About the company

Macrocyclics, Inc., a manufacturer of customized chelating agents, is dedicated to leading-edge development of new chelation chemistry platforms critical for advancement of diagnostic and therapeutic medicine.

Macrocyclics’ partners


Providing tools and solutions in the field of nuclear medicine for site-specific bioconjugation, advanced chelating agent technology, and peptide intermediates. 

GMP Manufacturing

Macrocyclics introduced its cGMP manufacturing services in 2005. Our quality system is designed specifically for the manufacture of APIs to be used in clinical trials.


Our team provides comprehensive technical support for all catalog products.  We also offer custom synthesis, contract manufacturing, and project consultation tailored to specific needs.

What’s In Store?

At Macrocyclics, we listen to client requests and are excited to introduce new products in response to your ideas and suggestions.

c-220Featured product


Macrocyclics is proud to introduce DOTATATE, its first peptide conjugate. Read more here

Featured product

DOTAGA-tetra (t-Bu ester)

Macrocyclics is proud to introduce DOTAGA-tetra (t-Bu ester).
Read more here


News & Events

Stay informed on new technology, partnerships, collaborations, and events.


Nov 01, 2016

Macrocyclics produces cGMP peptide in support of NET clinical trial

Macrocyclics was contracted by Radiomedix and AREVA Med to produce the cGMP peptide conjugate that will b…

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Oct 27, 2016

SNMMI – Society of Nuclear Medicine and Molecular Imaging 2017

Please visit the Macrocyclics team at our booth between June 10 & June 14…

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Oct 15, 2016

EANM – European Association of Nuclear Medicine 2016 – October 15th-19th

Visit Macrocyclics at Booth #96

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Apr 13, 2016

Macrocyclics Inaugurates New Production Facility

AREVA Med has launched operations at its second high-purity lead-212 (²¹²Pb) production facility located…

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