Description

D-Tyrosine is the D-isomer of the essential amino acid tyrosine, a crucial building block in biochemistry and pharmaceutical synthesis. This enantiomerically pure compound is valued for its role in research and development, particularly in the study of enzyme specificity and metabolic pathways. It serves as a key chiral intermediate and reference standard for industries focused on advanced life sciences, including pharmaceutical development, biochemical research, and specialty nutrition.

Application

• Pharmaceutical Intermediate: Used in the research and synthesis of chiral drugs, peptides, and active pharmaceutical ingredients (APIs).
• Biochemical Research: Serves as a critical reagent and standard in enzymatic studies, metabolic pathway analysis, and neuroscience research.
• Nutritional Science: Employed in specialized dietary supplements and clinical nutrition products where specific isomer activity is required.
• Reference Standard: Acts as a high-purity analytical standard for quality control and method development in HPLC and other chromatographic assays.
• Cosmetic Ingredients: Utilized in the formulation of advanced skincare products targeting specific biological functions.

Basic Information

Product Name	D-Tyrosine
CAS No.	556-02-5
Molecular Formula	C9H11NO3
Molecular Weight	181.19 g/mol
Synonyms	(R)-2-Amino-3-(4-hydroxyphenyl)propanoic Acid; D-(-)-Tyrosine; (R)-Tyrosine; D-4-Hydroxyphenylalanine; D-Tyr; H-D-Tyr-OH; (2R)-2-Amino-3-(4-hydroxyphenyl)propanoic Acid
EINECS	209-112-6

Quality Control

Our D-Tyrosine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. The product is suitable for research and commercial applications requiring precise chiral purity. Certificates of Analysis (COA) documenting identity, purity, and enantiomeric excess are available for every batch upon request, supporting your regulatory and quality assurance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be kept under dry conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Enantiomeric Purity	≥ 99.0% (D-isomer)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Specific Rotation	-10.0° to -12.0° (c=5 in 1N HCl)

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.