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API Impurities

5-Chloro-3-sulfothiophene-2-carboxylic Acid

Reference StandardAvailable on request

Order 5-Chloro-3-sulfothiophene-2-carboxylic Acid (CAS 187746-94-7) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
5-Chloro-3-sulfothiophene-2-carboxylic Acid chemical structure
CAS number187746-94-7
FormulaC5H3ClO5S2
Molar mass242.7 g/mol
Physical formSolid
HS code38229090
InChIKeyRBQFMYATYGPWNV-UHFFFAOYSA-N
IUPAC name5-chloro-3-sulfothiophene-2-carboxylic acid

About 5-Chloro-3-sulfothiophene-2-carboxylic Acid

5-Chloro-3-sulfothiophene-2-carboxylic Acid is supplied by Zemixal as a characterised reference material for Lornoxicam analysis. For your records (Reference Standard), the material is defined by CAS 187746-94-7, formula C5H3ClO5S2 and molar mass 242.7 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Lornoxicam

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

Lornoxicam standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of 5-Chloro-3-sulfothiophene-2-carboxylic Acid
Product name5-Chloro-3-sulfothiophene-2-carboxylic Acid
Catalogue numberZX-025443
CAS number187746-94-7
IUPAC name5-chloro-3-sulfothiophene-2-carboxylic acid
Molecular formulaC5H3ClO5S2
Molar mass242.7 g/mol
Exact mass241.911
GradeReference Standard
Physical formSolid
XLogP31.2
H-bond donors / acceptors2 / 6
Topological polar surface area128 Ų
HS code38229090
InChIKeyRBQFMYATYGPWNV-UHFFFAOYSA-N
SMILESC1=C(SC(=C1S(=O)(=O)O)C(=O)O)Cl
PubChem CID28936605
Synonyms5-chloro-3-sulfo-2-Thiophenecarboxylic acid, 2-Thiophenecarboxylic acid, 5-chloro-3-sulfo-

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

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of 5-Chloro-3-sulfothiophene-2-carboxylic Acid
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 5-Chloro-3-sulfothiophene-2-carboxylic Acid

Which CAS number identifies 5-Chloro-3-sulfothiophene-2-carboxylic Acid?
5-Chloro-3-sulfothiophene-2-carboxylic Acid is registered under CAS 187746-94-7. You may also see it listed as 5-chloro-3-sulfo-2-Thiophenecarboxylic acid, 2-Thiophenecarboxylic acid, 5-chloro-3-sulfo-. Our catalogue number for this item is ZX-025443.
What are the formula and molar mass of 5-Chloro-3-sulfothiophene-2-carboxylic Acid?
For 5-Chloro-3-sulfothiophene-2-carboxylic Acid, its formula is C5H3ClO5S2 and its molar mass is 242.7 g/mol. The systematic (IUPAC) name is 5-chloro-3-sulfothiophene-2-carboxylic acid. InChIKey RBQFMYATYGPWNV-UHFFFAOYSA-N lets you match it in any structure database.
How is 5-Chloro-3-sulfothiophene-2-carboxylic Acid used in pharmaceutical QC?
5-Chloro-3-sulfothiophene-2-carboxylic Acid is a characterised reference material linked to Lornoxicam. 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 5-Chloro-3-sulfothiophene-2-carboxylic Acid?
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 5-Chloro-3-sulfothiophene-2-carboxylic Acid?
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 5-Chloro-3-sulfothiophene-2-carboxylic Acid to my country?
Yes. 5-Chloro-3-sulfothiophene-2-carboxylic Acid ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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