Sparsentan, sold under the brand name Filspari. A medication used to reduce the levels of protein in urine in patients with poor kidney function. Reference standards of Sparsentan API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
Sparsentan
Catalogue No.:PA 19 2310000
CAS :
Molecular Formula : C32H40N4O5S
Molecular Weight : 592.76
Sparsentan Hydroxy Impurity
Catalogue No.:PA 19 2311000
Molecular Formula : C21H24N2O5S
Molecular Weight : 416.49
N-(4,5-Dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-4'-(hydroxymethyl)-N-(methoxymethyl)-[1,1'-biphenyl]-2-sulfonamide
Catalogue No.:PA 19 2311001
Molecular Formula : C23H28N2O6S
Molecular Weight : 460.55
Sparsentan Ethoxy Methyl Acid Impurity Triethylamine Salt
Catalogue No.:PA 19 2311002
Molecular Formula : C29H41N3O7S
Molecular Weight : 575.72
Sparsentan Open Ring Impurity
Catalogue No.:PA 19 2311003
Molecular Formula : C32H42N4O6S
Molecular Weight : 610.77
Sparsentan Methyl Impurity
Catalogue No.:PA 19 2311004
Molecular Formula : C30H36N4O4S
Molecular Weight : 548.7
Sparsentan N,N-Dimethyl Impurity
Catalogue No.:PA 19 2311005
Molecular Formula : C25H33N3O5S
Molecular Weight : 487.62
4'-((2-Butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-(ethoxymethyl)-N-(methoxymethyl)-[1,1'-biphenyl]-2-sulfonamide
Catalogue No.:PA 19 2311006
Molecular Formula : C34H44N4O6S
Molecular Weight : 636.81
Ethyl 2'-(N-(4,5-dimethylisoxazol-3-yl)-N-(methoxymethyl)sulfamoyl)-2-(ethoxymethyl)-[1,1'-biphenyl]-4-carboxylate
Catalogue No.:PA 19 2311007
Molecular Formula : C25H30N2O7S
Molecular Weight : 502.58
4'-((2-Butyl-4-oxo-1,3-diazaspiro[4.4]non-1-en-3-yl)methyl)-N-(4,5-dimethylisoxazol-3-yl)-2'-formyl-[1,1'-biphenyl]-2-sulfonamide
Catalogue No.:PA 19 2311008
Molecular Formula : C30H34N4O5S
Molecular Weight : 562.69
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