Tadalafil

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Pharmaceutical Reference Standards

Tadalafil

CAT. No.	CP-T31000
CAS. No.	171596-29-5
Mol. F.	C22H19N3O4
Mol. Wt.	389.41
Stock Status:	In Stock

Tadalafil EP Impurity A

CAT. No.	CP-T31001
CAS. No.	171596-27-3
Mol. F.	C22H19N3O4
Mol. Wt.	389.41
Stock Status:	In Stock

Tadalafil EP Impurity B

CAT. No.	CP-T31002
CAS. No.	629652-72-8
Mol. F.	C22H19N3O4
Mol. Wt.	389.41
Stock Status:	In Stock

Tadalafil EP Impurity C

CAT. No.	CP-T31003
CAS. No.	NA
Mol. F.	C22H19N3O4 : HCl : 3(H2O)
Mol. Wt.	389.41 : 36.5 : 3(18.0)
Stock Status:	In Stock

Rel. Cas No: 171596-28-4 (free base)

Tadalafil EP Impurity D

CAT. No.	CP-T31004
CAS. No.	NA
Mol. F.	C22H19N3O6
Mol. Wt.	421.41
Stock Status:	Custom Synthesis

Tadalafil EP Impurity E

CAT. No.	CP-T31005
CAS. No.	1978322-99-4
Mol. F.	C22H19N3O6
Mol. Wt.	421.41
Stock Status:	Custom Synthesis

Tadalafil EP Impurity F

CAT. No.	CP-T31006
CAS. No.	2747958-44-5
Mol. F.	C22H19N3O6
Mol. Wt.	421.41
Stock Status:	Custom Synthesis

Tadalafil EP Impurity G

CAT. No.	CP-T31007
CAS. No.	2520114-46-7
Mol. F.	C22H17N3O5
Mol. Wt.	403.4
Stock Status:	Custom Synthesis

Tadalafil EP Impurity H

CAT. No.	CP-T31008
CAS. No.	1978322-98-3
Mol. F.	C22H19N3O6
Mol. Wt.	421.4
Stock Status:	Custom Synthesis

N-Nitroso Tadalafil Impurity 1

CAT. No.	CP-T31009
CAS. No.	NA
Mol. F.	C22H18N4O5
Mol. Wt.	418.41
Stock Status:	Please Enquire

Chloropretadalafil

CAT. No.	CP-T31011
CAS. No.	171489-59-1
Mol. F.	C22H19ClN2O5
Mol. Wt.	426.85
Stock Status:	In Stock

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

CAT. No.	CP-T31012
CAS. No.	2058231-08-4
Mol. F.	C21H17ClN2O5
Mol. Wt.	412.83
Stock Status:	In Stock

N-Nitroso Tadalafil Impurity 5

CAT. No.	CP-T31013
CAS. No.	NA
Mol. F.	C20H16N4O6
Mol. Wt.	408.37
Stock Status:	Please Enquire

N-Nitroso Tadalafil Chloroacetyl

CAT. No.	CP-T31014
CAS. No.	NA
Mol. F.	C22H18ClN3O6
Mol. Wt.	455.85
Stock Status:	Please Enquire

N-Nitroso Tadalafil Impurity 2

CAT. No.	CP-T31015
CAS. No.	NA
Mol. F.	C12H13N3O3
Mol. Wt.	247.25
Stock Status:	Please Enquire

N-Nitroso Tadalafil Impurity 3

CAT. No.	CP-T31016
CAS. No.	NA
Mol. F.	C20H17N3O5
Mol. Wt.	379.37
Stock Status:	Please Enquire

N-Nitroso Tadalafil Impurity 4

CAT. No.	CP-T31017
CAS. No.	NA
Mol. F.	C20H17N3O5
Mol. Wt.	379.37
Stock Status:	Custom Synthesis

Tadalafil Acid Impurity

CAT. No.	CP-T31018
CAS. No.	406938-39-4
Mol. F.	C19H16N2O4
Mol. Wt.	336.35
Stock Status:	In Stock

Rel. Cas No: 474668-76-3 (HCl salt)

Tadalafil Impurity 10

CAT. No.	CP-T31019
CAS. No.	495-76-1
Mol. F.	C8H8O3
Mol. Wt.	152.15
Stock Status:	In Stock

Tadalafil EP Impurity A & C Mixture

CAT. No.	CP-T31020
CAS. No.	NA
Mol. F.	C22H19N3O4
Mol. Wt.	389.41
Stock Status:	Custom Synthesis

Tadalafil EP Impurity I

CAT. No.	CP-T31021
CAS. No.	2378614-29-8
Mol. F.	C22H19N3O5
Mol. Wt.	405.4
Stock Status:	Custom Synthesis

Tadalafil N-Desmethyl N-Amino Impurity

CAT. No.	CP-T31022
CAS. No.	1093940-69-2
Mol. F.	C21H18N4O4
Mol. Wt.	390.3
Stock Status:	Custom Synthesis

Tadalafil Impurity 19

CAT. No.	CP-T31023
CAS. No.	14907-27-8
Mol. F.	C12H14N2O2 : HCl
Mol. Wt.	218.3 : 36.46
Stock Status:	Custom Synthesis

Rel. Cas No: 22032-65-1 (free base)

Tadalafil Impurity 1

CAT. No.	CP-T31024
CAS. No.	171752-68-4
Mol. F.	C20H18N2O4 : HCl
Mol. Wt.	350.4 : 36.46
Stock Status:	Custom Synthesis

Rel. Cas No: 171596-41-1 (free base)

Tadalafil Impurity 2

CAT. No.	CP-T31025
CAS. No.	171596-43-3
Mol. F.	C20H18N2O4
Mol. Wt.	350.4
Stock Status:	Custom Synthesis

Tadalafil Impurity 3

CAT. No.	CP-T31026
CAS. No.	2520114-84-3
Mol. F.	C21H19N3O4
Mol. Wt.	377.4
Stock Status:	Custom Synthesis

Tadalafil Impurity 5

CAT. No.	CP-T31027
CAS. No.	1797099-86-5
Mol. F.	C21H19N3O4
Mol. Wt.	377.4
Stock Status:	Custom Synthesis

Tadalafil Impurity 6

CAT. No.	CP-T31028
CAS. No.	20850-43-5
Mol. F.	C8H7ClO2
Mol. Wt.	170.59
Stock Status:	Custom Synthesis

Tadalafil Impurity 7

CAT. No.	CP-T31029
CAS. No.	749864-17-3
Mol. F.	C20H18N2O4
Mol. Wt.	350.4
Stock Status:	Custom Synthesis

Tadalafil Impurity 9

CAT. No.	CP-T31030
CAS. No.	7797-83-3
Mol. F.	C8H6O3
Mol. Wt.	150.1
Stock Status:	Custom Synthesis

Tadalafil Impurity 11

CAT. No.	CP-T31031
CAS. No.	769-30-2
Mol. F.	C8H8O3
Mol. Wt.	152.1
Stock Status:	Custom Synthesis

Tadalafil Impurity 12

CAT. No.	CP-T31032
CAS. No.	326-61-4
Mol. F.	C10H10O4
Mol. Wt.	194.2
Stock Status:	Custom Synthesis

Tadalafil Impurity 15

CAT. No.	CP-T31033
CAS. No.	23434-88-0
Mol. F.	C17H23NO3
Mol. Wt.	289.4
Stock Status:	Custom Synthesis

Nor-Tadalafil

CAT. No.	CP-T31034
CAS. No.	171596-36-4
Mol. F.	C21H17N3O4
Mol. Wt.	375.4
Stock Status:	Custom Synthesis

Tadalafil Impurity 16

CAT. No.	CP-T31035
CAS. No.	951661-82-8
Mol. F.	C20H19N3O3
Mol. Wt.	349.4
Stock Status:	Custom Synthesis

Tadalafil Impurity 17

CAT. No.	CP-T31036
CAS. No.	951661-84-0
Mol. F.	C22H20ClN3O4
Mol. Wt.	425.9
Stock Status:	Custom Synthesis

Desmethylene Tadalafil

CAT. No.	CP-T31037
CAS. No.	171489-03-5
Mol. F.	C21H19N3O4
Mol. Wt.	377.4
Stock Status:	Custom Synthesis

Tadalafil Impurity 18

CAT. No.	CP-T31038
CAS. No.	2169996-11-4
Mol. F.	C24H25N3O5
Mol. Wt.	435.5
Stock Status:	Custom Synthesis

(1S, 3S) Open Ring Tadalafil Impurity

CAT. No.	CP-T31039
CAS. No.	629652-42-2
Mol. F.	C22H19ClN2O5
Mol. Wt.	426.9
Stock Status:	Custom Synthesis

Tadalafil Hydroxyl Lactam

CAT. No.	CP-T31040
CAS. No.	951661-81-7
Mol. F.	C22H20ClN3O4
Mol. Wt.	425.9
Stock Status:	Custom Synthesis

Tadalafil Impurity 20

CAT. No.	CP-T31041
CAS. No.	59259-90-4
Mol. F.	C10H12O4
Mol. Wt.	196.2
Stock Status:	Custom Synthesis

a b c d e f g h i j k l m n o p q r s t u v w x y z

Tadalafil

Pharmaceutical Reference Standards

Tadalafil

Tadalafil EP Impurity A

Tadalafil EP Impurity B

Tadalafil EP Impurity C

Tadalafil EP Impurity D

Tadalafil EP Impurity E

Tadalafil EP Impurity F

Tadalafil EP Impurity G

Tadalafil EP Impurity H

N-Nitroso Tadalafil Impurity 1

Chloropretadalafil

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

N-Nitroso Tadalafil Impurity 5

N-Nitroso Tadalafil Chloroacetyl

N-Nitroso Tadalafil Impurity 2

N-Nitroso Tadalafil Impurity 3

N-Nitroso Tadalafil Impurity 4

Tadalafil Acid Impurity

Tadalafil Impurity 10

Tadalafil EP Impurity A & C Mixture

Tadalafil EP Impurity I

Tadalafil N-Desmethyl N-Amino Impurity

Tadalafil Impurity 19

Tadalafil Impurity 1

Tadalafil Impurity 2

Tadalafil Impurity 3

Tadalafil Impurity 5

Tadalafil Impurity 6

Tadalafil Impurity 7

Tadalafil Impurity 9

Tadalafil Impurity 11

Tadalafil Impurity 12

Tadalafil Impurity 15

Nor-Tadalafil

Tadalafil Impurity 16

Tadalafil Impurity 17

Desmethylene Tadalafil

Tadalafil Impurity 18

(1S, 3S) Open Ring Tadalafil Impurity

Tadalafil Hydroxyl Lactam

Tadalafil Impurity 20