ChemicalBook > Product Catalog >Analytical Chemistry >Standard >Pharmaceutical Impurity Reference Standards >Lornoxicam Impurity 9

Lornoxicam Impurity 9

Lornoxicam Impurity 9 Structure
CAS No.
70374-36-6
Chemical Name:
Lornoxicam Impurity 9
Synonyms
Lornoxicam Impurity 10;5-chloro-3-(methylsulfamoyl)thiophene-2-carboxylic acid;5-chloro-3-(N-methylsulfamoyl)thiophene-2-carboxylic acid;5-Chloro-3-[(methylamino)sulfonyl]-2-thiophenecarboxylic acid;2-Thiophenecarboxylic acid, 5-chloro-3-[(methylamino)sulfonyl]-
CBNumber:
CB02741855
Molecular Formula:
C6H6ClNO4S2
Molecular Weight:
255.7
MOL File:
70374-36-6.mol
Modify Date:
2023/5/15 10:43:56

Lornoxicam Impurity 9 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

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H332-H302-H312
Precautionary statements  P264-P270-P301+P312-P330-P501-P280-P302+P352-P312-P322-P363-P501-P261-P271-P304+P340-P312

Lornoxicam Impurity 9 Chemical Properties,Uses,Production

Uses

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

Lornoxicam Impurity 9 Preparation Products And Raw materials

Raw materials

Preparation Products

Lornoxicam Impurity 9 Suppliers

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 70374-36-6