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Levodopa CAS :59-92-7
L-DOPA (Levodopa) is a high-purity dopamine precursor widely used in Parkinson’s disease research, neuroscience studies, and pharmaceutical development. Manufactured under strict quality standards, our L-DOPA offers reliable purity, stable supply, and comprehensive technical support for global research and biotech applications.
| Item | Specification |
|---|---|
| Product Name | Levodopa / L-DOPA |
| CAS No | 59-92-7 |
| Assay | 98.0% / 98.5% / 99.0% USP/EP Grade |
| Appearance | White Crystalline Powder |
| Industry Grade | Pharma Grade / Supplement Grade / Pet Feed Grade |
| MOQ | 1KG Sample / 25KG Bulk |
| Stock Status | In Stock, Fast Delivery |
| Lead Time | 3-7 Working Days |
| Certificates | COA, MSDS, SGS, ISO, GMP Report |
| Custom Service | Particle Size Custom / Private Label / Custom Packaging |
| Core Advantage | Enzymatic synthesis, low heavy metal, no plant impurity, high chiral purity |
| Main Application | Pharmaceutical API, Human Nootropic Supplement, Pet Neuro Health Raw Material |
Detailed Parameters
| Test Item | Standard Specification |
|---|---|
| Product Name | Levodopa, L-DOPA |
| CAS Number | 59-92-7 |
| Chemical Name | (S)-2-Amino-3-(3,4-dihydroxyphenyl)propanoic acid |
| Molecular Formula | C₉H₁₁NO₄ |
| Molecular Weight | 197.19 |
| Appearance | White or Off-white Crystalline Powder |
| Optical Rotation | -11.0° ~ -13.0° |
| Melting Point | 276°C – 278°C (Decompose) |
| Assay (HPLC) | ≥99.0% (USP/EP Grade) / ≥98.5% (Supplement Grade) / ≥98.0% (Pet Grade) |
| Loss on Drying | ≤0.5% |
| Residue on Ignition | ≤0.1% |
| Heavy Metals | ≤10ppm |
| Related Substances | Complies with USP/EP Limit |
| Solubility | Slightly soluble in water, insoluble in ethanol and chloroform |
| Shelf Life | 24 Months |
| Storage Condition | Sealed, Cool, Dry, and Dark Place (≤25°C) |
| Packaging | 1kg/Aluminum Foil Bag, 25kg/Fiber Drum |
FAQ
Q1: What is Levodopa (L-DOPA) used for?
Levodopa is a key dopamine precursor raw material widely used in multiple industries.
- Pharmaceutical API for Parkinson’s disease drug formulation
- Human brain health and nerve support dietary supplements
- Senior pet neurological health care products
It supports motor function improvement and nerve regulation by supplementing dopamine levels.
Q2: What grades of L-DOPA do you supply?
We provide three stable and standardized grades:
- USP/EP Pharmaceutical Grade: 99.0%
- Dietary Supplement Grade: 98.5%
- Pet Feed Grade: 98.0%
Each grade is designed to meet different production requirements including pharmaceutical formulation, human supplements, and pet health products.
Q3: Can I get free Levodopa samples for testing?
Yes, we support 1kg free sample for quality evaluation.
Customers only need to cover the freight cost. All samples include:
- Official COA (Certificate of Analysis)
- Full test reports
Q4: Are your Levodopa synthetic or plant extracted?
Our Levodopa is produced using advanced enzymatic asymmetric synthesis technology.
Compared with traditional plant extraction, synthetic L-DOPA offers:
- No impurity residue
- Higher chiral purity
- Lower heavy metal content
- Stronger batch-to-batch consistency
It is more suitable for pharmaceutical-grade and supplement manufacturing applications.
Q5: What documents can you provide for customs clearance and registration?
We provide a complete documentation package for compliance and import/export requirements:
- Batch COA (Certificate of Analysis)
- MSDS (Material Safety Data Sheet)
- SGS Third-party Test Report
- ISO9001 Certification
- GMP Workshop Qualification
- Factory audit documentation
Q6: What is your MOQ and delivery time?
- MOQ: 1kg for sample orders, 25kg for bulk orders
- Stock Status: Standard grades in stock
- Delivery Time: 3–7 working days
- Customized Orders: 15–20 working days
Q7: Do you support customization?
Yes, we support flexible customization based on customer requirements:
- Particle size customization (80 mesh / 100 mesh fine powder)
- Special packaging solutions
- Private label / OEM branding
- Customized technical specifications
Certificate
COA, MSDS, and GMP PDF files are available for download.
Ensure quality compliance for pharmaceutical, biotechnology, and cosmetic applications.
Levodopa (L-DOPA) CAS 59-92-7
Levodopa (L-DOPA) is a high-purity chiral amino acid and a critical dopamine precursor widely used in pharmaceutical APIs, dietary supplements, and functional pet nutrition.
We supply enzymatically synthesized L-DOPA with multi-grade specifications to support global pharmaceutical, nutraceutical, and pet health industries.
Reference: DrugBank DB01235
Product Overview
- CAS Number: 59-92-7
- Chemical Name: (S)-2-Amino-3-(3,4-dihydroxyphenyl)propanoic acid
- Molecular Formula: C₉H₁₁NO₄
- Molecular Weight: 197.19
- Purity Grades: 98% / 98.5% / ≥99% (USP/EP Available)
- Appearance: White or Off-white Crystalline Powder
- Manufacturing Process: Enzymatic Synthesis
Pharmaceutical Grade Levodopa (API)
Our USP-grade Levodopa (≥99% purity) complies with USP and EP pharmacopoeia standards.
It is designed for pharmaceutical formulations targeting Parkinson’s disease treatment.
Key Pharmaceutical Applications
- Parkinson’s disease drug formulations
- Combination therapy with Carbidopa or Benserazide
- Clinical CNS dopamine regulation support
Manufactured under GMP conditions with HPLC validation, ensuring batch-to-batch consistency, safety, and regulatory compliance for global markets.
Advanced Enzymatic Synthesis Technology
Unlike plant extraction methods, our enzymatic synthesis process ensures:
- Zero botanical residue contamination
- Ultra-low heavy metal content
- Stable chiral purity
- High batch consistency
This production method meets strict pharmaceutical-grade requirements and eliminates variability found in natural extraction processes.
Functional Nutrition & Nootropic Applications
Our 98.5% Levodopa grade is widely used in dietary supplement formulations focused on brain health and neurological support.
Common Applications
- Brain health capsules
- Cognitive performance supplements
- Nervous system support formulations
Suitable for supplement brands targeting mental focus, dopamine balance, and neurological wellness.
Pet Nutrition Applications
We supply feed-grade Levodopa (≥98%) optimized for senior pet neurological health.
- Supports mobility in aging pets
- Helps reduce tremors and nerve decline
- Improves overall neurological function
Designed for functional pet food manufacturers under international feed safety standards.
Factory-Direct Supply Advantages
- Direct manufacturer pricing (no intermediaries)
- Stable global supply chain
- Fast delivery (1–7 working days for stock items)
- Flexible MOQ: 1kg sample / 25kg+ bulk orders
Customization & Technical Support
- Particle size: 80 mesh / 100 mesh customization
- Private label packaging
- Technical specification adjustment
- Full regulatory documentation support
Documents provided: COA, MSDS, SGS reports, ISO9001 certification, GMP documentation.
Quality Assurance & Compliance
All Levodopa products are manufactured under full GMP conditions with advanced enzymatic asymmetric synthesis.
Each batch is tested via HPLC to ensure purity, stability, and compliance with international pharmaceutical standards.
Global Supply Available
Contact us for bulk pricing, technical specifications, and sample orders of Levodopa (L-DOPA) CAS 59-92-7.






