Lot numbers can be found on the outside label of a product:
Thioxanthone
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CAS No. 492-22-8
- Cat. No. CS-0097787
- Purity≥95%
- MDL No.MFCD00005066
*For research and further manufacturing use only, not for direct human use.
Structure of 492-22-8
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General Information
- CAS No. 492-22-8
- Cat. No. CS-0097787
- Purity ≥95%
- MDL No. MFCD00005066
- Storage Store at room temperature
- Shipping Room temperature in continental US; may vary elsewhere.
- Molecular Formula C₁₃H₈OS
- Molecular Weight 212.27
- Synonym(s) Thioxanthen-9-one
- SMILES O=C1C2=C(SC3=C1C=CC=C3)C=CC=C2
Description
Used in hybridization solutions to accelerate the rate of annealing. Molecular biology grade.Specifications:Chloride (Cl): 0.01%DNase: None detectedFree sulfate: 0.5%Heavy metals (as Pb): 0.005%Iron (Fe): 0.001%Loss on drying: 10.0%pH (1%, water) at 25C: 6.4-8.0Phosphate (PO4): 1.0%Protease: None detectedRNase: None detectedSulfur content: 16-18% Intended for laboratory and manufacturing use only. Not for drug, food, or household use.
Application
Thioxanthone serves as a robust photoredox catalyst in organic synthesis, enabling efficient radical-mediated transformations under visible light. Its strong absorption in the visible range and favorable redox potential facilitate key C–H functionalizations, cross-couplings, and heterocycle constructions. The compound exhibits excellent bench stability, minimal decomposition under reaction conditions, and compatibility with diverse functional groups. Its utility is well-documented in scalable protocols for medicinal chemistry and materials science applications.
Synthesis
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Route1
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7605-15-4 - ~99%
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In-stock
492-22-8
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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261-31-4 - ~88%
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In-stock
492-22-8
References
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Kawabata, Hirotoshi; Hayashi, Masahiko Tetrahedron Letters, 2004 , vol. 45, # 28 p. 5457 - 5459
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Route3
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3950-02-5
- ~91%
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In-stock
492-22-8
References
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The Sherwin-Williams Company Patent: US4101558 A1, 1978 ;
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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 17.07
- LogP 3.4147
- H_Acceptors 2
- H_Donors 0
- Rotatable_Bonds 0
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