5-Chloro-3-sulfinothiophene-2-carboxylic Acid 187746-97-0

Name: 5-Chloro-3-sulfinothiophene-2-carboxylic Acid
Brand: Vaqora Chemicals
SKU: VQ-026510

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

5-Chloro-3-sulfinothiophene-2-carboxylic Acid (CAS 187746-97-0) is an impurity of Lornoxicam offered by Vaqora Chemicals. Its molecular formula is C5H3ClO4S2 and its molecular weight is 226.7 g/mol. Common synonyms include 5-Chloro-3-sulfino-2-thiophenecarboxylic acid.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Lornoxicam impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 5-Chloro-3-sulfinothiophene-2-carboxylic Acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Lornoxicam

View every impurity, metabolite and intermediate we list for Lornoxicam.

Lornoxicam impurities

Specifications & identifiers

Chemical identifiers
Product name	5-Chloro-3-sulfinothiophene-2-carboxylic Acid
Catalogue No.	VQ-026510
CAS Number	187746-97-0
IUPAC name	5-chloro-3-sulfinothiophene-2-carboxylic acid
Molecular formula	C₅H₃ClO₄S₂
Molecular weight	226.7 g/mol
Exact mass	225.9161
Grade	Reference Standard
HSN code	38229090
InChIKey	BHNLEKOHMPGJAH-UHFFFAOYSA-N
SMILES	C1=C(SC(=C1S(=O)O)C(=O)O)Cl
PubChem CID	17888047

Physical properties
Physical form	Solid
LogP (XLogP3)	1.6
H-bond donors / acceptors	2 / 6
TPSA	122 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled

Precautionary statements: P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P362 + P364, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 5-Chloro-3-sulfinothiophene-2-carboxylic Acid?

The CAS Registry Number of 5-Chloro-3-sulfinothiophene-2-carboxylic Acid is 187746-97-0. It is also known as 5-Chloro-3-sulfino-2-thiophenecarboxylic acid, 2-Thiophenecarboxylic acid, 5-chloro-3-sulfino-.

What is the molecular formula and molecular weight of 5-Chloro-3-sulfinothiophene-2-carboxylic Acid?

5-Chloro-3-sulfinothiophene-2-carboxylic Acid has the molecular formula C5H3ClO4S2 and a molecular weight of 226.7 g/mol. Its IUPAC name is 5-chloro-3-sulfinothiophene-2-carboxylic acid.

What is 5-Chloro-3-sulfinothiophene-2-carboxylic Acid used for?

5-Chloro-3-sulfinothiophene-2-carboxylic Acid is supplied as a characterised reference material related to Lornoxicam. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 5-Chloro-3-sulfinothiophene-2-carboxylic Acid can I order?

We supply 5-Chloro-3-sulfinothiophene-2-carboxylic Acid in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 5-Chloro-3-sulfinothiophene-2-carboxylic Acid?

Yes. Every lot of 5-Chloro-3-sulfinothiophene-2-carboxylic Acid is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 5-Chloro-3-sulfinothiophene-2-carboxylic Acid be shipped internationally?

Yes. 5-Chloro-3-sulfinothiophene-2-carboxylic Acid is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.