【别名】：维甲酸、维生素A酸、维生素甲酸    CAS：302-79-4
【其他名】：全反式维A酸、维A甲酸，all-trans retinoic acid
【分子式】：C20H28O2
【分子量】：MW 300.44
【外观】:黄色或淡橙色结晶性粉末含量: 97.0--103.0%
【质量标准】: USP32
【类别】：抗皮肤角质化异常药、细胞诱导分化药
【储存条件】:遮光、密封保存
【化学名称】：(13E)-3,7-二甲基-9-(2,6,6-三甲基环己烯基)-2,4,6,8-壬四烯酸。
【分子式】：C20H28O2
【分子量】：300.4

维A酸对正常人黑色素细胞酪氨酸酶活性和黑色素成分都无影响。当皮肤发生生理性老化、或受药物、紫外线辐射及创伤伤害时，维A酸可纠正或预防有害因素对真皮结缔组织生化成分及形态结构引起的异常，刺激皮肤细胞外基质蛋白合成，在真皮上部加速形成新的结缔组织带，并可提高伤口部位的张力强度。维A酸对正常皮肤胶原合成无影响。此外，维A酸 对白细胞趋化有抑制活性，从而起到抗炎作用。

Company Profile：

HQCHEALTH ^®& HQCBEAUTY ^®， Affiliated to the multinational chemical group HQC Group. We specialize in the research and development, production, and import and export of natural plant extracts, high-purity monomers of plant functional ingredients, standardized extracts, and health products, cosmetics, raw materials, and medicinal products. We have three specialized production factories and one research institute, and set up sales points in Hangzhou, Shanghai, and Guangzhou. The factory is located in Sanyuan, Zhouzhi, Shaanxi Province and Changsha, Hunan Province. Now it has production workshops organized and built according to GMP standards, equipped with advanced vacuum drying equipment and spray drying equipment, as well as a number of advanced full set stainless steel plant extraction production lines and stainless steel pilot workshops. The production process is completely closed and production management is carried out in strict accordance with the SOP of each post. We have a group of high-quality and professional management personnel who strictly manage the production of traditional Chinese medicine in accordance with GMP standards. A sound production quality assurance system and comprehensive rules and regulations have enabled our product quality and technical indicator system to reach the international advanced level, thus meeting the needs of domestic and foreign markets. The company insists on; The purpose of quality, service, integrity, and development is to follow the principles of low-carbon and environmental protection. The brand has entered international markets such as Southeast Asia, South America, the Middle East, and Europe, providing important raw materials for the pharmaceutical, food, cosmetics, health products, and other manufacturing industries. It has won the trust of many customers at home and abroad, and has stable international customers in countries and regions such as the United States, Europe, Korea, Japan, South America, and Southeast Asia.

HQCHEALTH^®&HQCBEAUTY^® (plant extraction, production of

cosmetic raw materials and raw materials for functional healthcare products)

Website:www.sxhaiqiangchem.com

Raw materials for functional healthcare medicinal products:

E-mail：hqchealth@chinahaiqiangchem.com

Cosmetic raw materials：

E-mail：hqcbeauty@chinahaiqiangchem.com