Phenoxanthine, 97%

Name: Phenoxanthine, 97%
Brand: Vaqora Chemicals
SKU: VQ-002930

About Phenoxanthine, 97%

Listed under CAS 262-20-4, Phenoxanthine is a bioactive small molecule available from Vaqora Chemicals with a typical assay of 97%. The compound has the formula C12H8OS, corresponding to a molecular weight of 200.26 g/mol. Its systematic (IUPAC) name is phenoxathiine. It is also known as Phenoxathiin or Dibenzothioxin.

The material typically appears as powder or crystalline or chunks. Literature values give a melting point of 52-56 °C and a boiling point of 150-152 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span cell signalling research, pharmacological screening and target validation. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 5 g, 25 g and 1 kg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Cell signalling research
Pharmacological screening
Target validation

Industries

Specifications & identifiers

Chemical identifiers
Product name	Phenoxanthine, 97%
Catalogue No.	VQ-002930
CAS Number	262-20-4
IUPAC name	phenoxathiine
Molecular formula	C₁₂H₈OS
Molecular weight	200.26 g/mol
Exact mass	200.0296
Purity / assay	97%
HSN code	29420090
InChIKey	GJSGGHOYGKMUPT-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)OC3=CC=CC=C3S2
PubChem CID	9217

Physical properties
Physical form	Crystalline
Appearance	Powder or crystalline or chunks
Melting point	52-56 °C
Boiling point	150-152 °C
LogP (XLogP3)	4.5
H-bond donors / acceptors	0 / 2
TPSA	34.5 Å²
Synonyms	Phenoxathiin, Dibenzothioxin, Phenoxthin, Dibenzooxathiane, Phenoxathiane, Phenoxathrin, 1,4-Dibenzothioxine, Phenoxathine, Phenoxathiin, 97%, 5-19-02-00043 (Beilstein Handbook Reference)

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 Phenoxanthine, 97%?

The CAS Registry Number of Phenoxanthine, 97% is 262-20-4. It is also known as Phenoxathiin, Dibenzothioxin, Phenoxthin.

What is the molecular formula and molecular weight of Phenoxanthine, 97%?

Phenoxanthine, 97% has the molecular formula C12H8OS and a molecular weight of 200.26 g/mol. Its IUPAC name is phenoxathiine.

Which grade and pack sizes of Phenoxanthine, 97% can I order?

We supply Phenoxanthine, 97% in (97%) grade, in 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Phenoxanthine, 97%?

Yes. Every lot of Phenoxanthine, 97% 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 Phenoxanthine, 97% be shipped internationally?

Yes. Phenoxanthine, 97% 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.