Yohimbine, identified by its CAS number 146-48-5, is a well-characterized natural alkaloid with a distinct chemical structure and physical properties. Understanding these attributes is fundamental for its appropriate use in research, pharmaceutical development, and various industrial applications. Derived from the bark of the Pausinystalia yohimbe tree, this compound has a rich history and a significant place in the world of natural product chemistry.

Physically, Yohimbine typically presents as a beige solid powder. Its molecular formula is C21H26N2O3, with a molecular weight of approximately 354.44 g/mol. The compound exhibits solubility in various organic solvents such as ethanol, chloroform, and hot benzene, while showing limited solubility in water. This solubility profile is an important consideration when preparing solutions for experimental or formulation purposes.

Chemically, Yohimbine is an indole alkaloid, belonging to a class of compounds known for their complex structures and diverse biological activities. Its primary pharmacological action is as an alpha-2 adrenergic receptor antagonist, a property that underpins many of its therapeutic effects. The purity of yohimbine is a critical parameter, often specified at 98% or higher, particularly for pharmaceutical applications and scientific research. Suppliers providing 'yohimbine raw powder' typically offer detailed specifications regarding purity and analysis methods like HPLC.

The stability of Yohimbine is also an important factor. It is generally stored under cool, dry conditions to maintain its integrity. For researchers and manufacturers, sourcing from reliable suppliers who guarantee the quality and consistency of their yohimbine is paramount. This ensures that the compound performs as expected in its intended applications, whether as a pharmaceutical intermediate, a research chemical, or an ingredient in health products.