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Lornoxicam Impurity 9

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Lornoxicam Impurity 9 Basic information

Product Name:
Lornoxicam Impurity 9
Synonyms:
  • 5-Chloro-3-[(methylamino)sulfonyl]-2-thiophenecarboxylic acid
  • 5-chloro-3-(methylsulfamoyl)thiophene-2-carboxylic acid
  • Lornoxicam Impurity 10
  • 2-Thiophenecarboxylic acid, 5-chloro-3-[(methylamino)sulfonyl]-
  • 5-chloro-3-(N-methylsulfamoyl)thiophene-2-carboxylic acid
CAS:
70374-36-6
MF:
C6H6ClNO4S2
MW:
255.7
Mol File:
70374-36-6.mol
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Lornoxicam Impurity 9 Chemical Properties

Boiling point:
446.3±55.0 °C(Predicted)
Density 
1.660±0.06 g/cm3(Predicted)
solubility 
DMSO (Slightly), Methanol (Slightly)
pka
2?+-.0.10(Predicted)
form 
Solid
color 
White to Off-White
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Lornoxicam Impurity 9 Usage And Synthesis

Uses

5-Chloro-3-[(methylamino)sulfonyl]-2-thiophenecarboxylic Acid is an intermediate in preparation of Lornoxicam.

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