchem (sid):134977946
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2011 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
CHEBI:View
CHEMBL:View
KEGG (GenomeNet):C19262
HMDB (The Human Metabolome Database):Search
Export Tariff Code:2933.29.9000
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
Wikipedia:View
 
Potential Blenders and core components note
None Found
 
Potential Uses:
None Found
 
Occurrence (nature, food, other):note
 found in nature
 
Synonyms:
1H-imidazole, 4-methyl-
 imidazole, 4-methyl-
1H-imidazole, 5-methyl-
4-methyl-1H-imidazole
5-methyl-1H-imidazole
4-methylimidazole
4(or 5)-methylimidazole
 

Articles:

PubMed:Second generation silver(I)-mediated imidazole base pairs.
PubMed:Separation and determination of 4-methylimidazole, 2-methylimidazole and 5-hydroxymethylfurfural in beverages by amino trap column coupled with pulsed amperometric detection.
PubMed:Short communication: Amino trap column improving the separation of methylimidazoles, 5-hydroxymethyl-2-furaldehyde, and sugars in Maillard reaction.
PubMed:Structural insight into activity enhancement and inhibition of H64A carbonic anhydrase II by imidazoles.
PubMed:Determination of caramel colorants' by-products in liquid foods by ultra-high-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS).
PubMed:Combined EXAFS and DFT structure calculations provide structural insights into the 1:1 multi-histidine complexes of Cu(II) , Cu(I) , and Zn(II) with the tandem octarepeats of the mammalian prion protein.
PubMed:Observation of the slow, Debye-like relaxation in hydrogen-bonded liquids by dynamic light scattering.
PubMed:Determination of 4-Methylimidazole and 2-Acetyl-4()- tetrahydroxybutylimidazole in Caramel Color and Processed Foods by LC-MS/MS.
PubMed:SAR genotoxicity and tumorigenicity predictions for 2-MI and 4-MI using multiple SAR software.
PubMed:Photoinduced electron transfer from PbS quantum dots to cobalt(III) Schiff base complexes: light activation of a protein inhibitor.
PubMed:Comparison and evaluation of five types of imidazole-modified silica adsorbents for the removal of 2,4-dinitrophenol from water samples with the methyl group at different positions of imidazolium ring.
PubMed:Formation of 4(5)-methylimidazole and its precursors, α-dicarbonyl compounds, in Maillard model systems.
PubMed:Direct analysis of 4-methylimidazole in foods using paper spray mass spectrometry.
PubMed:Synthesis, crystal structure, spectroscopic, fluorescent, thermal properties and EPR spectra of doped Cu2+ ions in [Cd(sac)2(H2O)2(meim)2] single crystal.
PubMed:Evaluating consistency in the interpretation of NTP rodent cancer bioassays: an examination of mouse lung tumor effects in the 4-MEI study.
PubMed:The structure of azines derived from C-formyl-1H-imidazoles in solution and in the solid state: tautomerism, configurational and conformational studies.
PubMed:Determination of 2-methylimidazole and 4-methylimidazole in caramel colors by capillary electrophoresis.
PubMed:Carcinogenic 4(5)-methylimidazole found in beverages, sauces, and caramel colors: chemical properties, analysis, and biological activities.
PubMed:Axial ligand exchange of N-heterocyclic cobalt(III) Schiff base complexes: molecular structure and NMR solution dynamics.
PubMed:Formation of carcinogenic 4(5)-methylimidazole in caramel model systems: a role of sulphite.
PubMed:Determination of 2-methylimidazole, 4-methylimidazole and 2-acetyl-4-(1,2,3,4-tetrahydroxybutyl)imidazole in caramel colours and cola using LC/MS/MS.
PubMed:Switching orientation of two axial imidazole ligands between parallel and perpendicular in low-spin Fe(III) and Fe(II) nonplanar porphyrinates.
PubMed:Carcinogenicity and regulation of caramel colorings.
PubMed:Re-evaluation of the proton affinity of 18-crown-6 using competitive threshold collision-induced dissociation techniques.
PubMed:Comparative risk assessment of carcinogens in alcoholic beverages using the margin of exposure approach.
PubMed:Structural and energetic effects in the molecular recognition of protonated peptidomimetic bases by 18-crown-6.
PubMed:Simultaneous quantitation of 2-acetyl-4-tetrahydroxybutylimidazole, 2- and 4-methylimidazoles, and 5-hydroxymethylfurfural in beverages by ultrahigh-performance liquid chromatography-tandem mass spectrometry.
PubMed:Completely N1-selective palladium-catalyzed arylation of unsymmetric imidazoles: application to the synthesis of nilotinib.
PubMed:Determination of 4(5)-methylimidazole in soy sauce and other foods by LC-MS/MS after solid-phase extraction.
PubMed:Reengineering rate-limiting, millisecond enzyme motions by introduction of an unnatural amino acid.
PubMed:Chemical rescue of enzymes: proton transfer in mutants of human carbonic anhydrase II.
PubMed:Quantification of 4-methylimidazole in class III and IV caramel colors: validation of a new method based on heart-cutting two-dimensional liquid chromatography (LC-LC).
PubMed:Intramolecular proton shuttle supports not only catalytic but also noncatalytic function of carbonic anhydrase II.
PubMed:Formation of carcinogenic 4(5)-methylimidazole in Maillard reaction systems.
PubMed:Does 4-methylimidazole have tumor preventive activity in the rat?
PubMed:Preparation and evaluation of silica-based ionic liquid-modified stationary phase for HPLC.
PubMed:Advent of innovative chemiluminescent enzyme immunoassay.
PubMed:Ligand effects on the [Cu(PhO)(PhOH)]+ redox active complex.
PubMed:DFT calculations of the EPR parameters for Cu(ii) DETA imidazole complexes.
PubMed:Effects of 4-methylimidazole on cerebral glutamate decarboxylase activity and specific GABA receptor binding in mice.
PubMed:Three-dimensional networks in bis(imidazolium) 2,2'-dithiodibenzoate and 4-methylimidazolium 2-[(2-carboxyphenyl)disulfanyl]benzoate.
PubMed:Light-induced oxidation of tryptophan and histidine. Reactivity of aromatic N-heterocycles toward triplet-excited flavins.
PubMed:Microfluidic device capable of sensing ultrafast chemiluminescence.
PubMed:Comparative analysis of mutant tyrosine kinase chemical rescue.
PubMed:A DFT study of the 67Zn, 14N and 2H electric field gradient tensors in Zinc(II)-4-MeIm complexes and extrapolation to superoxide dismutase.
PubMed:Reaction dynamics of excited 2-(3-benzoylphenyl)propionic acid (ketoprofen) with histidine.
PubMed:Structures of human cytochrome P-450 2E1. Insights into the binding of inhibitors and both small molecular weight and fatty acid substrates.
PubMed:Two three-dimensional networks in the binary molecular adducts 4-methylimidazolium hydrogen terephthalate and bis(4-methylimidazolium) terephthalate.
PubMed:Hydrogen atom transfer reactions of iron-porphyrin-imidazole complexes as models for histidine-ligated heme reactivity.
PubMed:Synthesis of cyclic oligomers from histidine-derived building blocks using dynamic combinatorial chemistry.
PubMed:Different protonation equilibria of 4-methylimidazole and acetic acid.
PubMed:Binding of antitumor ruthenium complexes to DNA and proteins: a theoretical approach.
PubMed:Toxicity and carcinogenicity studies of 4-methylimidazole in F344/N rats and B6C3F1 mice.
PubMed:Toxicology and carcinogenesis studies of 4-methylimidazole (Cas No. 822-36-6) in F344/N rats and B6C3F1 mice (feed studies).
PubMed:Location of binding sites in small molecule rescue of human carbonic anhydrase II.
PubMed:Supercritical fluid extraction (SFE) of 4(5)-methylimidazole (4-MeI) and 2-acetyl-4(5)-(1,2,3,4)-tetrahydroxybutyl-imidazole (THI) from ground-coffee with high-performance liquid chromatographic-electrospray mass spectrometric quantification (HPLC/ESI-MS).
PubMed:Variation of atomic charges on proton transfer in strong hydrogen bonds: the case of anionic and neutral imidazole-acetate complexes.
PubMed:Protonation and hydrogen-bonding state of the distal histidine in the CO complex of horseradish peroxidase as studied by ultraviolet resonance Raman spectroscopy.
PubMed:Synthesis, reactivity, and X-ray crystal structure of some mixed-ligand oxovanadium(V) complexes: first report of binuclear oxovanadium(V) complexes containing 4,4'-bipyridine type bridge.
PubMed:Proton transfer pathways in the mutant His-64-Ala of human carbonic anhydrase II.
PubMed:Solid-phase extraction of 4(5)-methylimidazole (4MeI) and 2-acetyl-4(5)-(1,2,3,4-tetrahydroxybutyl)-imidazole (THI) from foods and beverages with subsequent liquid chromatographic-electrospray mass spectrometric quantification.
PubMed:Inhibitive properties and surface morphology of a group of heterocyclic diazoles as inhibitors for acidic iron corrosion.
PubMed:Induction of thyroid lesions in 14-week toxicity studies of 2 and 4-methylimidazole in Fischer 344/N rats and B6C3F1 mice.
PubMed:NMR and theoretical study on the coordination and solution structures of the interaction between diperoxovanadate complexes and histidine-like ligands.
PubMed:Variation of geometries and electron properties along proton transfer in strong hydrogen-bond complexes.
PubMed:Delamination and aromatic amine intercalation of layered aluminophosphate with [Al3P4O16]3- stoichiometry.
PubMed:Proton transfer from exogenous donors in catalysis by human carbonic anhydrase II.
PubMed:Environmental effects on proton transfer in a strong hydrogen bond dimer: the 4-methyl-imidazole-aspartate case.
PubMed:From model compounds to protein binding: syntheses, characterizations and fluorescence studies of [RuII(bipy)(terpy)L]2+ complexes (bipy = 2,2'-bipyridine; terpy = 2,2':6',2''-terpyridine; L = imidazole, pyrazole and derivatives, cytochrome c).
PubMed:A strong positive dendritic effect in a peptide dendrimer-catalyzed ester hydrolysis reaction.
PubMed:Lead and thallium tetrakis(imidazolyl)borates: modifying structure by varying metal and anion.
PubMed:NTP technical report on the toxicity studies of 2- and 4-Methylimidazole (CAS No. 693-98-1 and 822-36-6) administered in feed to F344/N rats and B6C3F1 mice.
PubMed:Synthesis and esterolytic activity of catalytic peptide dendrimers.
PubMed:An EPR, ESEEM, structural NMR, and DFT study of a synthetic model for the covalently ring-linked tyrosine-histidine structure in the heme-copper oxidases.
PubMed:Solvent and pH effects on fast and ultrasensitive 1,1'-oxalyldi(4-methyl)imidazole chemiluminescence.
PubMed:Oxovanadium(IV) and -(V) complexes of dithiocarbazate-based tridentate Schiff base ligands: syntheses, structure, and photochemical reactivity of compounds involving imidazole derivatives as coligands.
PubMed:Fast peroxyoxalate chemiluminescence for minimized analytical separation systems.
PubMed:The refined atomic structure of carbonic anhydrase II at 1.05 A resolution: implications of chemical rescue of proton transfer.
PubMed:Gas chromatographic-mass spectrometric quantification of 4-(5-)methylimidazole in roasted coffee after ion-pair extraction.
PubMed:Direct infrared detection of the covalently ring linked His-Tyr structure in the active site of the heme-copper oxidases.
PubMed:Chemical rescue in catalysis by human carbonic anhydrases II and III.
PubMed:Urine markers of interstitial cystitis.
PubMed:Structural and kinetic analysis of the chemical rescue of the proton transfer function of carbonic anhydrase II.
PubMed:Crystal structure of bis(4-methylimidazole)tetraphenylporphyrinatoiron(III) chloride and related compounds. Correlation of ground state with Fe-N bond lengths.
PubMed:The electronic structure and spectra of Ru(II) and Ru(III) complexes with imidazole and its derivatives.
PubMed:Kinetic studies of imidazole and its methyl derivative binding to metmyoglobin: effects of substitute methyl on the binding affinity.
PubMed:Reactive-site design in folded-polypeptide catalysts--the leaving group pKa of reactive esters sets the stage for cooperativity in nucleophilic and general-acid catalysis.
PubMed:Trans-substitution of the proximal hydrogen bond in myoglobin: I. Structural consequences of hydrogen bond deletion.
PubMed:Ammoniated forage poisoning: acute toxicity of newly identified dialkylimidazoles to inbred mice.
PubMed:The binding of imidazole in an azurin-like blue-copper site.
PubMed:Modification of histidine residues by 4,5-epoxy-2-alkenals.
PubMed:Proton resonance assignments and ligand exchange kinetics in high-spin and mixed-spin myoglobin complexes using two-dimensional exchange spectroscopy.
PubMed:Structural changes in the heme proximal pocket induced by nitric oxide binding to soluble guanylate cyclase.
PubMed:Imidazoles suppress rat testosterone secretion and testicular interstitial fluid formation In vivo.
PubMed:The regiospecific N-derivatization of histidine side chains: reinvestigation of a supposed N tau to N pi migration.
PubMed:Protein modification by a Maillard reaction intermediate methylglyoxal. Immunochemical detection of fluorescent 5-methylimidazolone derivatives in vivo.
PubMed:Association of interleukin-6 in the cerebrospinal fluid during crisis of calf with ammoniated feed syndrome.
PubMed:Characterization of endothelial nitric-oxide synthase and its reaction with ligand by electron paramagnetic resonance spectroscopy.
PubMed:Nonsteric factors dominate binding of nitric oxide, azide, imidazole, cyanide, and fluoride to the rhizobial heme-based oxygen sensor FixL.
PubMed:Oxidative transformation of 2-hydroxyestrone. Stability and reactivity of 2,3-estrone quinone and its relationship to estrogen carcinogenicity.
PubMed:Modulation of protein function by exogenous ligands in protein cavities: CO binding to a myoglobin cavity mutant containing unnatural proximal ligands.
PubMed:Reactions of 3,4-estrone quinone with mimics of amino acid side chains.
PubMed:Responses to L-163,491, a nonpeptide angiotensin II mimic, in the pulmonary vascular bed of the cat.
PubMed:Structure of metal site in Cd-substituted His117Gly mutant of azurin with and without addition of imidazole derivatives.
PubMed:Marked effects of alcohols and imidazoles on the cumyl hydroperoxide reaction with the wild-type cytochrome P450 1A2.
PubMed:Toxicokinetics of 4-methylimidazole in the male F344 rat.
PubMed:Histidine oxidation in the S2 to S3 transition probed by FTIR difference spectroscopy in the Ca(2+)-depleted photosystem II: comparison with histidine radicals generated by UV irradiation.
PubMed:Metabolism-dependent toxicity of methimazole in the olfactory nasal mucosa.
PubMed:Inhibition of p-nitrophenol hydroxylase in rat liver microsomes by small aromatic and heterocyclic molecules.
PubMed:The pharmacokinetics and metabolism of DuP 532, a non-peptide angiotensin II receptor antagonist, in rats and dogs.
PubMed:Disposition of 4-methylimidazole in goats and heifers.
PubMed:Further arguments against 4-methylimidazole as causal factor in ammoniated forage toxicosis: experimental seed-hay poisoning in young lambs.
PubMed:Molecular changes following oxidoreduction of cytochrome b559 characterized by Fourier transform infrared difference spectroscopy and electron paramagnetic resonance: photooxidation in photosystem II and electrochemistry of isolated cytochrome b559 and iron protoporphyrin IX-bisimidazole model compounds.
PubMed:N1-(2-hydroxyethylthioethyl)-4-methyl imidazole (4-met-1-imid-thiodiglycol) in plasma and urine: a novel metabolite following dermal exposure to sulphur mustard.
PubMed:Comparison of methods for intestinal histamine application: histamine in enterosoluble capsules or via a duodeno-jenunal tube. Influence of fast and histamine-restrictive diet.
PubMed:High-performance liquid chromatographic determination of 4-methylimidazole in sheep plasma and in ammoniated tall fescue hay.
PubMed:Pharmacokinetics of 4-methylimidazole in sheep.
PubMed:Determination of 4-methylimidazole in caramel color by capillary isotachophoresis.
PubMed:Theoretical calculation of tautomer equilibria in solution: 4-(5-)methylimidazole.
PubMed:Generation of a catalytic antibody by site-directed mutagenesis.
PubMed:Pathology and pathophysiology of painful bladder diseases.
PubMed:Uranyl-ion catalyzed oligonucleotide synthesis from adenosine-5'-phosphorazolide. The effect of azoles as nucleotide activating groups.
PubMed:Derivatives of epinephrine, norepinephrine, octopamine and histamine formed by homogenates of Trichostrongylus colubriformis, a nematode parasite of ruminants.
PubMed:Electron-nuclear coupling in nitrosyl heme proteins and in nitrosyl ferrous and oxy cobaltous tetraphenylporphyrin complexes.
PubMed:Effects of 4-methylimidazole in young calves.
PubMed:The relationship between uncoupling of oxidative phosphorylation and neuronal necrosis within the CNS in rats dosed with trihalogenated imidazoles.
PubMed:Urinary excretion of a metabolite of histamine (1,4-methyl-imidazole-acetic-acid) in painful bladder disease.
PubMed:Effects of imidazole and some imidazole-derivatives on lisuride-induced mounting and aggressiveness.
PubMed:Etiology of ammoniated hay toxicosis.
PubMed:Pilot studies in cattle and mice to determine the presence of 4-methylimidazole in milk after oral ingestion.
PubMed:Synthesis and biological activity of 5-thiobredinin and certain related 5-substituted imidazole-4-carboxamide ribonucleosides.
PubMed:Inhibition of tolbutamide metabolism by substituted imidazole drugs in vivo: evidence for a structure-activity relationship.
PubMed:[Determination of 4-methylimidazole in caramel color by an improved thin-layer chromatography method].
PubMed:A simple and convenient synthesis of 3'-5'- or 2'-5'-linked oligoribonucleotide by polymerization of unprotected ribonucleoside using phosphorus tris-azole.
PubMed:The prebiotic synthesis and catalytic role of imidazoles and other condensing agents.
PubMed:Characterization of cimetidine, ranitidine, and related structures' interaction with cytochrome P-450.
PubMed:Potential Radiosensitizing Agents III: 2-Nitro-4-acetylimidazole analogs.
PubMed:Arachidonic acid induces human platelet-fibrin retraction: the role of platelet cyclic endoperoxides.
PubMed:Benzoate catalysis in the hydrolysis of endo-5-[4'(5')imidazolyl]-bicyclo[2.2.1]hept-endo- 2-yl trans-cinnamate: Implications for the charge-transfer mechanism of catalysis by serine proteases.
PubMed:Reactions between peroxidizing lipids and histidyl residue analogues: enhancement of lipid oxidation and browning by 4-methylimidazole.
PubMed:Specific modification of 17 beta-estradiol dehydrogenase from human placenta by nicotinamide- (5-bromoacetyl-4-methylimidazole) dinucleotide.
PubMed:Quantitative determination of 4-methylimidazole as 1-acetyl derivative in caramel color by gas-liquid chromatography.
PubMed:[Synthesis and properties of 5-acetyl-4-methyl-1-(beta-d-ribofuranosyl)-imidazole-5' di-and-triphosphate].
PubMed:[Specific incorporation of the coenzyme analogue nicotinamide-(5-(bromoacetyl)-4-methyl-imidazole)-dinucleotide into alcohol dehydrogenase from liver].
PubMed:Some new derivatives of 4-methylimidazole.
 
Notes:
None found
Please share your Comments.
Email Address:
Top of Page Home
Copyright © 1980-2021 The Good Scents Company (tgsc) ™ Disclaimer Privacy Policy