Carboxine, 98%

Name: Carboxine, 98%
Brand: Vaqora Chemicals
SKU: VQ-012345

About Carboxine, 98%

Carboxine (CAS 5234-68-4) is a sulfur heterocycle offered by Vaqora Chemicals, specified at 98% purity. Its molecular formula is C12H13NO2S and its molecular weight is 235.3 g/mol. Its systematic (IUPAC) name is 6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide. Common synonyms include Carbathiine and Carbathiin.

It is supplied as white to orange to green powder or crystals. Literature values give a melting point of 89-93 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 1 g, 5 g and 25 g packs, Carboxine is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Carboxine, 98%
Catalogue No.	VQ-012345
CAS Number	5234-68-4
IUPAC name	6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide
Molecular formula	C₁₂H₁₃NO₂S
Molecular weight	235.3 g/mol
Exact mass	235.0667
Purity / assay	98%
HSN code	29332990
InChIKey	GYSSRZJIHXQEHQ-UHFFFAOYSA-N
SMILES	CC1=C(SCCO1)C(=O)NC2=CC=CC=C2
PubChem CID	21307

Physical properties
Physical form	Crystalline
Appearance	White to orange to green powder or crystals
Melting point	89-93 °C
LogP (XLogP3)	2.1
H-bond donors / acceptors	1 / 3
TPSA	63.6 Å²
Synonyms	5,6-Dihydro-2-methyl-N-phenyl-1,4-oxathiin-3-carboxamide, Carbathiine, Carbathiin, 2-Methyl-N-phenyl-5,6-dihydro-1,4-oxathiine-3-carboxamide, Oxatin, Vitavax 75W, Vitavax 100, Vitavax 735D, Vitaflo 250, Murganic, Cerevax Extra, Enhance Plus

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Environmental hazard

Signal word: Warning

Hazard statements

H317May cause an allergic skin reaction
H373May causes damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects

Precautionary statements: P260, P261, P272, P273, P280, P302 + P352, P319, P321, P333 + P317, P362 + P364, P391, 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 Carboxine, 98%?

The CAS Registry Number of Carboxine, 98% is 5234-68-4. It is also known as 5,6-Dihydro-2-methyl-N-phenyl-1,4-oxathiin-3-carboxamide, Carbathiine, Carbathiin.

What is the molecular formula and molecular weight of Carboxine, 98%?

Carboxine, 98% has the molecular formula C12H13NO2S and a molecular weight of 235.3 g/mol. Its IUPAC name is 6-methyl-N-phenyl-2,3-dihydro-1,4-oxathiine-5-carboxamide.

Which grade and pack sizes of Carboxine, 98% can I order?

We supply Carboxine, 98% in (98%) grade, in 1 g, 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Carboxine, 98%?

Yes. Every lot of Carboxine, 98% 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 Carboxine, 98% be shipped internationally?

Yes. Carboxine, 98% 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.