1-Methyl-4-Nitro-3-Propylpyrazole-5-Carboxamide
CAS No: 139756-01-7
Molecular Formula: C8H12N4O3
Molecular Weight: 212.21
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Sildenafil Acid Impurity
CAS No: ?139756-00-6?
Molecular Formula: C8H11N3O4
Molecular Weight: 213.19
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Sildenafil Amino Amide Impurity
CAS No: 139756-02-8
Molecular Formula: C8H14N4O?
Molecular Weight: 182.22?
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Sildenafil EP Impurity A
CAS No: ?NA?
Molecular Formula: C23H32N6O4S?
Molecular Weight: ?488.6?
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Sildenafil EP Impurity B
CAS No: ?1094598-75-0?
Molecular Formula: C22H30N6O5S?
Molecular Weight: 490.58?
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Sildenafil EP Impurity C
CAS No: 139755-91-2?
Molecular Formula: ?C20H26N6O4S?
Molecular Weight: 446.52?
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Sildenafil EP Impurity D
CAS No: 1357931-55-5?
Molecular Formula: C17H20N4O5S?
Molecular Weight: ?392.43?
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Sildenafil Impurity F
CAS No: ?NA
Molecular Formula: C8H14N4O2
Molecular Weight: 198.22
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Sildenafil N-Desmethyl Metabolite
CAS No: 139755-82-1?
Molecular Formula: C21H28N6O4S?
Molecular Weight: 460.55?
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