Molecule of the Week
This molecule was originally selected on May 10, 2004
Regarding this week’s selected substance:
Chitin is responsible for that crunch you
hear when you step on a cicada. This carbohydrate forms the naturally-occurring
polymers that make up the hard outer shells of insects, spiders, crabs,
and shrimp. Chitin extracted from crab and shrimp shells is compatible
with human tissue and can be used for medical dressings and grafts.
CAS, Chemical Abstracts Service, has a variety of electronic
products that deliver the most recent information, as well as earlier
research back to the beginning of the twentieth century.
SciFinder® was used to locate this record in the CAS REGISTRYSM database, the world's largest substance database, with over organic and inorganic substances and more than sequences.
Clicking on the Microscope icon provides details of the research articles of interest.
For more information on SciFinder or other CAS information products, go to the CAS Products page.
Return to chemistry.org