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CHEM 30AOrganic Chemistry I: Structure and Reactivity

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

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First term of organic chemistry for Chemistry, Biochemistry, and engineering majors. Covalent bonding, shapes, stereochemistry, and acid/base properties of organic molecules. Properties, synthesis, and reactions of alkanes, cycloalkanes, alkenes, and alkynes. SN2, SN1, elimination, and radical reactions.

P/NP or letter grading.

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Requisites

Official UCLA wording

Enforced requisite: course 20B with grade of C– or better.

BruinTree reads · Prerequisite

confidence 1.00 · from text
grade C- or better in
  • CHEM 20B

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Requires

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

CHEM 30A

  • CHEM 20BChemical Energetics and Change
    • CHEM 14AGeneral Chemistry for Life Scientists I
      • LIFESCI 30AMathematics for Life Scientists
      • MATH 3ACalculus for Life Sciences Students
      • MATH 31ADifferential and Integral Calculusanother path to it
    • CHEM 14AEGeneral Chemistry for Life Scientists I—Enhanced
      • LIFESCI 30AMathematics for Life Scientistsanother path to it
      • MATH 3ACalculus for Life Sciences Studentsanother path to it
      • MATH 31ADifferential and Integral Calculusanother path to it
    • MATH 31ADifferential and Integral Calculus
      • MATH 1Precalculus
    • CHEM 20AChemical Structure
      • MATH 31ADifferential and Integral Calculusanother path to it
    • CHEM 20AHChemical Structure (Honors)
      • MATH 31ADifferential and Integral Calculusanother path to it
    • MATH 31BIntegration and Infinite Series
      • MATH 31ADifferential and Integral Calculusanother path to it

1 direct requisite. The whole upstream is here — 17 courses over 3 levels. Every course here opens its own tree.

Unlocks

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

CHEM 30A4 more beyond

  • CHEM 30ALGeneral Chemistry Laboratory II4 more beyond
    • CHEM 30BLOrganic Chemistry Laboratory Ianother path to it
    • CHEM 114Physical Chemistry Laboratory
    • ENV HLT 401Environmental Measurements1 more beyond
    • CHEM 114HPhysical Chemistry Laboratory (Honors)
    • CHEM 153LBiochemical Methods I5 more beyond
    • EE BIOL 148Biology of Marine Plants
    • CHEM C185Materials Chemistry Laboratory
  • CHEM 30BOrganic Chemistry II: Reactivity, Synthesis, and Spectroscopy6 more beyond
    • CHEM 30BLOrganic Chemistry Laboratory Ianother path to it
    • CHEM 30COrganic Chemistry III: Reactivity, Synthesis, and Biomolecules8 more beyond
    • EE BIOL 170Animal Environmental Physiology
    • CHEM 30CLOrganic Chemistry Laboratory IIanother path to it
    • CHEM 101Catalysis in Modern Drug Discovery
    • MCD BIO 165ABiology of Cells12 more beyond
    • CHEM 103Environmental Chemistryanother path to it
  • BIOENGR C104Physical Chemistry of Biomacromolecules
    • BIOENGR C107Polymer Chemistry for Bioengineers
  • CHEM 30BLOrganic Chemistry Laboratory I
    • CHEM 30CLOrganic Chemistry Laboratory II7 more beyond
    • CHEM 103Environmental Chemistry
    • EE BIOL 170Animal Environmental Physiologyanother path to it
  • CHEM C125Machine Learning and Applications in Chemistry
  • CH ENGR 45Biomolecular Engineering Fundamentals
    • C&S BIO M155Systems Biology: Intracellular Network Identification and Analysis
    • BIOENGR CM145Molecular Biotechnology for Engineers
    • CH ENGR C124Cell Material Interactions
    • CH ENGR CM145Molecular Biotechnology for Engineers2 more beyond
    • CH ENGR CM155Systems Biology: Intracellular Network Identification and Analysis
    • CH ENGR C224Cell Material Interactions
  • CHEM C138Natural Product Biosynthesis: Chemical Logic and Enzymatic Machinery
  • EE BIOL 150Principles of Genetics
    • EE BIOL C146Conservation Genomics
    • EE BIOL C246Conservation Genomics
  • LIFESCI 3HIntroduction to Molecular Biology (Honors)
  • MCD BIO M175ANeuroscience: From Molecules to Mind—Cellular and Systems Neuroscience
    • MCD BIO M175CNeuroscience: From Molecules to Mind—Behavioral and Cognitive Neuroscience
    • PHYSCI 173Anatomy and Physiology of Sense Organs
  • NEUROSC M101ANeuroscience: From Molecules to Mind—Cellular and Systems Neuroscience20 more beyond
    • PSYCTRY M180Neuropsychopharmacology
    • NEUROSC 101LNeuroscience Laboratory
    • NEUROSC M101CNeuroscience: From Molecules to Mind—Behavioral and Cognitive Neuroscience
    • NEUROSC M116ABehavioral Neuroscience Laboratory
    • NEUROSC M119LHuman Neuropsychology
    • NEUROSC M119NVisual Systemanother path to it
    • NEUROSC CM123Neurobiology of Sleepanother path to it
  • PHYSCI 111AFoundations in Physiological Science24 more beyond
    • NEURBIO M200FCellular Neurophysiology
    • NEURO M202Cellular Neurophysiology2 more beyond
    • NEUROSC M119NVisual System
    • PHYSCI 110How Cancer Co-Opts Normal Physiology
    • PSYCH M119NVisual System
    • NEUROSC CM123Neurobiology of Sleep
    • PHYSCI 111BFoundations in Physiological Science21 more beyond
  • PSYCH M117ANeuroscience: From Molecules to Mind—Cellular and Systems Neuroscience
    • PSYCH M117CNeuroscience: From Molecules to Mind—Behavioral and Cognitive Neuroscience6 more beyond
    • PSYCH M119LHuman Neuropsychology
  • BIOENGR C204Physical Chemistry of Biomacromolecules
    • BIOENGR C207Polymer Chemistry for Bioengineers
  • CH ENGR C112Polymer Processes

19 courses list this as a requisite. Showing 60 courses over 2 levels; the branches marked with a count carry on past it. Every course here opens its own tree.

  • Fall 2025
  • Spring 2026
  • Summer 2026
  • Fall 2026
  • Spring 2027

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