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Caffeine
SpectraBase Compound ID 2xADiucJcbx
InChI InChI=1S/C8H10N4O2/c1-10-4-9-5-6(10)11(2)8(14)12(3)7(5)13/h4H,1-3H3
InChIKey LPHGQDQBBGAPDZ-UHFFFAOYSA-N
Mol Weight 194.19 g/mol
Molecular Formula C8H10N4O2
Exact Mass 194.080376 g/mol
Copyright Copyright © 1989, 1990-2024 Wiley-VCH Verlag GmbH & Co. KGaA. All Rights Reserved.
Source of Sample Pharmaceutical Institute, University of Bern
Technique KBr pellet
  • 1,3,7-Trimethylxanthine

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 Flavors and Fragrances of Natural and Synthetic Compounds, 3rd Edition

Author: Luigi Mondello

FFNSC provides in-depth coverage of monoterpene and sesquiterpene hydrocarbons, their oxygenated derivatives, and aliphatic oxygenated compounds, essential components in flavor and fragrance research. Learn more.

Mass Spectra of Pesticides with Retention Indices 2nd Edition

Author: Luigi Mondello

The Mass Spectra of Pesticides with Retention Indices, 2nd Edition, contains 1,300 spectra for pesticides classified in 20 different classes. 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.

Food, Flavors, Fragrances, and Related Compounds: GC-MS Library

Author: Wiley

With Wiley's Food, Flavors, Fragrances, and Related Compounds GC-MS Library, get access to GC-MS spectra with focused compound coverage including essential oils, lipids, volatile organic compounds, terpenes, herbicides, insecticides, and other compounds of importance for food, flavor, fragrance, and cannabis applications. 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.

Maurer, Meyer, Helfer, Weber: LC-HR-MS & MS Library of Drugs, Poisons, and Their Metabolites

Author: Hans H. Maurer, Markus Meyer, Andreas G. Helfer, Armin A. Weber

Developed by toxicologist Hans H. Maurer and his team, the Maurer/Meyer/Helfer/Weber LC-HR-MS/MS Library of Drugs, Poisons, and Their Metabolites consists of spectra for parent drugs or poisons, and their metabolites or artifacts, in various compound classification groups. This metabolite-based library helps minimize the risk of false negative LC-MS results. Learn more.

Unknown Identification

Search your unknown spectrum against the world's largest collection of reference spectra

KnowItAll Campus Solutions

KnowItAll offers faculty and students at your school access to all the tools you need for spectral analysis and structure drawing & publishing! Plus, access the world's largest spectral library.