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CAS RN: 181695-72-7 | Product Number: V0133


Purity: >98.0%(HPLC)(N)
  • 4-(5-Methyl-3-phenyl-4-isooxazolyl)benzenesulfonamide
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Product Number V0133
Purity / Analysis Method >98.0%(HPLC)(N)
Molecular Formula / Molecular Weight C__1__6H__1__4N__2O__3S = 314.36  
Physical State (20 deg.C) Solid
Storage Temperature 0-10°C
Condition to Avoid Heat Sensitive
CAS RN 181695-72-7
Reaxys Registry Number 8563786
Merck Index (14) 9900
MDL Number


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Purity(with Total Nitrogen) min. 98.0 %
Melting point 169.0 to 173.0 °C
Properties (reference)
Melting Point 170 °C
Maximum Absorption Wavelength 202(H2O) nm
Solubility in water Insoluble
Solubility (soluble in) Ethanol,Methanol
Pictogram Pictogram Pictogram
Signal Word Warning
Hazard Statements H361 : Suspected of damaging fertility or the unborn child.
H373 : May cause damage to organs through prolonged or repeated exposure.
H411 : Toxic to aquatic life with long lasting effects.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P273 : Avoid release to the environment.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray.
P202 : Do not handle until all safety precautions have been read and understood.
P201 : Obtain special instructions before use.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P391 : Collect spillage.
P308 + P313 : IF exposed or concerned: Get medical advice/ attention.
P405 : Store locked up.
Related Laws:
RTECS# DB2944030
Transport Information:
UN Number UN3077
Class 9
Packing Group III
Valdecoxib: A Selective Cyclo-Oxygenase-2 (COX-2) Inhibitor

Valdecoxib (SC 65872), a non-steroidal anti-inflammatory drug (NSAID), is a selective cyclo-oxygenase-2 (COX-2) inhibitor. In theory, a drug such as valdecoxib that selectively inhibited COX-2 might block inflammation, pain, and fever produced by prostaglandins while reducing the side effects (gastric erosions and ulcers) associated with inhibition of COX-1.


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