# 2026-19538: DEA OKs Mass THC Production for Isotope Lab Testing Needs

2026-19538, Bulk Manufacturer of Controlled Substances Application: Cambridge Isotope Laboratories, Inc., is a Federal Register notice from Justice Department, Drug Enforcement Administration published 2026-09-24, effective Registered bulk manufacturers of the affected basic class(es), and applicants, therefore, may submit electronic comments on or objections to the issuance of the proposed registration on or before December 23, 2026. Such persons may also file a written request for a hearing on the application on or before November 23, 2026.; PRIA reads it as touching household money (as of 2026-10-01).

- Canonical: https://policyrisk.com/federal-register/2026-19538
- As of: 2026-10-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Document number: 2026-19538
- Title: Bulk Manufacturer of Controlled Substances Application: Cambridge Isotope Laboratories, Inc.
- Type: Notice
- Agencies: Justice Department; Drug Enforcement Administration
- Citation: 91 FR 60655
- Published: 2026-09-24
- Effective: Registered bulk manufacturers of the affected basic class(es), and applicants, therefore, may submit electronic comments on or objections to the issuance of the proposed registration on or before December 23, 2026. Such persons may also file a written request for a hearing on the application on or before November 23, 2026.
- Comments close: 2026-12-23
- Significant: no
- Touches household money: yes
- Regulation identifier numbers: none
- Last updated: 2026-10-01

## In one line

DEA OKs Mass THC Production for Isotope Lab Testing Needs

## Summary

Cambridge Isotope Laboratories wants to make a lot of a special drug called Tetrahydrocannabinols for testing purposes. People who already make or use this drug can share their thoughts by December 23, 2026, and ask for a hearing by November 23, 2026. This move could help scientists get better testing materials without changing how the drug is used.

## Abstract

Cambridge Isotope Laboratories, Inc. has applied to be registered as a bulk manufacturer of basic class(es) of controlled substance(s). Refer to Supplementary Information listed below for further drug information.

## Effects PRIA read

- Applicant to Make THC Analytical Standards: benefit, low. On August 19, 2026, Cambridge Isotope Laboratories applied to be registered to bulk manufacture Tetrahydro-cannabinols (drug code 7370), a Schedule I controlled substance. The company plans to synthetically bulk manufacture the substance to produce analytical standards for distribution to its custo…
- Registration Limited to Analytical Standards Only: cost, low. The notice states that no other activity for drug code 7370 is authorized for this registration. If granted, the registration would authorize only the synthetic bulk manufacture of Tetrahydro-cannabinols to produce analytical standards for distribution to customers.

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## Sources
- [2026-19538 on federalregister.gov](https://www.federalregister.gov/documents/2026/09/24/2026-19538/bulk-manufacturer-of-controlled-substances-application-cambridge-isotope-laboratories-inc)
- [2026-19538 as published (PDF)](https://www.govinfo.gov/content/pkg/FR-2026-09-24/pdf/2026-19538.pdf)

## Related
- [Previous: 2026-19536, Agency Information Collection Activities; Submission to the Office of Managemen…](https://policyrisk.com/federal-register/2026-19536)
- [Next: 2026-19539, Importer of Controlled Substances Application: Cambridge Isotope Laboratories,…](https://policyrisk.com/federal-register/2026-19539)
- [All Federal Register documents](https://policyrisk.com/federal-register)

Source: PRIA, https://policyrisk.com/federal-register/2026-19538 (as of 2026-10-01).