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API Reference Standards

Tizoxanide

Reference StandardAvailable on request

Tizoxanide (CAS 173903-47-4) supplier Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-025855.

Pack sizes
Tizoxanide chemical structure
CAS number173903-47-4
FormulaC10H7N3O4S
Molar mass265.25 g/mol
Physical formSolid
HS code38229090
InChIKeyFDTZUTSGGSRHQF-UHFFFAOYSA-N
IUPAC name2-hydroxy-N-(5-nitro-1,3-thiazol-2-yl)benzamide

About Tizoxanide

Tizoxanide belongs to the Nitazoxanide reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 173903-47-4, formula C10H7N3O4S and molar mass 265.25 g/mol. It is handled as a solid.

Where it is used

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

Storage and safety notes

Hazard communication follows GHS (Warning: H302, H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Nitazoxanide

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

Nitazoxanide standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Tizoxanide
Product nameTizoxanide
Catalogue numberZX-025855
CAS number173903-47-4
IUPAC name2-hydroxy-N-(5-nitro-1,3-thiazol-2-yl)benzamide
Molecular formulaC10H7N3O4S
Molar mass265.25 g/mol
Exact mass265.0157
GradeReference Standard
Physical formSolid
XLogP33.2
H-bond donors / acceptors2 / 6
Topological polar surface area136 Ų
HS code38229090
InChIKeyFDTZUTSGGSRHQF-UHFFFAOYSA-N
SMILESC1=CC=C(C(=C1)C(=O)NC2=NC=C(S2)[N+](=O)[O-])O
PubChem CID394397
SynonymsDesacetyl Nitazoxanide, Benzamide, 2-hydroxy-N-(5-nitro-2-thiazolyl)-, Desacetyl-nitazoxanide, 2-hydroxy-N-(5-nitrothiazol-2-yl)benzamide, 2-Hydroxy-N-(5-nitro-2-thiazolyl)benzamide, 2-Hydroxy-N-(5-nitro-2-thiazolyl)-benzamide, EETizoxanide, N-(5-nitro-2-thiazolyl) salicyl-amide, (2-Hydroxyphenyl)-N-(5-nitro-(1,3-thiazol-2-yl))carboxamide

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

Signal word Warning

  • H302Harmful if swallowed
  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Tizoxanide
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 Tizoxanide

Which CAS number identifies Tizoxanide?
Tizoxanide is registered under CAS 173903-47-4. You may also see it listed as Desacetyl Nitazoxanide, Benzamide, 2-hydroxy-N-(5-nitro-2-thiazolyl)-, Desacetyl-nitazoxanide. Our catalogue number for this item is ZX-025855.
What are the formula and molar mass of Tizoxanide?
For Tizoxanide, its formula is C10H7N3O4S and its molar mass is 265.25 g/mol. The systematic (IUPAC) name is 2-hydroxy-N-(5-nitro-1,3-thiazol-2-yl)benzamide. InChIKey FDTZUTSGGSRHQF-UHFFFAOYSA-N lets you match it in any structure database.
How is Tizoxanide used in pharmaceutical QC?
Tizoxanide is a characterised reference material linked to Nitazoxanide. 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 Tizoxanide?
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 Tizoxanide?
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 Tizoxanide to my country?
Yes. Because Tizoxanide 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.

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