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CHEM 30COrganic Chemistry III: Reactivity, Synthesis, and Biomolecules

Chemistry and Biochemistry · 4 units · Undergraduate lower division (0-99)

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Third term of organic chemistry for Chemistry, Biochemistry, and engineering majors. Chemistry of enolates, enamines, dicarbonyl compounds, and amines. Molecular orbital theory and conjugated pi systems; UV/vis spectroscopy. Aromaticity and reactions of aromatic molecules. Heterocycles, pericyclic reactions, carbohydrates, and lipids.

P/NP or letter grading.

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Requisites

Official UCLA wording

Enforced requisite: course 30B with grade of C– or better.

BruinTree reads · Prerequisite

confidence 1.00 · from text
grade C- or better in
  • CHEM 30B

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Requires

Everything that has to come before this course, not just the courses named in the requisite above.

CHEM 30C

  • CHEM 30BOrganic Chemistry II: Reactivity, Synthesis, and Spectroscopy
    • CHEM 30AOrganic Chemistry I: Structure and Reactivity
      • CHEM 20BChemical Energetics and Change6 more beneath

1 direct requisite. Showing 3 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

CHEM 30C

  • CHEM 30CLOrganic Chemistry Laboratory II
    • CHEM 136Organic Structural Methodsanother path to it
    • CHEM C143AStructure and Mechanism in Organic Chemistryanother path to it
    • CHEM 144Practical and Theoretical Introductory Organic Synthesisanother path to it
    • CHEM C174Inorganic and Metalorganic Laboratory Methods
    • CHEM 184Chemical Instrumentation
    • CHEM C274Inorganic and Metalorganic Laboratory Methods
  • CHEM 136Organic Structural Methods
  • CHEM C138Natural Product Biosynthesis: Chemical Logic and Enzymatic Machinery
  • CHEM C140Bionanotechnology
  • CHEM C143AStructure and Mechanism in Organic Chemistry
    • CHEM C143BMechanism and Structure in Organic Chemistry
  • CHEM 144Practical and Theoretical Introductory Organic Synthesis
  • CHEM C145Theoretical and Computational Organic Chemistry
  • CHEM C240Bionanotechnology
  • CHEM C243AStructure and Mechanism in Organic Chemistry
    • CHEM 236Spectroscopic Methods of Organic Chemistry
    • CHEM 241ASpecial Topics in Organic Chemistry
    • CHEM 241BSpecial Topics in Organic Chemistry
    • CHEM 241DSpecial Topics in Organic Chemistry
    • CHEM 241FSpecial Topics in Organic Chemistry
    • CHEM C243BOrganic Chemistry: Mechanism and Structure
    • CHEM 244BStrategy and Design in Organic Synthesis
  • CHEM C245Theoretical and Computational Organic Chemistry

10 courses list this as a requisite. The whole downstream is here — 24 courses over 2 levels. Every course here opens its own tree.

  • Winter 2026
  • Spring 2026
  • Winter 2027
  • Spring 2027

Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.