DL-Tryptophan CAS NO.73-22-3

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Tryptophan, also known as β - indolyl alanine, chemical formula C11H12N2O2, is one of the essential amino acids for human body. The appearance is white or yellowish crystal or crystalline powder, odorless, slightly bitter taste. It is slightly soluble in water, slightly soluble in ethanol, insoluble in chloroform, easily soluble in formic acid, and soluble in ... or dilute hydrochloric acid. Tryptophan is an important precursor of auxin biosynthesis in plants. Its structure is similar to that of IAA, and it is ubiquitous in higher plants. It is also the precursor of 5-hydroxytryptamine, an important neurotransmitter in human body

Baoding Faithful Industry Co., Ltd., founded in 2005, is located in the Baoding National High-tech Industrial Park, Hebei Province, which specializes in the R&D, production and sales of raw materials for health products, whose main products are sodium hyaluronate, collagen, pancreatin, pepsin, plant extracts etc and exported to more than 20 countries such as the Americas, Europe, Asia. Baoding Faithful Industry Co., Ltd. has developed from several people at the beginning of its establishment to the establishing of a perfect service system: quality control, sales, marketing, documentation, after-sales. Baoding Faithful Industry Co., Ltd. has passed the ISO9001 quality management system certification, feedback the vast number of new and old customers with higher quality products, more perfect, thoughtful service in the field of cosmetic raw materials, functional food raw materials, pharmaceutical raw materials and other fields.After years of development, Faithful has a high-level technical research and development team and a high-grade work team: business department including the marketing department, sales department, and integrated logistics department.