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Pharmacopeial Impurities (EP / USP / BP)

Tenoxicam EP Impurity E

Reference StandardAvailable on request

Buy Tenoxicam EP Impurity E (CAS 94040-09-2) from Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg.

Pack sizes
Tenoxicam EP Impurity E chemical structure
CAS number94040-09-2
FormulaC6H5NO3S2
Molar mass203.2 g/mol
Physical formSolid
HS code38229090
InChIKeyWUQLGNGMRNSJNR-UHFFFAOYSA-N
IUPAC name2-methyl-1,1-dioxothieno[2,3-d][1,2]thiazol-3-one

About Tenoxicam EP Impurity E

Tenoxicam EP Impurity E is supplied by Zemixal as a characterised reference material for Tenoxicam analysis. Key data (Reference Standard): CAS 94040-09-2, formula C6H5NO3S2 and molar mass 203.2 g/mol. It is handled as a solid.

Use cases we see most often

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Handling and storage

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

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with 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 Tenoxicam

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

Tenoxicam standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Grade guides

Specifications and identifiers

Specifications of Tenoxicam EP Impurity E
Product nameTenoxicam EP Impurity E
Catalogue numberZX-022875
CAS number94040-09-2
IUPAC name2-methyl-1,1-dioxothieno[2,3-d][1,2]thiazol-3-one
Molecular formulaC6H5NO3S2
Molar mass203.2 g/mol
Exact mass202.9711
GradeReference Standard
Physical formSolid
XLogP30.6
H-bond donors / acceptors0 / 4
Topological polar surface area91.1 Ų
HS code38229090
InChIKeyWUQLGNGMRNSJNR-UHFFFAOYSA-N
SMILESCN1C(=O)C2=C(S1(=O)=O)C=CS2
PubChem CID10058700
SynonymsTenoxicam Impurity E, Tenoxicam - Impurity E, 2-Methylthieno[2,3-d]isothiazol-3(2H)-one 1,1-Dioxide, Thieno[2,3-d]isothiazol-3(2H)-one, 2-methyl-, 1,1-dioxide, 2-Methylthieno(2,3-d)isothiazol-3(2H)-one 1,1-dioxide, Thieno(2,3-d)isothiazol-3(2H)-one, 2-methyl-, 1,1-dioxide, N-methyl-3-oxothieno[2,3-d]-1,2-thiazole-1,1-dioxide, 2-Methyl-1H-1lambda~6~-thieno[2,3-d][1,2]thiazole-1,1,3(2H)-trione

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

Precautionary statements P264, P270, P301 + P317, P330, 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 Tenoxicam EP Impurity E
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 Tenoxicam EP Impurity E

Which CAS number identifies Tenoxicam EP Impurity E?
Tenoxicam EP Impurity E is registered under CAS 94040-09-2. You may also see it listed as Tenoxicam Impurity E, Tenoxicam - Impurity E, 2-Methylthieno[2,3-d]isothiazol-3(2H)-one 1,1-Dioxide. Our catalogue number for this item is ZX-022875.
What are the formula and molar mass of Tenoxicam EP Impurity E?
For Tenoxicam EP Impurity E, its formula is C6H5NO3S2 and its molar mass is 203.2 g/mol. The systematic (IUPAC) name is 2-methyl-1,1-dioxothieno[2,3-d][1,2]thiazol-3-one. InChIKey WUQLGNGMRNSJNR-UHFFFAOYSA-N lets you match it in any structure database.
How is Tenoxicam EP Impurity E used in pharmaceutical QC?
Tenoxicam EP Impurity E is a characterised reference material linked to Tenoxicam. 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 Tenoxicam EP Impurity E?
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 Tenoxicam EP Impurity E?
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 Tenoxicam EP Impurity E to my country?
Yes. Because Tenoxicam EP Impurity E 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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