To browse books in Chemistry, refer to the following Library of Congress Classification (LCC) subclasses. These codes mark the beginning of the call number on each book’s spine and help you locate materials on the shelves by subject.
| Subclass | Subject |
|---|---|
| QD1–999 | Chemistry (General) |
| QD1–65 | General (Including alchemy) |
| QD71–142 | Analytical chemistry |
| QD146–197 | Inorganic chemistry |
| QD241–441 | Organic chemistry |
| QD415–436 | Biochemistry |
| QD450–801 | Physical and theoretical chemistry |
| QD625–655 | Radiation chemistry |
| QD701–731 | Photochemistry |
| QD901–999 | Crystallography |