| | Identification | More |  | [Name] 
 1-METHYLXANTHINE
 |  | [CAS] 
 6136-37-4
 |  | [Synonyms] 
 METHYLXANTHINES
 1-METHYLXANTHINE
 1-methyl-xanthin
 Xanthine, 1-methyl-
 1-Methyl Xanthine 1
 1-Methylxanthine>
 1-methyl-7H-xanthine
 1-Methylxanthine ,98%
 3,9-Dihydro-1-Methyl-
 1-Methylxanthine-[13C,2H3]
 2,6-DIHYDROXY-1-METHYLPURINE
 Theophylline EP Impurity IH A
 1-Methylxanthine >=97.0% (HPLC)
 1-Methyl-1H-purine-2,6(3H,7H)-dione
 1-Methyl-7H-purine-2,6(1H,3H)-dione
 1-Methyl-3,7-dihydro-purine-2,6-dione
 3,7-dihydro-1-methyl-1H-purine-2,6-dione
 1-Methyl-3,7-dihydro-1H-purine-2,6-dione
 1H-Purine-2,6-dione, 3,7-dihydro-1-methyl-
 1H-Purine-2,6-dione, 3,9-dihydro-1-methyl-
 1-Methyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione
 1-methyl-3,4,5,7-tetrahydro-1H-purine-2,6-dione/1-Methylxanthine
 |  | [EINECS(EC#)] 
 228-108-5
 |  | [Molecular Formula] 
 C6H6N4O2
 |  | [MDL Number] 
 MFCD00005561
 |  | [Molecular Weight] 
 166.14
 |  | [MOL File] 
 6136-37-4.mol
 | 
 | Chemical Properties | Back Directory |  | [Appearance] 
 Faint Yellow Solid
 |  | [Melting point ] 
 ≥300 °C
 |  | [density ] 
 1.539±0.06 g/cm3(Predicted)
 |  | [storage temp. ] 
 Sealed in dry,Room Temperature
 |  | [solubility ] 
 Aqueous Base (Slightly), DMSO (Slightly)
 |  | [form ] 
 Solid
 |  | [pka] 
 pK1:7.70;pK2:12.0 (25°C)
 |  | [color ] 
 Pale Yellow to Dark Yellow
 |  | [λmax] 
 270nm(H2O)(lit.)
 |  | [Detection Methods] 
 HPLC
 |  | [BRN ] 
 171507
 |  | [InChI] 
 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)
 |  | [InChIKey] 
 MVOYJPOZRLFTCP-UHFFFAOYSA-N
 |  | [SMILES] 
 N1C2=C(NC(=O)N(C)C2=O)NC=1
 |  | [CAS DataBase Reference] 
 6136-37-4(CAS DataBase Reference)
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 T+
 |  | [Risk Statements ] 
 R26/27/28:Very Toxic by inhalation, in contact with skin and if swallowed .
 |  | [Safety Statements ] 
 S22:Do not breathe dust .
 S24/25:Avoid contact with skin and eyes .
 |  | [WGK Germany ] 
 3
 
 |  | [RTECS ] 
 ZD8575000
 
 |  | [HS Code ] 
 29335990
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 Faint Yellow Solid
 |  | [Uses] 
 A metabolite of Theophylline.
 |  | [Definition] 
 ChEBI: A 1-methylxanthine tautomer where the imidazole proton is located at the 7-position.
 |  | [storage] 
 Store at -20°C
 |  | [Purification Methods] 
 Crystallise it from water. It has UV: at 266nm (pH 2.08), 242.5 and max 276nm (pH 9). [Beilstein 26 II 263, 26 III/IV 2329.]
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