Tresco Labs GmbH develops novel strategies for natural product synthesis and derivatization. We develop specialty chemicals and synthetic methods for the regulatory-compliant addition of value to your portfolio. 

We offer peerless chemistry applied to cannabinoid synthesis.


Our Story 

Tresco Labs, GmbH was founded by Prof. Dr. Thomas Ziegler, Director of the Institute of Organic Chemistry at University of Tuebingen, Germany and Eric Cosky, an American chemist and entreprener with experience in controlled substances and regulatory compliance.,0,0,0      ,0,0,0

Eric Cosky                              Thomas Ziegler



Our Laboratory

Our laboratory in historic Industriepark Hoechst, Frankfurt am Main, Germany, one of the largest chemical and pharmaceutical parks in Europe, is a state-of-the-art facility formerly operated by Sanofi-Aventis. Here, we develop and manufacture specialty chemicals for facilitating the addition of value to our client's product portfolios. 


Industriepark Hoechst:

Our Products/Services


Tresconizer and CBD conversion chemistry 

18 months in the making, Tresconizer enables the biomimetic cyclization of CBD to delta-9 THC in >99% purity with quantitative yield; a first for the field. 

Other products include:

-   Catalysts for CBD to delta-8 conversion 

-   Chemical derivatizations which solubilize cannabinoids 

-    Catalysts for selectively oxidizing delta-9 THC to CBN 

-    Customized derivatizations for regulatory compliant transportation of cannabinoids 

-    Performance chemicals for cost-effective high purity cannabinoids isolation

-    Custom synthesis based on client’s applications 

Our Achievements

-    SiOx solid-supported catalysts for CBD conversion chemistry 

-    Pro-cannabinoids water solubilization for acidic and basic pH-range formulations 

-    Tresconizer for high purity CBD to THC conversion 

-    CBN, HHC

-    Synthesis of CBDA, CBDA methyl ester and countless CBD derivatives 


For any enquiries, please contact at:

Tel:        +49(0)171-940-1971

Tresco Labs, GmbH
Industriepark Hoechst G837

65929 Frankfurt am Main, Germany

Amtsgericht Frankfurt HRB 121461
VAT ID: DE333808735



Legal Notice


Tresco Labs GmbH
CEO: Eric S. Cosky

Industriepark Höchst Geb. 837
65929 Frankfurt am Main

Phone: +49 (0) 171 940 1971

Trade Register: Amtsgericht Frankfurt am Main
Register Number: HRB 121461

VAT Tax Number: DE 333808735

IHK Frankfurt: 10001435994

Transparancy Register Number: 7700243803

 Editorial Responsibility: Tresco Labs GmbH

 Out-of-court online dispute resolution

The European Commission provides a platform for out-of-court online dispute resolution. at

Information according to § 36 Consumer Dispute Settlement Act

Tresco Labs GmbH is neither willing nor obliged to participate in a dispute settlement procedure before a consumer arbitration board.

Data processing

Tresco Labs GmbH processes personal data exclusively within the framework of the legal provisions (General Data Protection Regulation-DSGVO).

Disclosure of Data to Third Parties

Unless expressly stated below your data will not be passed on to third parties or other recipients. We also only pass on your personal data to third parties if:

you have given your express consent in accordance with Article 6 Paragraph 1 Sentence 1 DSGVO;

the transfer according to Article 6 paragraph 1 DSGVO is necessary to assert, exercise or defend legal claims and there is no reason to assume that you have an overriding legitimate interest in not disclosing your data;

in the event that there is a legal obligation for the transfer according to Art. 6 Paragraph 1 DSGVO;

this is legally permissible and required for the processing of contractual relationships with you according to Art. 6 Paragraph 1 DSGVO.

Storage duration

The data processed by us will be deleted or their processing restricted in accordance with Articles 17 and 18 DSGVO.

Unless expressly stated in this data protection declaration, the data stored by us will be deleted as soon as you revoke any consent or if the data is no longer required for its intended purpose and the deletion does not conflict with legitimate interests or statutory storage requirements.

If the data is not deleted because it is required for other and legally permissible purposes, its processing will be restricted. This means that the data will be blocked and not processed for other purposes. This applies, for example, to user data that must be retained for commercial or tax reasons.

According to legal requirements, the storage takes place for 6 years according to § 257 paragraph 1 HGB (e.g. commercial letters, accounting documents, etc.) and for 10 years according to § 147 paragraph 1 AO (e.g. commercial and business letters, tax-relevant documents).