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222526

Sigma-Aldrich

3-Methylxanthine

98%

Synonym(s):

2,6-Dihydroxy-3-methylpurine

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About This Item

Empirical Formula (Hill Notation):
C6H6N4O2
CAS Number:
Molecular Weight:
166.14
Beilstein:
180944
EC Number:
MDL number:
UNSPSC Code:
12352005
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

98%

mp

>300 °C (lit.)

SMILES string

CN1C(=O)NC(=O)c2[nH]cnc12

InChI

1S/C6H6N4O2/c1-10-4-3(7-2-8-4)5(11)9-6(10)12/h2H,1H3,(H,7,8)(H,9,11,12)

InChI key

GMSNIKWWOQHZGF-UHFFFAOYSA-N

Gene Information

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General description

3-Methylxanthine, a metabolite of theophylline, was quantitated in rat plasma by a sensitive LC-MS/MS method.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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M C Rogge et al.
Clinical pharmacology and therapeutics, 46(4), 420-428 (1989-10-01)
The pharmacokinetics of theophylline and its three major metabolites, 3-methylxanthine, 1-methylurate, and 1,3-dimethylurate, were studied during intermittent administration of enoxacin. The addition of enoxacin (400 mg, twice daily) to a theophylline dosing regimen (150 mg, twice daily) resulted in an
Shawn K Desai et al.
Journal of the American Chemical Society, 126(41), 13247-13254 (2004-10-14)
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Binxing Zhou et al.
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Natural microorganisms involved in solid-state fermentation (SSF) of Pu-erh tea have a significant impact on its chemical components. Aspergillus sydowii is a fungus with a high caffeine-degrading capacity. In this work, A. sydowii was inoculated into sun-dried green tea leaves
K Ueno et al.
DICP : the annals of pharmacotherapy, 25(7-8), 727-730 (1991-07-01)
The mechanism of an interaction between theophylline and mexiletine hydrochloride was investigated in 6 male inpatients coadministered both drugs and 16 inpatients (13 men, 3 women) administered theophylline only. Serum theophylline and mexiletine concentrations and urinary concentrations of theophylline and

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