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CHEMICAL ABSTRACTSChemical Abstracts is the premier abstracting service for the field of chemistry and related areas. This is a huge database with over 700,000 documents added each year. CA abstracts are summaries of scientific discoveries reported in the published literature. They are intended to help you decide whether the original document is of interest. If it is, you can use the bibliographic heading material as the route to retrieve the document.
Chemical Abstracts covers around 8,000 journals.
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CAS CHEMISTS CREATE ABSTRACTS FROM:
* journal articles (74%)* chemical and chemical engineering
patents (16%)
* conference proceedings (5%)* technical reports * dissertations * books
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EACH ABSTRACT CONTAINS:
• complete bibliographic references • patent references (details of what was
patented by whom and the country in which the patent was issued)
• commonly used chemical substance names or molecular formulas
• chemical structure images (when available)
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Many researchers unfamiliar with the content of the CAS databases assume that CA is strictly
"chemistry," and are astonished by the diversity of its coverage.
Agricultural Sciences Biology and Life Sciences
Engineering Sciences Food Sciences
General Chemistry Geological Sciences Material Sciences Medical Sciences
Physics Polymer Science
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AGRICULTURAL SCIENCESMore than 574,000 documents in the CAS
database focus on agricultural sciences.Animal nutrition
ImmunochemistryAgrochemical bioregulators
PesticidesPlant growth regulators
Essential oils and cosmeticsPharmaceuticals
Fertilizers, soils, plant nutrition
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BIOLOGY & LIFE SCIENCESMore than 21% of the document references in the
CAS database focus on biology and the life sciences.
Agriculture
Molecular biology
Food engineering & Biotechnology
Microbes, algae, and fungi
Fermentation
Bioindustrial methods
Animal science
Plant science
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ENGINEERING SCIENCESApproximately 35% of the CAS database focuses
on information of interest to engineers.Geological chemistry
Propellants and explosivesCoatings and inks
Plastics manufacturingNuclear technologyTextiles and fibers
Apparatus and plant equipmentWaste treatment and disposal
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FOOD SCIENCESNearly 700,000 document references in the CAS
database focus on food sciences.Plant biochemistry
Food and feed chemistryGeneral physical chemistryMicrobes, algae and fungi
Nonmammalian biochemistryNeutraceuticalsAnimal nutrition
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GENERAL CHEMICAL INFORMATION
All documents cited in the CAS database cover some aspect of chemistry.
Biomolecules and synthetic analogsGeneral organic chemistryBenzene and its derivativesOrganometallic compounds
Biochemical methodsAliphatic compounds
Heterocyclic compoundsElectrochemistry
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GEOLOGICAL SCIENCESNearly 760,000 documents in the CAS databases
focus on geological sciences.Geological chemistry and materials
Air pollutionNatural gas exploration, reservoirs
Fossil fuels, related productsMineralogical chemistry
Industrial hygieneNuclear technologyWater, groundwater
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MATERIALS SCIENCESApproximately 10% of document references in
the CAS databases focus on material sciences.
Nuclear technology
Ceramics
Extractive metallurgy
Plastics fabrication and uses
Ferrous metals and alloys
Nonferrous metals and alloys
Cement, concrete, and related building materials
Physical properties of synthetic high polymers
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MEDICAL SCIENCESApproximately 18% of all documents in the CAS
databases focus on the medical sciences.
Pharmaceutical Sciences
Physiological chemistry
Toxicology
Pathological biochemistry
Veterinary medicine
Nutrition
Immunochemistry
Radiation biochemistry
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MEDLINE• SciFinder Scholar also includes the
MEDLINE database.
• The MEDLINE database contains more than 12 million references to journal articles in the life sciences with a concentration on biomedicine.
• MEDLINE indexes more than 4300 journals.
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PHYSICSApproximately 23% of the CAS databases focus
on physics.
Surface chemistry and colloids
Electric phenomena
Mass spectroscopy
Crystallography and liquid crystals
Thermodynamics
Thermal properties
Nuclear phenomena
Magnetic phenomena
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POLYMER SCIENCEApproximately 15% of the document
references in the CAS databases focus on polymer science and technology.
PharmaceuticalsLeathers, fats, and waxes
Fossil fuels and derivativesPlastics manufacture and processing
Surface chemistry and colloidsSynthetic elastomers and natural rubberChemistry of synthetic high polymers
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FORMAT AND COVERAGE
Print: Chemical Abstracts
1907- to date
Electronic: SciFinder Scholar
1907- to date
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SCIFINDER SCHOLAR
• SciFinder Scholar is a desktop research tool designed especially for use by students and faculty to easily access the information in the Chemical Abstracts databases.
• Search by author name, research topic, substance identifier, chemical structure, or chemical reaction. (Sub-Structure searching ability is not available at U.C.)
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SCIFINDER SCHOLAR• You can search the entire CA file
electronically with SciFinder from 1907 to the present.
• There are 15 computers in the Chemistry/Biology Library with the SciFinder software loaded on it. It is available during normal Library hours.
• The system is very easy to use and requires no training.
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LICENSE AGREEMENT• We currently have a “three seat” license.
That means only three people at UC can use the database at the same time. If all sessions are in use you will get the following message.
• “SciFinder Scholar is unable to establish a session because all concurrent sessions on your campus are in use. Please try again later.”
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LICENSE AGEEMENT
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SEARCH OPTIONS
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SciFinder: Author Search
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SciFinder: Author Search
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SciFinder: Author Search
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SciFinder: Author Search
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SciFinder: Author Search(SELECT ALL VARIATIONS OF NAME)
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SciFinder: Author Search
ICONS
HITS
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Abstract/Full Text Icon
Abstract
Full Text
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ABSTRACT
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FULL TEXT ICON
SciFinder Scholar provides full text capability via the ChemPortSM Connection. If full-text is available for a selected patent or journal article, a Computer icon will be present. Not every citation links to full text.
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FULL TEXT
CLICK ON YOUR LIBRARY
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OLINKS
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ARTICLE FULL TEXT
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FULL TEXT
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SciFinder: Research Topic
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SciFinder: Research Topic
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SciFinder: Research Topic
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SciFinder: Research Topic By default, Explore by Research Topic
searches for terms in the title, abstract, and index fields in both MEDLINE and Chemical Abstracts.
SciFinder Scholar applies truncation automatically. SciFinder retrieved hits for ‘inhibitor’ as well as ‘inhibition’, ‘inhibiting’, ‘inhibit’, ‘inhibitors’, etc.
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SciFinder: Research Topic
Scifinder Scholar also searches synonyms because within SciFinder there is a very extensive synonym dictionary.
In this example, SciFinder also searched ‘human immunodeficiency virus’ and ‘HIV.’
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SciFinder: Research Topic
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REFINE REFERENCES (LIMIT)
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ANALYZE REFERENCES
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ANALYZE REFERENCES
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ANALYZE REFERENCES
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RELATED INFORMATION
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REFERENCES CITED IN DOCUMENT
Citations have been added to the database since 1999.
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SciFinder: Substance
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SciFinder: Substance
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SciFinder: Substance
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SciFinder: Substance
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SciFinder: Substance
LIMIT OPTIONS
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CAS Registry Number
Each CAS Registry Number (RN) is a unique numeric identifier that contain up to 9 digits, divided by hyphens into 3 parts. Each RN designates only one substance. It has no chemical significance and is a link to a wealth of information about a specific chemical substance. There are over 32,000,000 RNs. Searching by RN is very effective.
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CAS Registry Number
CAS Registry Numbers are systematic terms for substances and overcome all sorts of problems associated with nomenclature (e.g. different names for the same substance; substances which have very complex names only etc.). They are extremely important search terms for substances!
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Registry Number Searching
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Molecular Formula Searching
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Molecular Formula Searching
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Structure Searching
* We have the ability to do structure searching but not sub-structure searching.
* Can search by ACTUAL or EXACT structure only.
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STRUCTURE SEARCHING
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STRUCTURE SEARCHING
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STRUCTURE SEARCHING
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STRUCTURE SEARCHING
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MULTIPLE FIELD SEARCHING
To Search multiple fields use the REFINE
Feature.
Do your single field search first, then refine your search with additional search criteria.
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SciFinder: 2 Authors
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SciFinder: 2 Authors
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SciFinder: 2 Authors
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SciFinder: 2 Authors
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SciFinder: 2 Authors
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SciFinder: 2 Authors
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SciFinder: Topic & Author
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SciFinder: Topic & Author
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SciFinder: Topic & Author
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SciFinder: Topic & Author
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SciFinder: Topic & Author
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SciFinder: Topic & Author
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CHEMLIST
• Includes CAS Regulatory Information Database. (CHEMLIST)
• This is a database of regulated chemical substances from a number of national and international chemical inventories and regulatory lists.
• Essential for monitoring illegal substances and for keeping track of environmental issues relating to chemicals.
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CHEMLIST
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CHEMLIST
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CHEMCATS• Includes substances in chemical catalogs
from more than 600 suppliers and 700 catalogs. (CHEMCATS)
• 2.7 million records with chemical and trade names, company names and addresses, and supplier information.
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CHEMCATS
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CHEMCATS
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CASREACT
Includes 5 million organic reactions from journal articles since 1974. (CASREACT).
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CASREACT
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CASREACT
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SUMMARY• Easy to use• All types of chemistry• Back to 1907• Includes Medline• Search by author, topic, substance, structure• Variation of spelling of names, automatic
truncation, synonyms• Limit-Refine• Chemical catalogs, reactions, inventory lists