• 1,3-DIMETHYLXANTHINE
• XANTHINE, 1,3-DIMETHYL-,
• 1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl-
• 1,3-Dimethyl-1H-purine-2,6(1H,3H)-dione
• Theophylline @
• 1,3-DIMETHYL-3,7-DIHYDRO-PURINE-2,6-DIONE
• Teofillina
• Theophyllin
• 1,3-Dimethyl-7H-purine-2,6-dione
• 1.3-Dimethylxanthin
• Caffeine-M (7-nor-)

This compound is available in the following databases:

Wiley Registry of Tandem Mass Spectral Data: MS for ID

Author: Herbert Oberacher, Institute of Legal Medicine, Innsbruck/Austria

The Wiley Registry® of Tandem Mass Spectral Data: MS for ID contains 10,000 positive and negative mode spectra of over 1200 compounds of interest for forensics, toxicology, and pathology. Learn more.

Mass Spectra of Designer Drugs 2024

Author: Peter Rösner

This library enables fast and reliable identification of the latest illegal designer drugs. It is updated annually. Learn more.

KnowItAll NMR Spectral Library

Author: Wiley

The KnowItAll NMR Spectral Library offers a comprehensive collection of NMR reference spectra, including NMR, CNMR, and XNMR, and covers a wide range of compounds including organics, polymers, monomers, metabolites, and more. Learn more.

KnowItAll IR, Raman, and UV-Vis Spectral Libraries

Author: Wiley

The KnowItAll IR, Raman, and UV-Vis spectral libraries offer access to the world's largest collection of IR, Raman, and UV-Vis spectra, including the renowned Sadtler spectra. The libraries include a wide range of compounds from pure organics to industrial compounds. Learn more.

KnowItAll Mass Spectral Library

Author: Wiley

The KnowItAll Mass Spectral Library offers a comprehensive collection of mass spectra, including the renowned Wiley Registry, and access to a wide range of compounds including pure organics, drugs, steroids, additives, geochemicals, petrochemicals, biomarkers, and more. Learn more.

Maurer, Meyer, Pfleger, Weber: GC-MS Library of Drugs, Poisons, and Their Metabolites 6th Edition

Author: Hans H. Maurer, Markus Meyer, Karl Pfleger, Armin A. Weber

Identification of trace drugs, poisons, and pollutants requires broad coverage of specific compound classes: metabolites, acetylated, methylated, trimethylsilylated, trifluoroacetylated, pentafluoropropionylated, and heptafluorobutyrylated compounds. Learn more.

Wiley Registry of Mass Spectral Data 2023

Author: Wiley

The foundation library for any analytical laboratory running mass spectrometry, the Wiley Registry provides the broadest coverage available in any mass spectral library Learn more.