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Pharmaceutical Reference Standards / Impurity Standards

Tadalafil

Tadalafil

CAT. No.T090000
CAS. No.171596-29-5
Mol. F.C22H19N3O4
Mol. W.389.40 g/mol
Stock Status:Instock

Tadalafil

Tadalafil

CAT. No.T090000A
CAS. No.171596-29-5
Mol. F.C22H19N3O4
Mol. W.389.40 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity A

Tadalafil Impurity A

CAT. No.T090001
CAS. No.26384-48-5
Mol. F.C15H15N3O2
Mol. W.257.28 g/mol
Stock Status:Instock

Nor-Tadalafil

Nor-Tadalafil

CAT. No.T090003
CAS. No.171596-36-4
Mol. F.C21H17N3O4
Mol. W.375.37 g/mol
Stock Status:Instock

Tadalafil Impurity D

Tadalafil Impurity D

CAT. No.T090004
CAS. No.171596-44-4 (free base)
Mol. F.C20H19ClN2O4
Mol. W.386.84 g/mol
Stock Status:Instock

Chloropretadalafil

Chloropretadalafil

CAT. No.T090005
CAS. No.171489-59-1
Mol. F.C22H19ClN2O5
Mol. W.426.85 g/mol
Stock Status:Instock

Tadalafil EP Impurity C

Tadalafil EP Impurity C

CAT. No.T090006
CAS. No.171596-28-4
Mol. F.C22H19N3O4
Mol. W.389.44 g/mol
Stock Status:Instock

Tadalafil EP Impurity B

Tadalafil EP Impurity B

CAT. No.T090007
CAS. No.629652-72-8
Mol. F.C22H19N3O4
Mol. W.389.40 g/mol
Stock Status:Instock

Tadalafil EP Impurity A

Tadalafil EP Impurity A

CAT. No.T090008
CAS. No.171596-27-3
Mol. F.C22H19N3O4
Mol. W.389.44 g/mol
Stock Status:Instock

Tadalafil EP Impurity I

Tadalafil EP Impurity I

CAT. No.T090009
CAS. No.2378614-29-8
Mol. F.C22H19N3O5
Mol. W.405.40 g/mol
Stock Status:Instock

Tadalafil EP Impurity D

Tadalafil EP Impurity D

CAT. No.T090011
CAS. No.NA
Mol. F.C22H19N3O6
Mol. W.421.40 g/mol
Stock Status:Custom Synthesis

Tadalafil EP Impurity E

Tadalafil EP Impurity E

CAT. No.T090012
CAS. No.2520114-41-2
Mol. F.C22H19N3O6
Mol. W.421.40 g/mol
Stock Status:Instock

Tadalafil EP Impurity F

Tadalafil EP Impurity F

CAT. No.T090013
CAS. No.2747958-44-5
Mol. F.C22H19N3O6
Mol. W.421.40 g/mol
Stock Status:Custom Synthesis

Tadalafil EP Impurity G

Tadalafil EP Impurity G

CAT. No.T090014
CAS. No.2520114-46-7
Mol. F.C22H17N3O5
Mol. W.403.40 g/mol
Stock Status:Limited Stock

Tadalafil EP Impurity H

Tadalafil EP Impurity H

CAT. No.T090015
CAS. No.1346605-38-6
Mol. F.C22H19N3O6
Mol. W.421.40 g/mol
Stock Status:Under Synthesis

Desmethylene Tadalafil

Desmethylene Tadalafil

CAT. No.T090016
CAS. No.171489-03-5
Mol. F.C21H19N3O4
Mol. W.377.39 g/mol
Stock Status:Instock

(1R,3S)-Methyl1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate

(1R,3S)-Methyl1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate

CAT. No.T090017
CAS. No.171596-44-4
Mol. F.C39H40N4O5
Mol. W.644.76 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 2

Tadalafil Impurity 2

CAT. No.T090019
CAS. No.171596-43-3
Mol. F.C20H18N2O4
Mol. W.350.37 g/mol
Stock Status:Custom Synthesis

Tadalafil KSM Impurity 3

Tadalafil KSM Impurity 3

CAT. No.T090020
CAS. No.171596-42-2
Mol. F.C20H18N2O4
Mol. W.350.37 g/mol
Stock Status:Custom Synthesis

Methyl(2R)-2-(2-chloroacetamido)-3-(1H-indol-3-yl)propanoate

Methyl(2R)-2-(2-chloroacetamido)-3-(1H-indol-3-yl)propanoate

CAT. No.T090021
CAS. No.NA
Mol. F.C14H15ClN2O3
Mol. W.294.73 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 1 Hydrochloride

Tadalafil Impurity 1 Hydrochloride

CAT. No.T090026
CAS. No.171752-68-4
Mol. F.C20H19ClN2O4
Mol. W.350.37 g/mol
Stock Status:Custom Synthesis

(1R,3R)-Methyl-1,2,3,4-tetrahydro-1-(3,4-methylenedioxyphenyl)-9H-pyrido[3,4-b]indole-3-carboxylate

(1R,3R)-Methyl-1,2,3,4-tetrahydro-1-(3,4-methylenedioxyphenyl)-9H-pyrido[3,4-b]indole-3-carboxylate

CAT. No.T090027
CAS. No.171596-41-1
Mol. F.C20H18N2O4
Mol. W.350.37 g/mol
Stock Status:Instock

Tadalafil Impurtity 3

Tadalafil Impurtity 3

CAT. No.T090028
CAS. No.629652-40-0
Mol. F.C22H19ClN2O5
Mol. W.426.85 g/mol
Stock Status:Instock

Amino Tadalafil

Amino Tadalafil

CAT. No.T090029
CAS. No.385769-84-6
Mol. F.C21H18N4O4
Mol. W.390.40 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 8

Tadalafil Impurity 8

CAT. No.T090030
CAS. No.NA
Mol. F.C24H20ClN3O5
Mol. W.465.89 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 7

Tadalafil Impurity 7

CAT. No.T090031
CAS. No.749864-17-3
Mol. F.C20H18N2O4
Mol. W.350.37 g/mol
Stock Status:Custom Synthesis

D-tryptophyl-D-tryptophan

D-tryptophyl-D-tryptophan

CAT. No.T090032
CAS. No.58607-72-0
Mol. F.C22H22N4O3
Mol. W.390.44 g/mol
Stock Status:Instock

N-Nitroso Tadalafil

N-Nitroso Tadalafil

CAT. No.T090033
CAS. No.NA
Mol. F.C22H18N4O5
Mol. W.418.40 g/mol
Stock Status:Instock

Tadalafil Chloroacetyl Impurity

Tadalafil Chloroacetyl Impurity

CAT. No.T090034
CAS. No.171489-59-1
Mol. F.C22H19ClN2O5
Mol. W.426.85 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 16

Tadalafil Impurity 16

CAT. No.T090035
CAS. No.951661-82-8
Mol. F.C20H19N3O3
Mol. W.349.38 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 17

Tadalafil Impurity 17

CAT. No.T090036
CAS. No.951661-84-0
Mol. F.C22H20ClN3O4
Mol. W.425.86 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 18

Tadalafil Impurity 18

CAT. No.T090037
CAS. No.2169996-11-4
Mol. F.C24H25N3O5
Mol. W.435.47 g/mol
Stock Status:Custom Synthesis

Tadalafil EP Impurity H

Tadalafil EP Impurity H

CAT. No.T090039
CAS. No.1978322-98-3
Mol. F.C22H19N3O6
Mol. W.421.40 g/mol
Stock Status:Instock

Tadalafil Hydroxypiperidone

Tadalafil Hydroxypiperidone

CAT. No.T090040
CAS. No.1978322-99-4
Mol. F.C22H19N3O6
Mol. W.421.40 g/mol
Stock Status:Custom Synthesis

Tadalafil Hydroxyl Lactam

Tadalafil Hydroxyl Lactam

CAT. No.T090041
CAS. No.951661-81-7
Mol. F.C22H20ClN3O4
Mol. W.425.87 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 21

Tadalafil Impurity 21

CAT. No.T090042
CAS. No.2058231-08-4
Mol. F.C21H17ClN2O5
Mol. W.412.82 g/mol
Stock Status:Custom Synthesis

Tadalafil Acid Impurity

Tadalafil Acid Impurity

CAT. No.T090043
CAS. No.474668-76-3
Mol. F.C19H17ClN2O4
Mol. W.372.81 g/mol
Stock Status:Custom Synthesis

(1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid

(1R,3R)-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid

CAT. No.T090044
CAS. No.406938-39-4
Mol. F.C19H16N2O4
Mol. W.336.34 g/mol
Stock Status:Custom Synthesis

Tadalafil Nitroso Impurity 2

Tadalafil Nitroso Impurity 2

CAT. No.T090046
CAS. No.NA
Mol. F.C12H13N3O3
Mol. W.247.25 g/mol
Stock Status:Custom Synthesis

Tadalafil Nitroso Impurity 4

Tadalafil Nitroso Impurity 4

CAT. No.T090047
CAS. No.NA
Mol. F.C20H17N3O5
Mol. W.379.37 g/mol
Stock Status:Custom Synthesis

Tadalafil Nitroso Impurity 3

Tadalafil Nitroso Impurity 3

CAT. No.T090048
CAS. No.NA
Mol. F.C20H17N3O5
Mol. W.379.37 g/mol
Stock Status:Custom Synthesis

Tadalafil Nitroso Impurity 5

Tadalafil Nitroso Impurity 5

CAT. No.T090049
CAS. No.NA
Mol. F.C20H16N4O6
Mol. W.408.36 g/mol
Stock Status:Custom Synthesis

N-Nitroso Tadalafil Chloroacetyl Impurity

N-Nitroso Tadalafil Chloroacetyl Impurity

CAT. No.T090050
CAS. No.NA
Mol. F.C22H18ClN3O6
Mol. W.455.85 g/mol
Stock Status:Custom Synthesis

methyl1-(benzo[d][1,3]dioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate

methyl1-(benzo[d][1,3]dioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate

CAT. No.T090051
CAS. No.NA
Mol. F.C22H19ClN2O5
Mol. W.426.85 g/mol
Stock Status:Custom Synthesis

Tadalafil Nitroso impurity A

Tadalafil Nitroso impurity A

CAT. No.T090052
CAS. No.NA
Mol. F.C22H18N4O5
Mol. W.418.40 g/mol
Stock Status:Custom Synthesis

Tadalafil Nitroso impurity B

Tadalafil Nitroso impurity B

CAT. No.T090053
CAS. No.NA
Mol. F.C22H18N4O5
Mol. W.418.40 g/mol
Stock Status:Custom Synthesis

Tadalafil Nitroso impurity C

Tadalafil Nitroso impurity C

CAT. No.T090054
CAS. No.NA
Mol. F.C22H18N4O5
Mol. W.418.40 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 19 (S-isomer)

Tadalafil Impurity 19 (S-isomer)

CAT. No.T090055
CAS. No.NA
Mol. F.C12H15ClN2O2
Mol. W.254.71 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 23

Tadalafil Impurity 23

CAT. No.T090056
CAS. No.321862-32-2
Mol. F.C20H14N2O4
Mol. W.346.34 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 25

Tadalafil Impurity 25

CAT. No.T090057
CAS. No.NA
Mol. F.C20H17ClN2O3
Mol. W.368.80 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 24

Tadalafil Impurity 24

CAT. No.T090058
CAS. No.NA
Mol. F.C21H20N2O4
Mol. W.364.39 g/mol
Stock Status:Custom Synthesis

N-Nitroso Tadalafil Acid Impurity

N-Nitroso Tadalafil Acid Impurity

CAT. No.T090059
CAS. No.NA
Mol. F.C19H15N3O5
Mol. W.365.30 g/mol
Stock Status:Custom Synthesis

(1S, 3S) Open Ring Tadalafil Impurity

(1S, 3S) Open Ring Tadalafil Impurity

CAT. No.T090060
CAS. No.629652-42-2
Mol. F.C22H19ClN2O5
Mol. W.426.85 g/mol
Stock Status:Custom Synthesis

Methoxyoxomethyl Tadalafil Dichloride

Methoxyoxomethyl Tadalafil Dichloride

CAT. No.T090061
CAS. No.1598416-08-0
Mol. F.C22H18Cl2N2O5
Mol. W.461.30 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 28

Tadalafil Impurity 28

CAT. No.T090062
CAS. No.1220393-12-3
Mol. F.C22H19N3O5
Mol. W.405.40 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 9

Tadalafil Impurity 9

CAT. No.T090063
CAS. No.NA
Mol. F.C20H18N2O4
Mol. W.350.40 g/mol
Stock Status:Custom Synthesis

Tadalafil Form I

Tadalafil Form I

CAT. No.T090064
CAS. No.171596-29-5
Mol. F.C22H19N3O4
Mol. W.389.40 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurtity 1

Tadalafil Impurtity 1

CAT. No.T090065
CAS. No.1598416-03-5
Mol. F.C38H28N4O6
Mol. W.636.65 g/mol
Stock Status:Custom Synthesis

Tadalafil N-Oxide

Tadalafil N-Oxide

CAT. No.T090066
CAS. No.NA
Mol. F.C22H18N3O5
Mol. W.404.40 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 3

Tadalafil Impurity 3

CAT. No.T090067
CAS. No.2058231-15-3
Mol. F.C22H21N3O5
Mol. W.407.42 g/mol
Stock Status:Custom Synthesis

N-Isopropyl Tadalafil

N-Isopropyl Tadalafil

CAT. No.T090068
CAS. No.171596-30-8
Mol. F.C24H23N3O4
Mol. W.417.46 g/mol
Stock Status:Custom Synthesis

Tadalafil Impurity 19 Hydrochloride

Tadalafil Impurity 19 Hydrochloride

CAT. No.T290008
CAS. No.14907-27-8
Mol. F.C12H14N2O2.HCl
Mol. W.254.71 g/mol
Stock Status:Instock

Metabolites

Tadalafil Methyl Catchelol

Tadalafil Methyl Catchelol

CAT. No.T090018
CAS. No.378788-16-0
Mol. F.C22H21N3O4
Mol. W.391.42 g/mol
Stock Status:Custom Synthesis

(2S,3S,4S,5R,6S)-3,4,5-Trihydroxy-6-(2-methoxy-4-((6R,12aR)-2-methyl-1,4-dioxo-1,2,3,4,6,7,12,12a-octahydropyrazino[1`,2`,1,6]pyrido[3,4-b]indol-6-yl)phenoxy)tetrahydro-2H-pyran-2-carboxylic Acid

(2S,3S,4S,5R,6S)-3,4,5-Trihydroxy-6-(2-methoxy-4-((6R,12aR)-2-methyl-1,4-dioxo-1,2,3,4,6,7,12,12a-octahydropyrazino[1`,2`,1,6]pyrido[3,4-b]indol-6-yl)phenoxy)tetrahydro-2H-pyran-2-carboxylic Acid

CAT. No.T090045
CAS. No.378788-18-2
Mol. F.C28H29N3O10
Mol. W.567.54 g/mol
Stock Status:Custom Synthesis

Isotope Labelled Compounds

Tadalafil-D3

Tadalafil-D3

CAT. No.T090010
CAS. No.960226-55-5
Mol. F.C22H16D3N3O4
Mol. W.392.42 g/mol
Stock Status:Instock

[13C,2H3]-Tadalafil

[13C,2H3]-Tadalafil

CAT. No.T090038
CAS. No.1261364-86-6
Mol. F.C2113CH16D3N3O4
Mol. W.393.42 g/mol
Stock Status:Custom Synthesis