4-METHOXYCINNAMIC ACID CAS 943-89-5

1. Acts 4-METHOXYCINNAMIC ACID CAS 943-89-5 as a core intermediate for synthesizing cardiovascular drugs like esmolol by virtue of its methoxyphenylpropanoid structure for targeted molecular modification.

2. Serves 4-METHOXYCINNAMIC ACID as a UVB absorber precursor in cosmetics to formulate sunscreens and daily skincare products that protect skin from photoaging.

3. Functions as a building block in organic synthesis for producing light-stabilizing polymers and specialty esters with enhanced performance.

Store 4-methoxycinnamic acid (CAS 830-09-1, white crystalline solid, mp 170–175°C) in sealed amber glass containers at 15–25°C in a cool, dry, dark area. Isolate from strong oxidants, bases and reducing agents to prevent structural degradation. Wear nitrile gloves, safety goggles and lab coats during handling; avoid dust inhalation, skin/eye contact and ingestion to prevent mild to moderate irritation. Reseal tightly post-use; dispose of waste per local hazardous chemical regulations.

4-Methoxycinnamic acid is an industrial and pharmaceutical intermediate, not for direct human ingestion in pure form; unregulated intake may cause digestive discomfort and mucosal irritation.

In regulated applications, 4-METHOXYCINNAMIC ACID CAS 943-89-5 facilitates the development of life-saving cardiovascular medications, powers effective UV protection in cosmetic products, and supports the synthesis of high-performance functional materials for industrial use.