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API Reference Standards

Tizanidine

Reference StandardAvailable on request

Order Tizanidine (CAS 51322-75-9) online at Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Tizanidine chemical structure
CAS number51322-75-9
FormulaC9H8ClN5S
Molar mass253.71 g/mol
Physical formSolid
HS code38229090
InChIKeyXFYDIVBRZNQMJC-UHFFFAOYSA-N
IUPAC name5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-2,1,3-benzothiadiazol-4-amine

About Tizanidine

Tizanidine is supplied by Zemixal as a characterised reference material for Tizanidine analysis. Identity at a glance (Reference Standard): CAS 51322-75-9, formula C9H8ClN5S and molar mass 253.71 g/mol. It is handled as a solid.

Where it is used

  • Identification & assay
  • Method development & validation
  • QC reference material

Handling and storage

It carries the GHS signal word Warning (H302+H332, H302, H332 and H361), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Tizanidine

See every impurity, metabolite and related compound we list for this API.

Tizanidine standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material

Applications

Specifications and identifiers

Specifications of Tizanidine
Product nameTizanidine
Catalogue numberZX-006866
CAS number51322-75-9
Other CAS numbers64461-82-1
IUPAC name5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-2,1,3-benzothiadiazol-4-amine
Molecular formulaC9H8ClN5S
Molar mass253.71 g/mol
Exact mass253.0189
GradeReference Standard
Physical formSolid
XLogP31.1
H-bond donors / acceptors2 / 4
Topological polar surface area90.4 Ų
HS code38229090
InChIKeyXFYDIVBRZNQMJC-UHFFFAOYSA-N
SMILESC1CN=C(N1)NC2=C(C=CC3=NSN=C32)Cl
PubChem CID5487
Synonyms5-chloro-4-(2-imidazolin-2-ylamino)-2,1,3-benzothiadiazole, 2,1,3-Benzothiadiazol-4-amine, 5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-, 5-chloro-4-(2-imidazolin-2-yl-amino)-2,1,3-benzothiadiazole, Ternelin, Tizanidine (INN), 5-Chloro-N-(4,5-dihydro-1H-imidazol-2-yl)benzo[c][1,2,5]thiadiazol-4-amine, 2,1,3-Benzothiadiazole-4-amine, 5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-, 2,1,3-Benzothiadiazole, 5-chloro-4-(2-imidazolin-2-ylamino)-, 5-Chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-benzo[c][1,2,5]thiadiazol-4-amine, Sirdalud (TN), Tizanidine (Standard), 5-chloro-4-(2-imidazolin-4-on-2-ylamino)-2,1,3-benzothiadiazole

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful
GHS08 Health hazard
Health hazard

Signal word Warning

  • H302+H332Harmful if swallowed or if inhaled
  • H302Harmful if swallowed
  • H332Harmful if inhaled
  • H361Suspected of damaging fertility or the unborn child

Precautionary statements P203, P261, P264, P270, P271, P280, P301 + P317, P304 + P340, P317, P318, P330, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Tizanidine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Tizanidine

Which CAS number identifies Tizanidine?
Tizanidine is registered under CAS 51322-75-9. You may also see it listed as 5-chloro-4-(2-imidazolin-2-ylamino)-2,1,3-benzothiadiazole, 2,1,3-Benzothiadiazol-4-amine, 5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-, 5-chloro-4-(2-imidazolin-2-yl-amino)-2,1,3-benzothiadiazole. Our catalogue number for this item is ZX-006866.
What are the formula and molar mass of Tizanidine?
For Tizanidine, its formula is C9H8ClN5S and its molar mass is 253.71 g/mol. The systematic (IUPAC) name is 5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)-2,1,3-benzothiadiazol-4-amine. InChIKey XFYDIVBRZNQMJC-UHFFFAOYSA-N lets you match it in any structure database.
How is Tizanidine used in pharmaceutical QC?
Tizanidine is a characterised reference material linked to Tizanidine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Tizanidine?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Tizanidine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Tizanidine to my country?
Yes. Because Tizanidine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Tizanidine standards

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