3-Chloroisothiazole-4-carboxylic acid

Name: 3-Chloroisothiazole-4-carboxylic acid
Brand: Vaqora Chemicals
SKU: VQ-051297

About 3-Chloroisothiazole-4-carboxylic acid

3-Chloroisothiazole-4-carboxylic acid (CAS 933690-30-3) is a sulfur heterocycle offered by Vaqora Chemicals. Its molecular formula is C4H2ClNO2S and its molecular weight is 163.58 g/mol. Systematically, it is named 3-chloro-1,2-thiazole-4-carboxylic acid. Alternative names: 3-chloro-4-isothiazolecarboxylic acid and 4-Isothiazolecarboxylic acid, 3-chloro.

Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 3-Chloroisothiazole-4-carboxylic acid in 100 mg, 250 mg, 1 g and 5 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	3-Chloroisothiazole-4-carboxylic acid
Catalogue No.	VQ-051297
CAS Number	933690-30-3
IUPAC name	3-chloro-1,2-thiazole-4-carboxylic acid
Molecular formula	C₄H₂ClNO₂S
Molecular weight	163.58 g/mol
Exact mass	162.9495
HSN code	2933
InChIKey	ZXVLOGPHTXPJCU-UHFFFAOYSA-N
SMILES	C1=C(C(=NS1)Cl)C(=O)O
PubChem CID	44558325

Physical properties
Physical form	Other
LogP (XLogP3)	1.5
H-bond donors / acceptors	1 / 4
TPSA	78.4 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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 3-Chloroisothiazole-4-carboxylic acid?

The CAS Registry Number of 3-Chloroisothiazole-4-carboxylic acid is 933690-30-3. It is also known as 3-chloro-4-isothiazolecarboxylic acid, 4-Isothiazolecarboxylic acid, 3-chloro, 4-Isothiazolecarboxylicacid, 3-chloro-.

What is the molecular formula and molecular weight of 3-Chloroisothiazole-4-carboxylic acid?

3-Chloroisothiazole-4-carboxylic acid has the molecular formula C4H2ClNO2S and a molecular weight of 163.58 g/mol. Its IUPAC name is 3-chloro-1,2-thiazole-4-carboxylic acid.

Which grade and pack sizes of 3-Chloroisothiazole-4-carboxylic acid can I order?

We supply 3-Chloroisothiazole-4-carboxylic acid, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3-Chloroisothiazole-4-carboxylic acid?

Yes. Every lot of 3-Chloroisothiazole-4-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 3-Chloroisothiazole-4-carboxylic acid be shipped internationally?

Yes. 3-Chloroisothiazole-4-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.