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Pharmaceutical analytical standards

Active ingredients, pharmacopoeial impurities, metabolites, nitrosamines and labelled standards.

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Results 1,961-1,970 of 59,523

Tadalafil Impurity 65

ImpurityLevels of characterisation
Cat. No.
P-T005-129
Formula
C24H20Cl2N2O6
Family
Tadalafil
Synonyms
Methyl (1S,3R)-1-(1,3-benzodioxol-5-yl)-2,9-bis(2-chloroacetyl)-3,4-dihydro-1H-pyrido[3,4-b]indole-3-carboxylate

Tadalafil Impurity 66

ImpurityLevels of characterisation
Cat. No.
P-T005-130
Formula
C40H35N5O6
Family
Tadalafil
Synonyms
(1R,3R)-1-(1,3-Benzodioxol-5-yl)-2-[(1R,3R)-1-(1,3-benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carbonyl]-N,N-dimethyl-1,3,4,9-tetrahydropyrido[3,4-b]indole-3-carboxamide

Tadalafil Impurity 71

ImpurityLevels of characterisation
Cat. No.
P-T005-135
Formula
C21H20N2O6
Family
Tadalafil
Synonyms
Methyl (2R)-2-[[2-(1,3-benzodioxol-5-yl)-2-hydroxyacetyl]amino]-3-(1H-indol-3-yl)propanoate

Tadalafil Impurity 72 Hydrochloride

ImpurityLevels of characterisation
Cat. No.
P-T005-136
Formula
C22H21N3O5·HCl
Family
Tadalafil
Synonyms
Methyl (1R,3R)-2-(2-aminoacetyl)-1-(1,3-benzodioxol-5-yl)-1,3,4,9-tetrahydropyrido[3,4-b]indole-3-carboxylate hydrochloride

Tadalafil Impurity 75

ImpurityLevels of characterisation
Cat. No.
P-T005-139
Formula
C23H22N4O4
Family
Tadalafil
Synonyms
(2R,8R)-2-(1,3-Benzodioxol-5-yl)-6-methyl-5-(methylamino)-3,6,17-triazatetracyclo[8.7.0.03,8.011,16]heptadeca-1(10),11,13,15-tetraene-4,7-dione

Tadalafil Impurity 76

ImpurityLevels of characterisation
Cat. No.
P-T005-140
Formula
C23H23ClN4O4
Family
Tadalafil
Synonyms
(1R,3R)-1-(1,3-Benzodioxol-5-yl)-2-[2-chloro-2-(methylamino)acetyl]-N-methyl-1,3,4,9-tetrahydropyrido[3,4-b]indole-3-carboxamide

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