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Home > Pharmaceutical Intermediates > Bulk Drug Intermediates > DOPA for Sale > Factory Direct Supply High Quality 99% Purity Levodopa 59-92-7 with best good
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Factory Direct Supply High Quality 99% Purity Levodopa 59-92-7 with best good

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Unit Price: Get Latest Price
CAS No.:

59-92-7

Grade:

Top Product

Content:

99%

Port:

qingdao

Brand:

First Chems Co., LTD

Packaging:

,10g,50g or according to customer's detail requirement.

Price valid (until):

2026-04-16

Company Type:
Trader
Location:
China
Qualification:
Main Products:

Titanium dioxide,npk,pvc,sles,labsa,mdi

  • Product Description

  • Seller Information

  • Inquiry History

  • Description


      Product Detail  




    Product Description

     


    Shop Hot Selling Veterinary Medicine Animal Drug Material Thiamphenicol Powder Thiamphenicol 15318-45-3-Detailed Image 1

    What is L-dopa 98%?
    This extract is derived form the seed of Mucuna pruriens, The seeds due to the presence of L-DOPA a neurotransmitter precursor is in great demand. 
     
    L-dopa is an amino acid with a large number of health benefits, primarily known for it's conversion into dopamine. Dopamine is an essential component of our body and it's required for proper functioning of the brain. 
     
    Mucuna Pruriens gives us an natural source of L-Dopa. Because the L-Dopa is extracted from a natural plant source, our body actually absorbs and utilizes a higher percentage.
     
    Mucuna Pruriens also call dog claw bean, the seed of Stizolobium cochinchin ensis (Lour). Tang et Wang. Seed capsule is black or off-white. This species plant is abundantly grows in tropic and sub-tropic area in China, Guangxi also have widely growth. Mucuna Pruriens Extract's main effective ingredient is levodopa. Levodopa is mainly use in treatment of parkinsonism, liver stupor, fracture, neuralgia etc.


    Name Levodopa
    CAS NO. 59-92-7
    purity 99%
    Standard packing material Bag/Box
    Appearance white powder
    Shelf Life  2Years
    storage condition and solubility Inert atmosphere,-20°C; 4g/L at 25℃;Sealed in dry,Store in freezer






    Function :

    Levodopa, also known as L-DOPA (CAS 59-92-7), is a medication used to treat the symptoms of Parkinson's disease. It is an amino acid that is converted into dopamine in the brain. Dopamine is a neurotransmitter that helps to regulate movement, mood, and other functions in the brain.

    The primary function of levodopa is to increase dopamine levels in the brain. This helps to alleviate the symptoms of Parkinson's disease, which is caused by a deficiency of dopamine in the brain. Parkinson's disease symptoms include tremors, stiffness, and difficulty with movement and coordination.

    Levodopa is typically administered in combination with a peripheral decarboxylase inhibitor (PDI) such as carbidopa or benserazide. These PDIs prevent levodopa from being broken down in the bloodstream, which allows more of it to reach the brain. This combination is known as carbidopa/levodopa or benserazide/levodopa.

    Levodopa is one of the most effective medications for treating Parkinson's disease, and it can improve quality of life for many patients. However, it is not a cure for the disease and may have side effects such as nausea, dizziness, and dyskinesias (involuntary movements).


    1. Treatment of Parkinson's disease: L-Dopa significantly alleviates motor symptoms, such as tremors, muscle rigidity, and bradykinesia, by increasing dopamine levels in the brain.

    2. Improvement of motor function: L-Dopa helps patients regain more normal motor abilities, making daily activities smoother and more independent.

    3. Relief of Parkinson 's-related symptoms: L-Dopa can also help reduce some non-motor symptoms of Parkinson's disease, such as depression, anxiety, and sleep disorders, thereby improving the overall quality of life for patients.



     

     

     

     

     

      Our Advantages  

     


    1.High quality and competitive price.
    2.Free sample for your evaluation.
    3.Promptly delivery by well-reputed shipping lines.
    4.Trial order is available for testing after samples.
    5.We will inform you all the information at every stage in advance.
    6.Packaging can gear to buyers' special request. 

     Shipping Advise 1. By Express 

    ------Suitable for under 50kg, Fast:3-7 days.

    High cost; Door to door service. Easy to pick up the goods.

    2. By Air 

    ------Suitable for more than 50 kg, Fast:3-7 days,

    High cost, airport to airport. professional broker needed.

    3. By sea

    ------Suitable for more than 500kg. Slow: 5-45 days,

    Low cost. Port to Port, professional broker needed.



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                                                                                                                Service

    1. Any inquiries will be replied within 24 hours.

    2. Dedication to quality, supply & service.

    3. Strictly on selecting raw materials.

    4. OEM/ODM Available.

    5. Reasonable & competitive price, fast lead time.

    6. Sample is available for your evaluation & formulation development.

     

     

     

     Our factory   

     


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      How to order  

     



    Before ordering

    Please send what items and what quantity you need
    Send quotation We will send you a quotation in detail with total
    Payment ways chosen Please choose one of the payment way you preferred.
    Our payment ways: City bank,BTC,Bank wire, Wise,Master Card , Tether
    After payment Please offer shipping address after payment for shipment.
    Tracking We will provide the tracking after goods sent.
    Lead time About 1-5 working days after payment
    Shipping time About 8-15 days door to door
    After-sale service Available always

     


    Certificates
    • Factory Direct Supply High Quality 99% Purity Levodopa 59-92-7  with best good Certificates 1

    Basic Info
    Product Name:

    DOPA

    Other Name:

    L-Tyrosine,3-hydroxy-;Alanine,3-(3,4-dihydroxyphenyl)-,L-;3-Hydroxy-L-tyrosine;DA;(-)-3,4-Dihydroxyphenylalanine;Levodopa;L-3,4-Dihydroxyphenylalanine;3,4-Dihydroxy-L-phenylalanine;L-DOPA;DOPA;L-β-(3,4-Dihydroxyphenyl)-α-alanine;L-(-)-Dopa;β-(3,4-Dihydroxyphenyl)-α-L-alanine;(-)-Dopa;3-(3,4-Dihydroxyphenyl)-L-alanine;β-(3,4-Dihydroxyphenyl)alanine;β-(3,4-Dihydroxyphenyl)-L-alanine;Dihydroxy-L-phenylalanine;Dopar;Levopa;Eldopal;Pardopa;Helfo-dopa;Insulamina;Larodopa;Dopalina;Dopaston;Dopaflex;3,4-Dihydroxyphenylalanine;3,4-Dihydroxyphenyl-L-alanine;L-3-(3,4-Dihydroxyphenyl)alanine;Dopaston SE;L-4,5-Dihydroxyphenylalanine;Dopicar;Dopastone;Dopal;Doparkine;Eurodopa;Dopaidan;Eldopatec;Parda;Eldopar;Dopasol;Laradopa;Weldopa;Doparl;Dopastral;Veldopa;Doprin;Ledopa;Deadopa;Maipedopa;Bendopa;Cidandopa;(2S)-2-Amino-3-(3,4-dihydroxyphenyl)propanoic acid;Syndopa;Alphadopa;Dihydroxyphenylalanine;(S)-3,4-Dihydroxyphenylalanine;3-Hydroxytyrosine;Brocadopa;(2S)-2-Amino-3-(3,4-dihydroxyphenyl)propanoic acid;Inbrija;23734-74-9;25525-15-9;34241-25-3;72572-99-7;72573-00-3;88250-23-1;90638-38-3

    CAS No.:

    59-92-7

    Molecular Formula:

    C9H11NO4

    InChIKeys:

    InChIKey=WTDRDQBEARUVNC-LURJTMIESA-N

    Molecular Weight:

    197.18800

    Exact Mass:

    197.19

    EC Number:

    200-445-2

    UNII:

    46627O600J

    NSC Number:

    759573|118381

    DSSTox ID:

    DTXSID9023209

    NCI Thesaurus Code:

    C611

    Color/Form:

    Colorless to white crystals or crystalline powder; needles from water

    ATC Code:

    N04BA01|N04BA03|N04BA02|N - Nervous system

    HScode:

    2932999099

    Characteristics
    PSA:

    103.78000

    XLogP3:

    0.75250

    Appearance:

    Solid

    Density:

    1.51 g/cm3

    Melting Point:

    284-286 °C

    Boiling Point:

    448.4±45.0 °C at 760 mmHg

    Flash Point:

    225.0±28.7 °C

    Refractive Index:

    -12 ° (C=5, 1mol/L HCl)

    Water Solubility:

    Slightly soluble in water, dilute hydrochloric acid and formic acid. Insoluble in ethanol.

    Storage Conditions:

    2-8°C

    Toxicity:

    LD50 in mice (mg/kg): 3650 ±327 orally, 1140 ±66 i.p., 450 ±42 i.v., >400 s.c.; in male, female rats (mg/kg): >3000, >3000 orally; 624, 663 i.p.; >1500, >1500 s.c. (Clark)

    Specific rotation:

    Specific optical rotation: -13.1 deg @ 13 °C/D (c= 5.12 in 1 N HCl); max absorption (0.001 N HCl): 220.5 nm (log e= 3.79); 280 nm (log e= 3.42)

    Odor:

    Odorless

    Taste:

    Tasteless

    Dissociation Constants:

    pKa = 2.32

    Collision Cross Section:

    148.7 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|138.21 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|144.27 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|149.4 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|147.5 Ų [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|140.6 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|141.2 Ų [M+Na-2H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|145.4 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]|141.6 Ų [M-2H+Na]-

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 4, Oral

    Skin irritation, Category 2

    Specific target organ toxicity – single exposure, Category 3

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H302 Harmful if swallowed

    H315 Causes skin irritation

    H319 Causes serious eye irritation

    H335 May cause respiratory irritation

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

    P270 Do not eat, drink or smoke when using this product.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

    P271 Use only outdoors or in a well-ventilated area.

    Response

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

    P302+P352 IF ON SKIN: Wash with plenty of water/...

    P321 Specific treatment (see ... on this label).

    P332+P317 If skin irritation occurs: Get medical help.

    P362+P364 Take off contaminated clothing and wash it before reuse.

    P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing.

    P319 Get medical help if you feel unwell.

    Storage

    P403+P233 Store in a well-ventilated place. Keep container tightly closed.

    P405 Store locked up.

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Titanium dioxide,npk,pvc,sles,labsa,mdi

    Location:

    37 Keji Road, Yanta District, Xi 'an City, Shaanxi Province

    Payment Terms:

    TT against copy of documents,L/C,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    15

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    Less than 5

    Year of Establishment:

    2020

    COMPANY OVERVIEW

    First Chems Co., LTD,a joint-stock enterprise with production, export and services of chemicals, has widely adopted world-advanced equipments and management system, and our products quality is assured under the ISO9001 and ISO14001 standards, mainly specializes in developing Agriculture/Fertilizer chemicals series, Washing detergent chemicals series, Soda alkali chemicals series, Water treatment chemical series, etc.

    Our main products include:

    a. Agriculture/Feed chemicals series : Zinc Sulphate, Manganese sulfate etc.), 

    b. Washing detergent chemicals series : (LABSA, SLES, CEDA,STPP, etc.)

    c.  Soda alkali chemicals series : ( Caustic Soda , Sodium Sulphate Anhydrous etc.) 

    d. Water treatment chemical series: (Calcium hypochlorite, TCCA,SDIC, PAC- poly aluminium chloride, PFS, Aluminium sulfate etc.) 

    e. Adsorbent Desiccant Activated Alumina Ball

    f.  Raw material Calcium Aluminate ,Aluminium Hydroxide

  • Inquiry History
    5 Inquiries
    Country Product Purchase Quantity Date Posted
    Canada

    Levodopa

    1000 KG Oct 28, 2025
    United States

    Levodopa

    1 KG Oct 27, 2025
    Pakistan

    Levodopa

    2 G Nov 8, 2023
    India

    Levodopa

    17 MT Apr 28, 2025
    Germany

    L-DOPA

    999 KG Jul 12, 2023
    Post an enquiry for this product
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