CAS 556-02-5: 3-(4-Hydroxyphenyl)-D-alanine

D-Tyrosine is synthesized from phenylalanine. It is also the precursor of epinephrine, thyroid hormones, and melanin. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

D-Tyrosine inhibits melanin production and biofilm formation, promoting biofilm dispersal without hindering bacterial growth.

D-Tyrosine

M02937 - H-D-Tyr-OH

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

D-Tyrosine is an amino acid that is synthesized from the essential amino acid phenylalanine. It has been shown to have antimicrobial properties in vitro, where it inhibits the growth of bacteria by causing the disruption of the bacterial cell membrane. D-Tyrosine has also been shown to be active against gram-positive and gram-negative bacteria, as well as fungi and yeast. The antimicrobial activity may be due to its ability to form hydrogen bonds with nitrogen atoms on the surface of these microorganisms. D-Tyrosine has also been shown to have antiinflammatory properties in vitro by inhibiting prostaglandin synthesis through inhibition of enzymes such as diphenolase activity or synthetase. D-Tyrosine is classified as a nonessential amino acid because it can be synthesized from other amino acids such as phenylalanine or leucine. It has been shown to have inhibitory effects on skin cells when applied topically, which could

Applications D-Tyrosine, the stereoisomer to L-Tyrosine (T899975), is an amino acid used in various organic syntheses for antibiotics. It is used in the synthesis of (-)-anisomycin, as well as BATSI (boronic acid transition state inhibitors) which act on β-lactamases. It has also been studied as an inhibitor of microbial growth on surfaces, reducing microbial attachment to hydrophillic glass and hydrophobic polypropylene surfaces. References Li, Ji. et al.: Chin. Chem. Lett., 23, 647 (2012); Xu, H. et al.: Water Res., 45, 5796 (2011); Ke, W. et al.: Antimicrob. Agents Chemother., 55, 174 (2011);