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isopentenyl pyrophosphate [Supplementary Concept]
substrate for isopentenyl pyrophosphate isomerase; RN given refers to unlabeled cpd; a nonpeptide mycobacterial antigen that stimulates gamma delta T cells
Date introduced: January 1, 1973
Hemiterpenes
Compounds that include a single 2-methyl-1,3-butadiene (also known as isoprene) within their structure.
Year introduced: 2004
Terpenes
A class of compounds composed of repeating 5-carbon units of HEMITERPENES.
Organophosphorus Compounds
Organic compounds that contain phosphorus as an integral part of the molecule. Included under this heading is broad array of synthetic compounds that are used as PESTICIDES and DRUGS.
Year introduced: 1972(1971)
Organic Chemicals
A broad class of substances containing carbon and its derivatives. Many of these chemicals will frequently contain hydrogen with or without oxygen, nitrogen, sulfur, phosphorus, and other elements. They exist in either carbon chain or carbon ring form.
Year introduced: 1998
Hydrocarbons
Organic compounds that primarily contain carbon and hydrogen atoms with the carbon atoms forming a linear or circular structure.