Molekula
Tizanidine hydrochloride
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Tizanidine hydrochloride is a centrally acting alpha-2 adrenergic agonist used clinically to treat muscle spasticity. It functions by reducing nerve signals that cause muscle stiffness. Available with CAS number 64461-82-1, its molecular formula is C9H9Cl2N5S and molecular weight is 290.17 g/mol. Store at 2 to 8 °C. Signal word: Warning. Molekula supplies Tizanidine hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — £186.00 per pack ex VAT · £223.20 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Off white to light yellow crystalline powder |
| Assay/Purity | >99% w/w |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Transport Class | 6.1 |
| Packing Group | III |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 71395830 |
| CAS Number | 64461-82-1 |
| IUPAC Name | 5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-2,1,3-benzothiadiazol-4-amine;hydrochloride |
| Molecular Formula | C9H9Cl2N5S |
| Molecular Weight | 290.17 |
| Exact Mass | 288.9956 |
| SMILES | C1CN=C(N1)NC2=C(C=CC3=NSN=C32)Cl.Cl |
| InChIKey | ZWUKMNZJRDGCTQ-UHFFFAOYSA-N |
| InChI | InChI=1S/C9H8ClN5S.ClH/c10-5-1-2-6-8(15-16-14-6)7(5)13-9-11-3-4-12-9;/h1-2H,3-4H2,(H2,11,12,13);1H |
| PubChem CID | 114869 |
| UN Number | UN2811 |
| REACH Code | Y110 |
| HTS Code | 2934.99.90.01 |
| Tariff Code | 2934999090 |
Safety & GHS
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Toxic
GHS06
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H301 Toxic if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H336 May cause drowsiness or dizziness
- H361 Suspected of damaging fertility or the unborn child
- H372 Causes damage to organs through prolonged or repeated exposure
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P263 Avoid contact during pregnancy/while nursing
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 5-Chloro-4-(2-imidazolin-2-ylamino)-2,1,3-benzothiadiazole hydrochloride
- DS 103-282
- ONTRALFY
- Sirdalud MR
- TIZANDINE
- Tizanidine (as hydrochloride)
- Tizanidine Hcl
- tizanidine monohydrochloride
- Tizanidne Hydrochloride
- Zanaflex
Frequently asked questions
What is Tizanidine hydrochloride used for?
Tizanidine hydrochloride is used as a muscle relaxant, primarily for the treatment of spasticity due to conditions like multiple sclerosis or spinal cord injury.
What is the chemical formula and molecular weight of Tizanidine hydrochloride?
The chemical formula is C9H9Cl2N5S and the molecular weight is 290.17 g/mol.
How should Tizanidine hydrochloride be stored?
It should be stored at 2 to 8 °C, protected from light and moisture.
What grade of Tizanidine hydrochloride does Molekula supply?
Molekula supplies Tizanidine hydrochloride in research grade, suitable for laboratory use.
Can Molekula supply Tizanidine hydrochloride in bulk quantities?
Yes, Molekula can supply Tizanidine hydrochloride in bulk quantities—please contact us for pricing and availability.
What documentation comes with a Tizanidine hydrochloride order?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.