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Home > Active Pharmaceutical Ingredients > Other Chemical Drugs > Clonidine hydrochloride for Sale > High Quality Clonidine HCL CAS 4205-91-8 Powder Fast Shipping Good Price
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High Quality Clonidine HCL CAS 4205-91-8 Powder Fast Shipping Good Price

2 Inquiries

Unit Price: Get Latest Price
CAS No.:

4205-91-8

Grade:

Pharmaceutical Grade

Content:

99.5%

Port:

Hangzhou

Brand:

HyperChem

Packaging:

1kg/Bag

Price valid (until):

2025-02-08

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

Pharmaceuticals,Peptide,Cosmetics,Nutritional Supplements

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

    Name

    Clonidine HCL

    CAS number

    4205-91-8

    Synonym

    Clonidine HCL; 4205-91-8

    Description

    Clonidine HCl is an effective medication used for hypertension and ADHD, functioning as an alpha-2 adrenergic agonist to lower blood pressure and provide sedative effects. Its versatility makes it a valuable part of treatment regimens for both conditions. 

    Structure

    Shop High Quality Clonidine HCL CAS 4205-91-8 Powder Fast Shipping Good Price-Detailed Image 1

    Molecular Formula

    C9H10Cl3N3

    Molecular Weight

    266.55 g/mol

    Appearance

    White Powder

    Quality Standard

    99%

    Shipping Condition

    Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

    Storage Condition

    Dry, dark and at 2~8 for short term (days to weeks) or -20 for long term (months to years).

    Shelf Life

    >2 years if stored properly

    Sample package

    Aluminium foil bag, Bottle

    Commercial package

    Aluminium Tin

    Origin

    China

    Clonidine HCL More Info

    Clonidine HCl is a medication primarily used for its antihypertensive properties and its effectiveness in treating attention-deficit/hyperactivity disorder (ADHD). It is classified as an alpha-2 adrenergic agonist, and it works by affecting specific receptors in the central nervous system.

     

    Mechanism of Action

    Clonidine exerts its effects by stimulating alpha-2 adrenergic receptors in the brain, leading to several physiological responses:

     

    Decreased Sympathetic Outflow: By activating these receptors, clonidine reduces the release of norepinephrine from nerve terminals, leading to a decrease in sympathetic nervous system activity. This results in lower blood pressure and heart rate.

    Sedative Effects: Clonidine has sedative properties, which can be beneficial in managing symptoms of ADHD, particularly in children, as it helps improve attention and reduce impulsivity.

    Indications

    Clonidine is indicated for:

     

    Hypertension: It is used to manage high blood pressure, often in combination with other antihypertensive agents.

    ADHD: Clonidine can be used as part of a comprehensive treatment plan for children with ADHD, either as a primary treatment or as an adjunct to stimulant medications.

    Off-label Uses: Clonidine is sometimes used in the management of withdrawal symptoms in patients with opioid dependence and for certain pain management scenarios.

    Dosage and Administration

    Clonidine is available in various forms, including tablets, extended-release capsules, and transdermal patches. Dosing varies based on the condition being treated:

     

    Hypertension: The initial oral dose for hypertension is typically 0.1 mg, which may be adjusted based on patient response and can be taken two to three times a day.

    ADHD: For ADHD, the usual starting dose for children is 0.1 mg at bedtime, which may be adjusted based on effectiveness and tolerance, potentially reaching up to 0.4 mg per day.

    Transdermal Patch: The clonidine patch is applied weekly, with dosing specified according to the patch strength.

    Side Effects

    Clonidine can cause a range of side effects, including:

     

    Sedation or Drowsiness: Many patients experience sedation, particularly during the initial stages of treatment.

    Dry Mouth: A common side effect due to decreased salivary secretion.

    Constipation: Some patients may experience gastrointestinal disturbances, including constipation.

    Bradycardia: Clonidine can lead to lower heart rates and should be monitored in patients, particularly if they have heart conditions.

    Withdrawal Effects: Abrupt discontinuation can lead to rebound hypertension, so gradual dose reduction is recommended.

    Drug Interactions

    Clonidine may interact with various medications, which can enhance its effects or increase the risk of side effects:

     

    CNS Depressants: Concurrent use with alcohol, benzodiazepines, or other central nervous system depressants can amplify sedative effects.

    Antihypertensives: When used with other antihypertensive agents, it may lead to excessive lowering of blood pressure.

    Tricyclic Antidepressants: These may reduce the antihypertensive effects of clonidine.

    Safety and Precautions

    Important safety considerations include:

     

    Cardiovascular Monitoring: Patients with a history of cardiovascular disease or severe heart rhythm disorders should be monitored closely.

    Pregnancy and Lactation: Clonidine may not be safe during pregnancy or breastfeeding, and its use should be evaluated on a case-by-case basis by healthcare providers.

    Mental Health: Caution is warranted in patients with a history of depression, as clonidine may exacerbate depressive symptoms in some individuals.

    Regulatory Status

    Clonidine has been approved by various health authorities for the treatment of hypertension and ADHD, among other indications. It is included in clinical guidelines for managing both conditions.

     

    Conclusion

    Clonidine HCl is an effective medication used for hypertension and ADHD, functioning as an alpha-2 adrenergic agonist to lower blood pressure and provide sedative effects. Its versatility makes it a valuable part of treatment regimens for both conditions. Careful monitoring for side effects, especially sedation and blood pressure changes, is essential for ensuring safe and effective use.


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    FAQ


    Q1. Can I get a free sample?

    We can send you a samll free sample, and you only need to pay for the shipping cost.

     

    Q2. What is the HyperChem payment term?

    T/T in advance
    LC at sight
    DP at sight

    Bank transfer

    PayPal

    Bitcoin...

     

    Q3. What is HyperChem shipment policy?

    Our policy is to strive for the quickest shipment time possible.

    For ready stock samples, they are usually shipped within 3 working days after payment received.
    For non-ready stock, please contact HyperChem sales team to negotiate.

     

    Q4. What is HyperChem shipment term?

    By Express  
    FedEx  UPS  DHL  EMS                               
    Fast: 3-7 days around, high cost, door to door service

    By Air                                        
    Suitable for more than 50kg 
    Fast: 3-7 days, hight cost, port to port, professional broker needed 

    By Sea
    Suitable for more than 500kg      
    Fast: 7-45 days, low cost, port to port, professional broker needed 

     

    We will always attempt to utilize the quickest and most affordable way for customers to receive orders. And follow -up with customers via email for all shipment details as well as updated track information until it arrives without damage.

     

    Q5. What HyperChem will provide after shipment?

    For sample orders: 
    After shipment is done, an timely email including:

    1. Track details (Fedex /TNT/DHL/EMS Track number)
    2. Packaging photo
    3. COA, MSDS, etc
    4. Dispatch date & Estimated arriving time
    5. Shipping invoice

    For commercial orders:
    A full set of shipment documents as well as package photos can be provided in scan-copy and original, to help customers complete the customs clearance process.

    Basic Info
    Product Name:

    Clonidine hydrochloride

    Other Name:

    1H-Imidazol-2-amine,N-(2,6-dichlorophenyl)-4,5-dihydro-,hydrochloride (1:1);2-Imidazoline,2-(2,6-dichloroanilino)-,monohydrochloride;1H-Imidazol-2-amine,N-(2,6-dichlorophenyl)-4,5-dihydro-,monohydrochloride;Catapressan;Catapres;Clonidine hydrochloride;ST 155;2-[(2,6-Dichlorophenyl)amino]-2-imidazoline monohydrochloride;Haemiton;Chlophazolin;2-[(2,6-Dichlorophenyl)amino]-2-imidazoline hydrochloride;Katapresan;Clonidine chloride;Atensina;Capresin;DCAI;Hemiton;Normopresan;Clonidine monohydrochloride;Clofelin;Isoglaucon;2-(2,6-Dichloroanilino)-2-imidazoline hydrochloride;Neuclon;Clopheline;KAPVAY;Dichloranilino imidazolin;7555-15-9;57665-50-6;64638-22-8;66009-47-0;66073-52-7;73121-65-0

    CAS No.:

    4205-91-8

    Molecular Formula:

    C9H9Cl2N3.ClH

    InChIKeys:

    InChIKey=ZNIFSRGNXRYGHF-UHFFFAOYSA-N

    Molecular Weight:

    266.55

    Exact Mass:

    264.994019

    EC Number:

    224-121-5

    UNII:

    W76I6XXF06

    NSC Number:

    756699

    DSSTox ID:

    DTXSID8044670

    NCI Thesaurus Code:

    C47979

    HScode:

    2933290090

    Categories:

    Other Chemical Drugs

    Characteristics
    PSA:

    36.4

    Appearance:

    white

    Melting Point:

    305 °C

    Boiling Point:

    319.3°C at 760 mmHg

    Flash Point:

    146.9ºC

    Water Solubility:

    soluble in water (50 mg/ml), DMSO (75 mM), methanol, chloroform (slightly), and dehydrated alcohol.

    Storage Conditions:

    2-8°C

    Toxicity:

    Oral-Rat  LD50: 126 mg/kg; Oral-Mouse LD50: 139 mg/kg

    Flammability characteristics:

    Flammable; burning produces toxic chloride and nitrogen oxide fumes

    Collision Cross Section:

    143.3 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 3, Oral

    Acute toxicity - Category 1, Inhalation

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H301 Toxic if swallowed

    H330 Fatal if inhaled

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

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

    P260 Do not breathe dust/fume/gas/mist/vapours/spray.

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

    P284 [In case of inadequate ventilation] wear respiratory protection.

    Response

    P301+P316 IF SWALLOWED: Get emergency medical help immediately.

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

    P330 Rinse mouth.

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

    P316 Get emergency medical help immediately.

    P320 Specific treatment is urgent (see ... on this label).

    Storage

    P405 Store locked up.

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

    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:

    Pharmaceuticals,Peptide,Cosmetics,Nutritional Supplements

    Location:

    Rm. 803, Tower 4, LOFT49 Creative City Pioneer Zone, No.88 Jiru Rd. Gongshu Dist., Hangzhou, 310015 ZJ, China

    Payment Terms:

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

    Average lead Time:

    10

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    11-50

    Year of Establishment:

    2013

    Certifications:

    Certification Report by Bureau Veritas

    About HyperChem

    Established in 2013, Hyper Chem has exclusive tie-ups with leading manufacturers, supplying raw materials produced in GMP and ISO 9002 certified facilities, and provides high-quality ingredients and raw materials to meet the needs of a diverse range of pharmaceutical cosmetics ingredients and nootropic supplements companies worldwide.

    Our Competitiveness

    One-stop supply

    Wide Range Of products including pharmaceutical, Cosmetic Ingredients and nootropic supplements

    Among all the pharmaceuticals,

    90% of them with GMP certificates,

    85% of them with DMF files and

    50% of them passed FDA approval,

    30% get CEP certificate

    20% are new R&D products.

    Custom Repackaging Service


    We can efficiently repackage your material into sample sizes, custom batch-specific sizes, or semi-bulk package sizes according to your specifications. And ensures the product is packaged in a quality-controlled environment and will maintain its integrity throughout every stage of the process.

    Quality Control/Quality Assurance


    HyperChem is committed to delivering on its promises of top-quality products with verified quality data.

    All materials are vigorously inspected by the factory and/or outsourced analytical laboratories to ensure each and every lot meets or exceeds our reference standards.

    Trade assurance service with 100% payment protection, It is best achieved by delivering products and services 100% right the first time, on time, every time.

    Professional

    Transparent Communication

    Fast Reaction,

    Professional Suggestion

    Beyond Expectation.

    We have exclusive partnerships with research and production facilities across the country and we offer varied pharmaceutical services in the most cost-efficient way. The production facilities are GMP, WHO-GMP, EU GMP and US FDA approved and are backed by strong regulatory support such as Dossier, DMF, Tech Pack and relevant Stability studies for regulatory filings.

  • Inquiry History
    2 Inquiries
    Country Product Purchase Quantity Date Posted
    Poland

    Clonidine CAS 4205-91-8

    10 KG Oct 29, 2025
    India

    Clonidine Hydrochloride

    1 KG Sep 8, 2025
    Post an enquiry for this product
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