Lot numbers can be found on the outside label of a product:
Phenoxathiin
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CAS No. 262-20-4
- Cat. No. CS-0146166
- Purity≥98%
- MDL No.MFCD00046933
*For research and further manufacturing use only, not for direct human use.
Structure of 262-20-4
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General Information
- CAS No. 262-20-4
- Cat. No. CS-0146166
- Purity ≥98%
- MDL No. MFCD00046933
- Storage 4°C
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₁₂H₈OS
- Molecular Weight 200.26
- Synonym(s) EPA Pesticide Chemical Code 064301
- SMILES C12=CC=CC=C1SC3=C(C=CC=C3)O2
Description
Phenoxathiin features a rigid, electron-rich heterocyclic core with fused oxygen and sulfur atoms, offering enhanced stability and favorable π-electron delocalization. This structure enables efficient integration into organic semiconductors and fluorescent probes, where robust photophysical properties are critical.
Application
Phenoxathiin serves as a versatile heterocyclic scaffold in synthetic organic chemistry, enabling the construction of biologically relevant architectures. Its stable aromatic core and oxygen-sulfur bridging facilitate functionalization at multiple positions, supporting diverse transformations including electrophilic substitution and transition-metal-catalyzed coupling. The compound exhibits bench stability and compatibility with common protecting group strategies, making it a practical building block for medicinal chemistry and materials science applications.
Synthesis
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Route1
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In-stock
948-44-7 - ~99%
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In-stock
262-20-4
References
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Chasar, Dwight W.; Shockcor, John P. Phosphorus and Sulfur and the Related Elements, 1980 , vol. 8, p. 187 - 188
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Route2
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101-84-8 - ~61%
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In-stock
262-20-4
References
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Elothmani, Driss; Do, Quang Tho; Simonet, Jacques; Guillanton, Georges Le Bulletin de la Societe Chimique de France, 1994 , vol. 131, p. 779 - 788
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Route3
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1121-24-0 -
88-73-3
- ~83%
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In-stock
262-20-4
References
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Hu, Fangdong; Zhao, Xin; Li, Yanqiu; Feng, Lei; Ma, Chen Synthesis (Germany), 2013 , vol. 45, # 7 art. no. SS-2012-H1004-OP, p. 966 - 970
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Safety Information
Download SDS|
GHS Pictogram :
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GHS No : GHS07
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Signal Word : Warning
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UN#: N/A
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Class : N/A
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Packing Group : N/A
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Hazard Statements : H302-H315-H319-H335
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Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501
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Quality Control
Computational Chemistry Data
- TPSA 9.23
- LogP 3.9435
- H_Acceptors 2
- H_Donors 0
- Rotatable_Bonds 0
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