C9H9Cl2N5S
290.17 g/mol
APIWarning
Tizanidine hydrochloride
CAS64461-82-1
Category
API
Compound Class
Heterocycle
Primary Use
Pharmaceutical Raw Material
Tizanidine hydrochloride is an active pharmaceutical ingredient that acts as an alpha-2 adrenergic receptor agonist. It is primarily supplied as a raw material for the manufacturing of pharmaceutical products used to manage muscle spasticity associated with conditions such as spinal cord injury, multiple sclerosis, and spastic cerebral palsy.
pharmaceutical raw material for muscle spasticity managementcompound for pharmaceutical manufacturing
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Tizanidine
CAS51322-75-9
pharmaceutical raw material
ReferenceSame Category
Ursodeoxycholylglycine
CAS64480-66-6
pharmaceutical raw material
ReferenceSame Category
Cefotaxime sodium
CAS64485-93-4
pharmaceutical raw material
ReferenceSame Category
Altretamine
CAS645-05-6
pharmaceutical raw material
ReferenceSame Category
Guanethidine monosulfate
CAS645-43-2
pharmaceutical raw material
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for Tizanidine hydrochloride (CAS 64461-82-1) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-2,1,3-benzothiadiazol-4-amine;hydrochloride
InChIKey
ZWUKMNZJRDGCTQ-UHFFFAOYSA-N
SMILES
C1CN=C(N1)NC2=C(C=CC3=NSN=C32)Cl.Cl
Synonyms (34)
- Tizanidine hydrochloride (JP18/USP)
- Tizanidine hydrochloride, European Pharmacopoeia (EP)
- Tizanidine hydrochloride, United States Pharmacopeia (USP)
- 64461-82-1 (HCl)
- DS 103-282
- DS-103282 ch
- Sirdalud MR
- Tizanidine (as hydrochloride)
- Tizanidine Hcl
- Tizanidine hydrochloride
- Tizanidine hydrochloride CRS
- Tizanidine impurity B CRS
- Tizanidne Hydrochloride
- Zanaflex
- Zanaflex (TN)
- tizanidine monohydrochloride
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