Pyridoxine hydrochloride (Vitamin B6) is a white crystalline powder with high solubility in water. As a vital water-soluble vitamin, it plays a critical role in numerous biological functions, serving as a precursor for the coenzyme pyridoxal phosphate, which is integral to the metabolism of proteins, carbohydrates, and lipids. Pyridoxine hydrochloride is frequently used in various research and industrial applications, including biochemical assays, pharmaceutical formulations, and nutritional studies. It is widely recognized for its involvement in supporting neurotransmitter synthesis, hemoglobin formation, and immune system function.