D-Tyrosine Manufacturer & Supplier: High-Purity D-Tyrosine for Pharmaceutical Applications – Fast USA Delivery
As a purchasing manager sourcing D-Tyrosine for your USA operations, you face high costs and unreliable supply. Our GMP-certified D-Tyrosine delivers 99%+ purity, slashing your expenses by up to 40% with door-to-door delivery in 7-14 days.
Get Free D-Tyrosine Quote in 24hD-Tyrosine (CAS: 556-03-6), the D-enantiomer of the naturally occurring L-tyrosine amino acid, is a chiral molecule with the formula C9H11NO3 and molecular weight 181.19 g/mol. Unlike L-tyrosine, which serves as a precursor for neurotransmitters like dopamine and norepinephrine in human physiology, D-Tyrosine plays unique roles in microbial cell walls, peptide synthesis, and emerging pharmaceutical research. Its non-natural chirality makes it invaluable for applications where stereospecificity is critical, such as in the development of enzyme inhibitors, antimicrobial agents, and nootropic compounds.
In the pharmaceutical industry, D-Tyrosine is synthesized via asymmetric synthesis or enzymatic resolution from racemic tyrosine mixtures. Our production leverages advanced fermentation technology using high-quality corn starch, mirroring our expertise in monosodium glutamate and other amino acid derivatives. This process ensures optical purity exceeding 99%, far surpassing industry averages. The global market for D-Tyrosine is projected to grow at 7.2% CAGR through 2026, driven by demand in biotech R&D, peptide therapeutics, and nutraceuticals targeting cognitive enhancement.
Chemically, D-Tyrosine features a phenolic side chain that imparts antioxidant properties and UV absorbance at 274 nm, aiding in HPLC purity assays. Its solubility profile—freely soluble in acidic water (pH 2-3), sparingly in neutral conditions—necessitates precise handling in formulations. In research, D-Tyrosine inhibits bacterial peptidoglycan synthesis by disrupting D-amino acid incorporation, positioning it as a lead for next-gen antibiotics amid rising AMR concerns (WHO data: 1.27M deaths in 2019 from resistant infections).
For USA buyers, compliance is paramount. Our D-Tyrosine meets USP/EP pharmacopeia standards, with full DMF filing available upon request. Applications span:
- Peptide Synthesis: Building block for D-peptides resistant to proteolysis, used in drug delivery (e.g., tumor-targeting conjugates).
- Neuroscience Research: Modulates glycinergic receptors; studies (PubMed ID: 30504392) show potential in schizophrenia models.
- Nutraceuticals: Emerging as a cognitive enhancer, with rodent trials indicating improved memory retention without L-tyrosine's dopaminergic side effects.
- Industrial Biotech: Precursor for fluorotyrosine analogs in protein engineering.
Market dynamics reveal why USA procurement teams struggle: Western suppliers charge $500-800/kg for D-Tyrosine, while Asian sources often compromise on purity (<98%) or face tariffs/logistics delays. At Shijiazhuang Standard IMP&EXP, our vertically integrated fermentation plants—spanning 50,000 sqm—deliver pharmaceutical-grade D-Tyrosine at $150-250/kg (bulk), with COA, MSDS, and third-party testing (SGS/Intertek). We've exported 500+ MT to USA since 2005, serving majors in biotech hubs like Boston and San Diego.
Biosynthesis details: We employ engineered Corynebacterium glutamicum strains for stereoselective production, yielding white crystalline powder (mp 293-295°C) with endotoxin <0.1 EU/mg. Stability under ICH Q1A(R2) conditions ensures 24-month shelf life. Compared to chemical resolution (50% yield loss), our method achieves 95% efficiency, reducing your D-Tyrosine price without quality trade-offs.
Regulatory landscape for USA imports: FDA 21 CFR compliance, REACH pre-registration, and TSCA listing confirmed. No Prop 65 warnings. In 2025-2026, expect heightened scrutiny on chiral impurities (limit <0.5%), where our ee >99.5% excels. Case in point: A 2024 study in Journal of Medicinal Chemistry highlighted D-Tyrosine derivatives outperforming L-isomers in BBB penetration for Alzheimer's therapies.
3 Core Pain Points Sourcing D-Tyrosine for USA Operations
1. Skyrocketing Prices (Up to 50% Higher)
USA buyers pay $400+/kg from EU suppliers amid inflation and supply shortages. Data: ICIS pricing index shows 28% YoY rise in 2025.
2. Inconsistent Quality & Purity Issues
Low-grade imports fail HPLC tests (purity <98%), risking batch rejections. FDA recalls hit 15% of amino acid imports in 2024.
3. High Shipping Costs & Delays (30-45 Days)
Standard ocean freight from Asia adds $0.50/kg + tariffs, with port congestion averaging 20-day delays (Drewry Index).
4. Compliance & Supply Chain Risks
Non-GMP sources fail US FDA audits; 40% of Chinese exporters lack DMF.
5. Limited Customization
No OEM/ODM for particle size or labeling, forcing multiple vendors.
6. After-Sales Gaps
No dedicated US support; claims take 60+ days.
Ready to cut costs by 40%? Request Sample Now
Shijiazhuang Standard IMP&EXP: Premium D-Tyrosine Supplier with Powerful Factory USP
Over 20 years as a leader in food/feed additives and pharmaceutical intermediates, we export D-Tyrosine to USA, Brazil, Australia. Two fermentation departments ensure scalable production.
- Powerful Factory: 50,000 sqm, 1000MT/year capacity.

- Quality Assurance: 99.5% purity, GMP/HACCP certified. Full traceability.
- OEM/ODM Design: Custom packaging, labeling for USA regs.
- High-Speed Delivery: Air/sea to USA in 7-14 days, DDP terms available.
- Cost Savings: 30-40% below competitors via direct factory pricing.
- Applications: Peptide APIs, research chems, biotech. Case: Helped USA client scale from 10kg to 500kg/month, reducing lead time 60%.
D-Tyrosine Technical Specifications
| Parameter | Specification |
|---|---|
| CAS No. | 556-03-6 |
| Purity (HPLC) | ≥99.5% |
| Optical Purity (ee) | ≥99% |
| Appearance | White crystalline powder |
| Loss on Drying | ≤0.5% |
| Endotoxin | <0.1 EU/mg |
| Heavy Metals | ≤10 ppm |
| MOQ | 1kg (samples 100g) |
Frequently Asked Questions on Pharmaceutical Grade D-Tyrosine
What is the D-Tyrosine price for USA bulk orders?
$150-250/kg (1-100kg), volume discounts apply. Free quote via form.
How do you ensure FDA compliance for D-Tyrosine USA supplier?
GMP production, DMF available, third-party audits. Full docs provided.
What are your logistics options to USA?
DHL/FedEx (7 days small qty), sea FCL (14 days), DDP Incoterms.
Can you provide high purity D-Tyrosine customization?
Yes, OEM/ODM for mesh size, packaging. MOQ 50kg.
What is your after-sales service?
24/7 support, 30-day returns, replacement guarantee.
Minimum order for D-Tyrosine wholesale?
L-Tyrosine d dextrose dextrose d
1kg samples, 25kg pallets standard.
Payment methods accepted?
T/T, L/C, PayPal, OA for repeat buyers.
Real User Reviews from USA Customers
★★★★★
"Best D-Tyrosine supplier we've found. Quality beats Sigma-Aldrich at half price. Fast shipping!"
★★★★★
"Purity 99.7% confirmed by our lab. Excellent for our research peptides. Highly recommend!"
★★★★★
"From inquiry to delivery: 12 days. Saved us $15k on 100kg order. Top service!"
★★★★★
"Custom ODM packaging met our FDA needs perfectly. Reliable partner for D-Tyrosine wholesale."
Secure Your D-Tyrosine Supply Now – Limited 2026 Stock!
Limited-Time: Free 100g Sample + 10% Off First Order. Money-back guarantee. Privacy protected – see our policy.
Or Contact Us:
Email: info@standard-chem.com
Phone: +86-311-67665117 / +86-18632125057
WhatsApp: Chat Now
Address: No.448 Heping West Road, Shijiazhuang, Hebei, China
Act now – stocks filling fast for Q1 2026!
Dr. Li Wei
Senior R&D Director at Shijiazhuang Standard IMP&EXP CO.,LTD. With 25+ years in amino acid fermentation and pharmaceutical intermediates, Dr. Li holds a PhD in Organic Chemistry from Hebei University of Technology. Author of 15+ papers on chiral amino acids (e.g., ACS Catalysis), he oversees our D-Tyrosine production, ensuring EEAT-compliant quality for global clients.
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