4-Chlorothiophene-2-carboxylic Acid

Name: 4-Chlorothiophene-2-carboxylic Acid
Brand: Vaqora Chemicals
SKU: VQ-032426

About 4-Chlorothiophene-2-carboxylic Acid

Vaqora Chemicals supplies 4-Chlorothiophene-2-carboxylic Acid, an impurity of Phenothiazine registered under CAS number 59614-95-8. The compound has the formula C5H3ClO2S, corresponding to a molecular weight of 162.59 g/mol. Common synonyms include 4-chloro-2-thiophenecarboxylic acid and 2-Thiophenecarboxylic acid, 4-chloro-.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This Phenothiazine 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.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Phenothiazine

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

Phenothiazine impurities

Specifications & identifiers

Chemical identifiers
Product name	4-Chlorothiophene-2-carboxylic Acid
Catalogue No.	VQ-032426
CAS Number	59614-95-8
IUPAC name	4-chlorothiophene-2-carboxylic acid
Molecular formula	C₅H₃ClO₂S
Molecular weight	162.59 g/mol
Exact mass	161.9542
Grade	Reference Standard
HSN code	38229090
InChIKey	JWQMRBBWZUKWFJ-UHFFFAOYSA-N
SMILES	C1=C(SC=C1Cl)C(=O)O
PubChem CID	12290695

Physical properties
Physical form	Solid
LogP (XLogP3)	2.1
H-bond donors / acceptors	1 / 3
TPSA	65.5 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 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 4-Chlorothiophene-2-carboxylic Acid?

The CAS Registry Number of 4-Chlorothiophene-2-carboxylic Acid is 59614-95-8. It is also known as 4-chloro-2-thiophenecarboxylic acid, 2-Thiophenecarboxylic acid, 4-chloro-, 2-Carboxy-4-chlorothiophene.

What is the molecular formula and molecular weight of 4-Chlorothiophene-2-carboxylic Acid?

4-Chlorothiophene-2-carboxylic Acid has the molecular formula C5H3ClO2S and a molecular weight of 162.59 g/mol. Its IUPAC name is 4-chlorothiophene-2-carboxylic acid.

What is 4-Chlorothiophene-2-carboxylic Acid used for?

4-Chlorothiophene-2-carboxylic Acid is supplied as a characterised reference material related to Phenothiazine. 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 4-Chlorothiophene-2-carboxylic Acid can I order?

We supply 4-Chlorothiophene-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 4-Chlorothiophene-2-carboxylic Acid?

Yes. Every lot of 4-Chlorothiophene-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 4-Chlorothiophene-2-carboxylic Acid be shipped internationally?

Yes. 4-Chlorothiophene-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.