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Tadalafil
/ Tadalafil stage-I Impurity-E
Tadalafil stage-I Impurity-E
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CAS NO.
1207956-10-2
Molecular weight
336.34
Molecular formula
C19H16N2O4
Appearance
PALE YELLOW SOLID
Synonyms
-(1S,3R)-1,2,3,4-tetrahydro-1-(3 ,4-ethylenedioxyphenyl)-9H-pyrido[3,4- b]indole-3-carboxylic acid (Stage-II Trans acid)
Related products
S,S Isomer Tadalafil stage-I
CAS NO.
NA
Mol. W.
350.36
Mol. F.
C20H18N2O4
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L-Tadalafil stage-II, Tadalafil stage-II Chloro acetyl intermediate S,S isomer
CAS NO.
NA
Mol. W.
426.84
Mol. F.
C22H19ClN2O5
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Tadalafil Stage-I ethyl ester impurity
CAS NO.
NA
Mol. W.
364.39
Mol. F.
C21H20N2O4
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Tadalafil Impurity-II
CAS NO.
171489-59-1
Mol. W.
426.84
Mol. F.
C22H19ClN2O5
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