Enter the Hexagon at Alpha Chi Sigma!

We are the Sigma Chapter of Alpha Chi Sigma at the University of California, Berkeley.

Alumni interested in getting involved? Join our alumni network!!

Recruitment is now closed and will reopen in Spring 26!

Congratulations to the Fall 2025 Pledge Class!

The Newly Inducted Brothers of Fall 2025

The 3 Objects of the Fraternity

To Bind:

its members with a tie of true and lasting friendship.

To Strive:

for the advancement of chemistry both as a science and as a profession.

To Strive:

for the advancement of chemistry both as a science and as a profession.

To Aid:

its members by every honorable means in the attainment of their ambitions as chemists throughout their mortal lives.