Description

L-Tyrosine 98.5% is a high-purity, naturally occurring aromatic amino acid essential for protein biosynthesis. It serves as a critical biochemical precursor for the synthesis of key neurotransmitters and hormones, including dopamine, norepinephrine, and thyroid hormones. This premium-grade material is vital for manufacturers in the pharmaceutical, nutraceutical, and food & beverage industries seeking reliable, high-quality raw materials for their formulations.

Application

• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) for neurological and metabolic treatments.
• Dietary Supplements & Nutraceuticals: A key ingredient in mood-support, cognitive-enhancement, and thyroid-support formulations.
• Food & Beverage Fortification: Employed as a nutritional additive in functional foods, medical nutrition, and sports drinks.
• Biochemical Research & Cell Culture: Serves as a defined component in media formulations for microbiological and mammalian cell culture studies.
• Cosmetic & Personal Care: Incorporated into skincare products for its role as a precursor to melanin and its antioxidant properties.
• Animal Feed Additives: Used to enhance the amino acid profile in premium livestock and aquaculture feed.

Basic Information

Product Name	L-Tyrosine 98.5%
CAS No.	1164-16-6
Molecular Formula	C9H11NO3
Molecular Weight	181.19 g/mol
Synonyms	(S)-Tyrosine; L-(-)-Tyrosine; (2S)-2-Amino-3-(4-hydroxyphenyl)propanoic acid; Y; Tyr; 4-Hydroxy-L-phenylalanine; Para-Hydroxy-L-phenylalanine; L-β-(p-Hydroxyphenyl)alanine
EINECS	214-591-9

Quality Control

Our L-Tyrosine 98.5% is produced under a stringent quality management system. Each batch is tested to ensure it meets exacting specifications for identity, purity, and safety, referencing standards such as USP, EP, and FCC where applicable. A comprehensive Certificate of Analysis (COA) documenting all test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The product is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	98.5% min.
Specific Rotation [α]20/D	-11.3° to -12.3°
Loss on Drying	0.5% max.
Residue on Ignition (Sulfated Ash)	0.1% max.
Heavy Metals (as Pb)	10 ppm max.
Related Substances (HPLC)	Total impurities: 1.5% max.

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