Description

Dl-Tyrosine CAS NO 556-03-6 is a non-essential amino acid that serves as a critical biochemical intermediate. This racemic mixture of D- and L-tyrosine is valued for its role in the synthesis of various bioactive compounds and as a versatile building block in research and industrial processes. It is essential for manufacturers and R&D laboratories in the pharmaceutical, nutraceutical, and fine chemical sectors seeking a reliable, high-purity raw material.

Application

• Pharmaceutical Intermediates: Used as a key chiral precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Biochemical Research: Serves as a fundamental substrate in enzymatic studies, metabolic pathway analysis, and protein structure-function research.
• Nutraceutical & Dietary Supplements: Employed in the formulation of amino acid blends and specialized nutritional products.
• Fine Chemical Synthesis: Acts as a versatile starting material for producing specialty chemicals, peptides, and advanced organic compounds.
• Cosmetic & Personal Care: Incorporated into formulations for skin-conditioning agents and hair care products.
• Microbiological Media: Used as a nutrient component in culture media for the growth of specific microorganisms.

Basic Information

Product Name	Dl-Tyrosine
CAS No.	556-03-6
Molecular Formula	C9H11NO3
Molecular Weight	181.19 g/mol
Synonyms	DL-Tyrosine; (±)-Tyrosine; rac-Tyrosine; 2-Amino-3-(4-hydroxyphenyl)propanoic acid; H-DL-Tyr-OH; Tyrosine, DL-; para-Hydroxy-DL-phenylalanine; 4-Hydroxy-DL-phenylalanine
EINECS	209-112-6

Quality Control

Our Dl-Tyrosine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical and research applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and conformance to specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation and caking.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Optical Rotation	± 0.2° (c=4 in 1N HCl)
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 1.0%

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