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				It is a component of NIH's Molecular Libraries Roadmap Initiative. ... PubChem is organized as three linked databases within the NCBI's Entrez ...			 
				
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					*New! Structure/Property Search | Search Help ...				 
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					First course and tutorial in chemistry designed to work with any high school or college basic chemistry course.				 
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					Comprehensive online encyclopedias of astronomy, math, physics, scientific biographies, and scientific books, with many equations and formulas.				 
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					Index of computer and information science papers, publications, and research.				 
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					Annotated collection of sites for the professional organic chemist.				 
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					Publishers of abstracts and indexes to scientific research literature.				 
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 an example search result
			an example search result