1C237 Category 1C

Radium-226 ( 226Ra), radium-226 alloys, radium-226 compounds, mixtures containing radium-226, manufactures thereof, and products or devices containing any of the foregoing.

Category 1: Special Materials and Related Equipment, Chemicals, “Microorganisms,” and “Toxins”

Reasons for control

NP: Nuclear nonproliferation
AT: Anti-terrorism

Country chart

Control	Column
AT applies to entire entry	AT 1
NP applies to entire entry	NP 1

List-based license exceptions

Exception	As stated in the entry
GBS	N/A
LVS	N/A

Items

ECCN Controls: This entry does not control the following:
a. Medical applicators;
b. A product or device containing less than 0.37 GBq (10 millicuries) of radium-226.
Items: The list of items controlled is contained in the ECCN heading.

Related controls

See ECCNs 1E001 (“development” and “production”) and 1E201 (“use”) for technology for items controlled by this entry.

Source: eCFR, version 2026-08-01, retrieved 2026-08-20T04:04:59+00:00.