L-Tyrosine with CAS 60-18-4
What is L-Tyrosine?
L-Tyrosine (CAS 60-18-4) is a naturally occurring, conditionally essential amino acid that the human body synthesizes from phenylalanine. As a direct precursor to dopamine, norepinephrine, epinephrine, and the thyroid hormones T3 and T4, L-Tyrosine plays a critical role in neurotransmitter synthesis, making it one of the most sought-after raw materials in the nutraceutical, pharmaceutical, and sports nutrition industries.
Appearing as a white to off-white crystalline powder with the molecular formula C₉H₁₁NO₃ and a molecular weight of 181.19, L-Tyrosine is sparingly soluble in water and practically insoluble in most organic solvents. Its stable zwitterionic structure at physiological pH makes it easy to handle, store, and formulate.
As a professional L-Tyrosine manufacturer in China, Runtai Chemical supplies pharmaceutical-grade and food-grade L-Tyrosine powder (CAS 60-18-4), competitive pricing, and reliable bulk supply capacity. We offer free samples, full COA/MSDS documentation, and flexible packaging (25kg/drum or customized) for global buyers. Contact us today for a quote on L-Tyrosine wholesale orders.
Product Advantages
- Free-Form Amino Acid: Rapidly absorbed and bioavailable for immediate neurotransmitter support — ideal for nootropic and pre-workout formulations
- Cognitive Performance: Clinically studied to support mental focus, alertness, memory, and executive function under stress
- Stress & Mood Support: Helps maintain a healthy cortisol response and supports emotional balance during high-pressure situations
- Athletic & Sports Nutrition: Widely used in pre-workout and endurance supplements to support focus and reduce fatigue during intense training
L-Tyrosine Quick details
- Chemical Name:L-Tyrosine
- CAS No.: 60-18-4
- EINECS: 200-460-4
- Molecular Formula: C9H11NO3
- Molecular weight: 181.19
- Appearance: White crystalline powder
- Assay: 98.5%-101.5%
- Synonyms:L-TYROSINE (13C9,D7,15N);L-TYROSINE (PHENOL-18O);3,3-D2);L-TYROSINE (RING-2,6-D2, 2-D);L-TYROSINE (USP/EP);L-TYROSINE BIOULTRA, >= 99.0% (NT);L-TYROSINE, REAGENT GRADE, >=98% (HP;(S)-3-(4-Hydroxyphenyl)alanine
L-Tyrosine Typical Properties
| Item | Specifications | Results |
| Appearance | White crystalline powder | Conform |
| Assay | 98.5%-101.5% | 99.9% |
| Specific rotation(α)D25 | -9.8º_ -11.2º(C=4,H2O) | -10.1º |
| Chloride | ≤400ppm | ＜400ppm |
| Sulfates | ≤400ppm | ＜400ppm |
| Iron | ≤30ppm | ＜10ppm |
| Lead | ＜3ppm | ＜3ppm |
| Cadmium | ＜1ppm | ＜1ppm |
| Mercury | ＜0.1ppm | ＜0.1ppm |
| Heavy metal | ≤15ppm | ＜15ppm |
| Arsenic | ≤1.5ppm | ＜1.5ppm |
| Loss on drying | ≤0.3% | 0.10% |
| Residue on ignition | ≤0.40% | 0.02% |
| Single impurity | ≤0.5% | ＜0.5% |
| Total impurities | ≤2.0% | ＜1% |
| Total plate count | ≤1000cfu/g | ＜1000cfu/g |
| Yeast&mould | ≤100cfu/g | ＜100cfu/g |
| Coliforms | In 25 g n.d. | Conforms |
| Salmonella | In 25 g n.d. | Conforms |
| Staphylococcus aureus | In 25 g n.d. | Conforms |
| Conclusion | The results conforms with USP39 standards | |
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L-Tyrosine Applications
- Pharmaceuticals: Used as an active pharmaceutical ingredient (API) and excipient in treatments for PKU (phenylketonuria), thyroid disorders, and neurological conditions
- Nutraceuticals & Dietary Supplements: A key raw material in nootropic stacks, cognitive performance capsules, stress-relief formulas, and mood-support supplements
- Food & Beverage Additive: Approved for use in functional beverages, protein-enriched foods, infant formula, and medical nutrition products
- Sports & Performance Nutrition: Incorporated into pre-workout powders and endurance supplements to support mental focus and catecholamine levels during exercise
L-Tyrosine Package & Storage
- Package: 25kg/drum
- Storage: Store in a cool place and keep it sealed to avoid direct sunlight.
FAQ
What is the MOQ for L-Tyrosine powder?
Our minimum order quantity is 25kg (one drum). Larger bulk orders receive tiered pricing discounts.
Can I get a free sample of L-Tyrosine before placing a bulk order?
Yes, we provide free samples for quality evaluation. Shipping costs may apply depending on destination.
What documents do you provide with each shipment?
Every order includes a Certificate of Analysis (COA), MSDS, and can include additional documents such as Halal/Kosher certificates upon request.
What is the difference between L-Tyrosine and L-Tyrosine HCl?
L-Tyrosine is the free-form amino acid, offering faster absorption, while L-Tyrosine HCl is the hydrochloride salt form, often used for different solubility requirements. Runtai Chemical supplies the free-form L-Tyrosine (CAS 60-18-4).
Where is Runtai Chemical’s L-Tyrosine manufactured?
Our L-Tyrosine is manufactured in Shandong, China, under strict quality control complying with USP/EP pharmacopoeia standards.
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