• Cholestenone
• .delta.-4-Cholesten-3-one
• (8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-1,2,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-3H-cyclopenta[a]phenanthren-3-one
• 4-Cholesten-3-one
• (+)-4-Cholesten-3-one
• 17-(1,5-DIMETHYL-HEXYL)-10,13-DIMETHYL-1,2,6,7,8,9,10,11,12,13,14,15,16,17-TETRADECAHYDRO-CYCLOPENTA[A]PHENANTHREN-3-ONE
• CHOLEST-4-ENE-3-ONE
• 3-Oxo-4-cholestene
• 3-Keto-4-cholestene
• (1S,2R,10S,11S,14R,15R)-2,15-dimethyl-14-[(2R)-6-methylheptan-2-yl]tetracyclo[8.7.0.0(2,7).0(11,15)]heptadec-6-en-5-one
• (8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3(2H)-one

This compound is available in the following databases:

KnowItAll IR Spectral Library

Author: Wiley

Wiley's KnowItAll IR Spectral Library offers access to the world's largest collection of high-quality infrared spectra, including the renowned Sadtler databases. Learn more.

Mass Spectra of Geochemicals, Petrochemicals and Biomarkers

Author: J. W. De Leeuw

Mass Spectra of Geochemicals, Petrochemicals and Biomarkers is a high-quality database for organic, geo, and/or petrochemist featuring mass spectra of well-defined compounds. Learn more.

Mass Spectra of Physiologically Active Substances - including drugs, steroid hormones,and endocrine disruptors 2011

Author: Parr, Maria Kristina; Opfermann, Georg; Schänzer, Wilhelm; Makin, Hugh L. J.

Fast and reliable identification of trace steroids requires an up-to-date library covering most known and newly emerging steroids. It is updated annually. Learn more.

Mass Spectra of Designer Drugs 2025

Author: Peter Rösner

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

KnowItAll GC-MS 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.

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.

Wiley Registry of Mass Spectral Data 2026

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.