### Question
Can you define what List I chemical means?


### Answer
**List I chemical** is defined as the following in *21 CFR § 1300.02*:

> a chemical specifically designated by the Administrator in § 1310.02(a) of this chapter that, in addition to legitimate uses, is used in manufacturing a controlled substance in violation of the Act and is important to the manufacture of a controlled substance.

#### Citation:
  - *21 CFR § 1300.02*
  - Heading: **Title 21-Food and Drugs > PART 1300—DEFINITIONS**

