Organic Chemistry

A Comprehensive Set of Lectures for Two Semesters of Organic Chemistry | taught by Chad McAllister
  • 88 Texts
  • 1 PDF

Course Curriculum

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Chapter 1 Molecular Structure and Bonding
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Chapter 2 Acids and Bases
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Chapter 3 Nomenclature
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Chapter 6 Introduction to Reaction Mechanisms
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Chapter 22 Carbon-Carbon Coupling Reactions
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Course description

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Chad McAllister
Chad McAllister
Instructor Title

Reviews (48)


by Emyli Peralta
Phenomenal review course; he's amazing!!

Chiral/Achiral Molecules

by Khawla Abuaqel
After taking organic chemistry at my university and constantly being lost, I am now able to watch a few videos that will leave me with a clear understanding of these topics!

by Mia Lewis
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by Emyli Peralta
Phenomenal review course; he's amazing!!

Chiral/Achiral Molecules

by Khawla Abuaqel
After taking organic chemistry at my university and constantly being lost, I am now able to watch a few videos that will leave me with a clear understanding of these topics!

by Mia Lewis

loved it !

by ann d
super informative and attention-keeping

by ashley rollins

Thank you!

by Carrie Watson
GOD BLESS THIS MAN. Thank you for these videos.


by Annie Wampler
Very helpful and thorough review for me

Great Review

by minh ton
I love the personification of all the compounds. It's a great way to make O-chem fun and easy to remember. Don't worry about being a chem pervert. LOL. My organic chem professor used to call nucleophile, male and electrophile, female. I remembered that because I actually wrote it down on my note as such. LOL. In a way, I see the recurring themes in O-chem instructors. Please never stop doing it. Otherwise, it would be the most unbearably boring thing in the world.

by Leah Wu
Give this man a cookie

by Elma Rahman

by Julie Loewen

by Craig Craigory


by Gerald Williams
Chad breaks down the information so well that i am never confused. Thank You Chad!

by Englise Cardone

Great Teacher:)

by Lina Khalaf
One of the best Chem. videos out there and so easy to follow along!


by Emily van Rensburg
Thank you chad. You have made the impossible possible. I can now wrap my head around Ochem that I took 2 years ago. Thank you.

by Sydney Goldstein

by Bakr Jandali

by Sykes Thompson


by Sheld'onia Evans
Very informative and keeps the lessons interesting. Uses relatable topics to help explain the tougher subject areas. Highly recommend the course if you need help!

The course is awesome, but the new system not so much.

by AJ A
I like how the major topics have been subdivided. I'm taking Organic Chemistry right now and my class has a different set of topics (e.g., NMR Spectroscopy in week 2), so it helps to jump to one topic from another. However, my main gripe is about how the buffering is so slow. I noticed that the video is divided into tiny segments. This kind of loading system is problematic. My internet connection is 50 mbps (i.e., faster than your typical household speed in the US) and I'm already having issues.

by Nhi Pham

Organic Chemistry

by marsha owca
Amazing and concrete review and summaries of the major concepts.

by Jessica Walton

by Skyler Stephens

Organic Chemistry Made Easy?

by Connor Lynn
Chad - As a rising Junior taking Orgo I and II in an accelerated five week course, your information has proved invaluable. Thank you & best wishes. P.S. You should be teaching this course, and not just be a helping hand. You have come more recommended than any chemistry professor I have ever found. Best wishes.

Pretty gud

by sonny kim
Really gud Chad, As a university student especially at the "higher ranking" schools like mine, professors often forgot to fully explain certain things and jump right into unique cases and complicated examples. This course teaches you the meat and bones of the course that ultimately all the complicated cases refer to.

by calvin burkholder

Amazing Resource

by Junn Cho
Chad does an amazing job explaining all these difficult concepts that I struggled with and made them very easy to understand.

Chad's Videos Organic Chemistry

by Tanner Storbeck
They are very helpful. Chad is very easy to understand and learn from.


by Valentina Douangdara
Thank you Chad for your explanation of NMR spect. I now have a better understanding of it and I am feeling confident in my test on Monday.


by janice darko
It was really really good, I am in love with Chad :-) lol. I now understand chemistry because his explanation is straight to the point, and most importantly it's free, helping us the poor college students, God bless you.

by vaishnavi dusi

by Zachary Trammell

by Hanadi Abe

by Fatima Chahine

Organic Chemistry

by Braden Harris
This course is a lifesaver! Chad explains everything so well and makes it all so easy to understand. This is a great tool to use along with my organic chemistry course at my school. Chad has helped me receive the grades I wanted! Thanks Chad!

Highly recommended, one of the best resources for Organic Chemistry online!

by Myrna Coelho
Chad's videos helped me significantly improve my grade in Organic Chemistry. His videos are clear and thorough, and even interesting! Highly recommend it to anyone needing extra help understanding the material. Will be taking Chads Gen CHEM course to prepare for the DAT. Thank you so much for posting these videos, Chad, you are the best! You will be a part of my success if I make it to dental school :)

by Justin Azarian

Best source for Orgo.

by benas jakubauskas
I wish I knew about this when I was taking Organic Chemistry. Makes everything understandable and easy!

Best tutor ever!

by Zena Alsaraf
If it wasn't for you chad, I promise you i wouldn't not have 4.0 Organic chemistry or general chem. You are the man chad!! Thank you for helping out so much with organic chemistry. God bless!


by Ali Terrell
This course is amazing. I am taking the course at my school and do not have a great professor. This course is great supplemental material and is the reason Im doing so well in my class. I am so thankful that someone took the time to make these videos and post them for free. This course is a HUGE help. The videos are great at explaining things and making concepts more clear.

by Cynthia Alfonso

Great substitute for those who haven't taken Ochem for DAT

by patrick nguyen
Chad is a very knowledgable person who outclasses many chemistry professors I have had. He makes a difficult subject easier to understand by breaking things down to its simplest components.


by Sewon Yang
Really helpful free lectures.

Awesome OChem learning material.

by Youjia Ma
I heard about Chad from many many YouTubers and students who scored high on DAT, and they always say "Chad is the guy that saves my life". And I completely agree. I struggled with OChem when I took it at college, especially the chapter regarding Isomer and stereochemistry. I was super discouraged because my professor made the determination of chirality very confusing and difficult. I failed that chapter evidently. But Chad used his own simple, straightforward way to show that determination of chirality is really not that hard, and he avoids talking about ways that will make the determination more confusing. When I used his technique to redo exercises on my OChem textbook, I did not make any more mistakes. Thank you so much, Chad!! I will definitely recommend Chad's learning materials to anyone who needs help with chemistry.

Chapter 13.1

by Justin Reeb
The mass spectrometry video's audio is not correct. Overall the course is so far great.

by Armando Shehi