• CAS Databases Home
• CAplus (Scientific Literature and Patents)
• CAS REGISTRY (Chemical Substances)
• CASREACT (Reactions)
• CHEMCATS (Chemical Catalogs)
• CHEMLIST (Regulated Chemicals)
• MARPAT (Markush Structures)
• SciFinder Content at a Glance

Home   •   Our Expertise  •  CAS Databases  •  CAplus

CAplus^SM - worldwide coverage of many scientific disciplines all in one source

Benefit to you

• The only source of journal articles and patent documents in many scientific disciplines, including biomedical sciences, chemistry, engineering, materials science, agricultural science, and more
• English language summaries translated from the scientific literature published in more than 50 different languages from more than 185 different countries 

Core Journals in CAplus

Patent Coverage in Chemical Abstracts

Content

CAplus, produced by CAS, contains more than 29 million patent and journal article references in:

• All areas of biochemistry
  - agrochemical regulators
  - biochemical genetics
  - fermentation
  - immunochemistry
  - pharmacology
• All areas of organic chemistry
  - amino acids
  - biomolecules
  - carbohydrates
  - organometallic compounds
  - steroids
• All areas of macromolecular chemistry
  - cellulose, lignin, paper
  - coatings, inks
  - dyes, organic pigments
  - synthetic elastomers
  - textiles, fibers
• All areas of applied chemistry
  - air pollution
  - ceramics
  - essential oils, cosmetics
  - fossil fuels
  - ferrous metals, alloys
• All areas of physical, inorganic, analytical chemistry
  - surface chemistry
  - catalysts
  - phase equilibrium
  - nuclear phenomena
  - electrochemistry

See all 80 Sections of Chemical Abstracts^TM

Coverage

• 1907 to the present, plus more than 133,000 pre-1907 journal records (CAS Statistical Summary; CA Collective Index Periods)
• Patent (and patent family) references from 57 patent authorities around the world
• Article references from more than 10,000 major scientific journals worldwide (Coverage of English translation journals by CAS)
• Conference proceedings
• Technical reports
• Books
• Dissertations
• Reviews
• Meeting abstracts
• Electronic-only journals
• Web preprints
• Cover-to-cover coverage for more than 1,500 key chemical journals (since October 1994), including records for document types not covered in Chemical Abstracts (CA)
  - biographical items
  - books reviews
  - editorials
  - errata
  - letters to the editor
  - news announcements
  - product reviews
  - meeting abstracts

Update frequency

Patent references from 9 major issuing authorities available within 2 days from the time the patent was issued

CAS products

You can use the following CAS products to search the CAplus database:

• SciFinder or SciFinder Scholar
• STN
• Other products and services