Tizanidine Hydrochloride (CAS 64461-82-1) is supplied by Monuo Chemical for specialty chemical and custom synthesis purchasing. It is also referenced as tizanidine HCl and 5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-2,1,3-benzothiadiazol-4-amine hydrochloride. Buyers typically search by product name or CAS when sourcing centrally acting α2-adrenergic agonist salts for pharmaceutical intermediate and biochemical R&D.
Key Specifications at a Glance
| Product Name | Tizanidine Hydrochloride |
|---|---|
| CAS Number | 64461-82-1 |
| Molecular Formula | C9H9Cl2N5S |
| Molecular Weight | 290.17 g/mol |
| Chemical Class | Imidazoline / benzothiadiazole α2-adrenergic agonist salt |
| Appearance | Off-white to pale yellow solid (supplier literature) |
| Melting Point | About 280 °C (lit.) |
| Solubility | Water-soluble (supplier literature); confirm for your method |
| Typical Use Area | Pharmaceutical intermediate / biochemical R&D; α2-agonist and myotonolytic studies |
| Category | Custom synthesis |
| Documents | COA, TDS, SDS on request |
| Supply Origin | China | Worldwide shipping |
What Is Tizanidine Hydrochloride?
Tizanidine Hydrochloride (CAS 64461-82-1) is the hydrochloride salt of tizanidine, a centrally acting α2-adrenergic agonist of the imidazoline / benzothiadiazole class. Molecular formula C9H9Cl2N5S; molecular weight about 290.17 g/mol. Always match CAS 64461-82-1 on the batch COA.
ChemicalBook and supplier literature describe it as a skeletal muscle relaxant / myotonolytic research compound used in α2-receptor and spasticity-related pathway studies. Monuo Chemical supplies Tizanidine Hydrochloride as a specialty chemical raw material under Custom synthesis, with batch identity documentation (COA / SDS). Finished-product claims, labeling and local regulatory filings remain the brand manufacturer’s responsibility. Confirm grade and assay against the batch COA for your intended method.
Synonyms & Search Names
- Tizanidine Hydrochloride / Tizanidine HCl
- 5-Chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-2,1,3-benzothiadiazol-4-amine hydrochloride
- Zanaflex (historical brand-related catalog name)
- Sirdalud (historical brand-related catalog name)
- CAS 64461-82-1
Applications
In specialty pharmaceutical intermediate and biochemical R&D projects, Tizanidine Hydrochloride is commonly reviewed for:
- Centrally acting α2-adrenergic agonist mechanism and receptor studies
- Skeletal muscle relaxant / myotonolytic model systems in laboratory research
- Spasticity-related pathway screening and related pharmacological R&D
- Catalog purchasing for custom synthesis of specialty imidazoline / benzothiadiazole salts
Compare related specialty items such as Novobiocin sodium (CAS 1476-53-5) in the same Custom synthesis range.
Handling & Use Notes
- Assay check: Confirm specification / assay for Tizanidine Hydrochloride on the batch COA before use.
- Container handling: Keep sealed and dry; protect from unnecessary light and heat during sampling.
- Process fit: Verify solubility and stability in water or your intended solvent / formulation system before scale-up.
- Safety: Follow the SDS for storage, PPE and waste handling. Use the batch SDS as the controlling safety document.
Need assay or packing discussion? Email [email protected] or use the contact form.
Packaging, Storage & Logistics
| Standard Pack Sizes | 50 g / 100 g bottles; 500 g / 1 kg packs (custom packing available) |
|---|---|
| Storage | Keep sealed, dry and protected from light and heat. Follow the batch COA and SDS |
| Shelf Life | Confirm shelf life on the COA for each lot |
| MOQ | Commercial MOQ discussed per project (often from 50 g); larger packs available on request |
| Lead Time | Stock items often ship promptly; custom pack / large lots typically 7–14 working days |
Quality & Documentation
For Tizanidine Hydrochloride (CAS 64461-82-1), Monuo Chemical can provide:
- Certificate of Analysis (COA)
- Technical Data Sheet (TDS) and Safety Data Sheet (SDS)
- CAS / product-name confirmation for your purchase file
- Flexible packing from grams to kilograms
- FOB / CIF / DAP terms as agreed
Our team aims to return technical data and quotations within 24 hours. See also Custom synthesis.
Request a Quote
Share your target assay, pack size and destination. We will confirm availability and documentation for Tizanidine Hydrochloride CAS 64461-82-1.
Request a Quote | Email: [email protected]
Frequently Asked Questions
What is Tizanidine Hydrochloride (CAS 64461-82-1)?
It is the hydrochloride salt of tizanidine, a centrally acting α2-adrenergic agonist used in skeletal muscle relaxant / myotonolytic research. Monuo Chemical lists it under Custom synthesis. Match CAS 64461-82-1 on the batch COA.
Is Zanaflex the same material?
Zanaflex is a historical brand-related catalog name associated with tizanidine. Always specify Tizanidine Hydrochloride and CAS 64461-82-1 on RFQs and POs.
What is the molecular formula and weight?
Listed values are molecular formula C9H9Cl2N5S; molecular weight about 290.17 g/mol. Confirm on the batch COA/TDS.
Where is Tizanidine Hydrochloride typically used in R&D?
Typical laboratory uses include α2-receptor studies, myotonolytic model systems and related pharmaceutical intermediate R&D. Monuo supplies raw-material identity documentation only; finished-product claims remain the customer’s responsibility.
What specification do you supply?
Exact assay and grade are confirmed on the Certificate of Analysis for each lot. Share your target specification when you request a quote.
How should Tizanidine Hydrochloride be stored?
Keep sealed, dry and protected from unnecessary light and heat. Follow the batch SDS and COA for controlling storage conditions.
How do I request a quotation for CAS 64461-82-1?
Share target assay, pack size and destination via the Request a Quote page or email [email protected]. We aim to reply within 24 hours.
Which related Custom synthesis products can I review?
You may also review Novobiocin sodium (CAS 1476-53-5) and 1H-Pyrazole-1-carboxamidine hydrochloride (CAS 4023-02-3), or open the full Custom synthesis catalog.
Related Products
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- 1H-Pyrazole-1-carboxamidine hydrochloride (CAS 4023-02-3)
- 5-Vinylpyrrolidone (5-VP) (CAS 7529-16-0)
- View all Custom synthesis
Disclaimer: Information is for specialty chemical raw-material identification and technical reference. Finished-product claims and regulatory filings remain the customer’s responsibility. Verify each lot against the supplied COA and SDS. Trade terms are FOB / CIF / DAP as agreed.





