A harmonized global specification is possible providing that the procedures and acceptance criteria defined are acceptable to regulatory authorities in all regions. A substance is any matter that may ...

Every country has a published controlled substance list, but the named substances are only common examples. The list also covers analogs and defined chemical space around these substances, which ...

Carcinogens, reproductive toxins, and chemicals with high acute toxicity are high-risk materials and are classified by OSHA as “Particularly Hazardous Substances.” In addition to chemicals classified ...

Pure and Mixed Substances: In the world of chemistry, substances are broadly classified into two fundamental categories: pure and mixed substances. Understanding these distinctions is crucial as they ...

Understanding the differences between physical and chemical changes is the basics in the study of chemistry. These two types of transformations describe how substances can change in terms of their ...

A copy of each specified type of health and safety study which is in their possession at the time the chemical substance is listed; A list of the specified types of health and safety studies known to ...

Johanna Berneron does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

In Part I of a three-part article, the authors discuss what constitutes an impurity and the potential sources of impurities in APIs and finished drug products. To ensure the quality of APIs and ...