About Us

BroadPharm® is a leading customer-focused biotech company in San Diego, California.


We are dedicated to manufacturing and supplying high purity PEG linkers, Click chemistry reagents, drug delivery Lipids & advanced labeling reagents such as Dye Labeling & Biotin Labeling compounds to our clients worldwide.

In addition, we also offer IP-protected custom service & synthesis for our clients in the pharmaceutical and biotech industries. We provide timely technical support to address our client’s need & offer technical advice for the best use of our new products.

Founded in 2009, BroadPharm® takes our customer needs as our highest priority. We have over 8,000 high purity PEG linkers, click chemistry tools, nanoparticle delivery lipids in stock which can be shipped to our clients immediately.

PEG is an abbreviation for Polyethylene Glycol which consists of repeating ethylene oxide units. Unlike traditional PEGs, BroadPharm®’s discrete PEG products represent a specific, single chemical structure with high purity. Each product is synthesized and purified using BroadPharm®’s proprietary advanced technology and characterized by modern NMR and LC/MS.

BroadPharm®'s PEG products offer many advantages over traditional linkers such as increased water solubility, reduced aggregation and low immunogenicity. These PEG linkers have been widely used in bioconjugation, antibody-drug conjugates (ADCs) therapeutic, drug delivery and diagnostics field.

With our strong expertise in modern chemistry, innovative PEG & Lipid technology, and state-of-the-art equipment, BroadPharm® can help our customers to accelerate their research through cost-effective and efficient solutions.

A Message from the CEO


“BroadPharm supports a strong innovative culture to promote growth. It is our mission to provide the most valuable R&D products to empower your scientific research. We work diligently every day to make BroadPharm one of the most trusted suppliers in the world.”

Many thanks for your business.

BroadPharm, CEO, David Zhang, Ph. D.