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TLC Pharmaceutical Standards

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VARDENAFIL

V-052

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Catalogue Number:	V-052
Compound Name:	Vardenafil USP Related Compound E (N-Desethyl Vardenafil)
Synonyms:	2-(2-ethoxy-5-(piperazin-1-ylsulfonyl)phenyl)-5-methyl-7-propylimidazo[5,1-f][1,2,4]triazin-4(3H)-one
CAS#:	448184-46-1
Alternate CAS#:
Molecular Formula:	C₂₁H₂₈N₆O₄S
Molecular Weight:	460.55

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Pseudo Vardenafil

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C₂₃H₃₂N₆O₄S. HCl

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V-056

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Vardenafil USP Related Compound E-d8 (N-Desethyl Vardenafil-d8)

CAS No. 1184985-26-9

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V-057

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Vardenafil Related Compound 1

CAS No. 224789-21-3

C17H20N4O2

M.W. 312.37

V-058

Pseudo Vardenafil

Acetyl Vardenafil

CAS No. 1261351-28-3

C₂₅H₃₄N₆O₃

M.W. 466.59

V-059

Pseudo Vardenafil

Norneo Vardenafil

CAS No. 358390-39-3

C₁₈H₂₀N₄O₄

M.W. 356.38

V-0510

Pseudo Vardenafil

Hydroxythio Vardenafil

CAS No. 912576-30-8

C₂₃H₃₂N₆O₄S₂

M.W. 520.67

V-0511

Pseudo Vardenafil

Vardenafil Impurity 1

CAS No. 1417529-67-9

C₁₇H₁₈N₄O₄

M.W. 342.36

V-0512

Pseudo Vardenafil

Vardenafil Impurity 2

CAS No. 1417529-69-1

C₂₃H₃₀N₆O₆S

M.W. 518.59

V-0513

Pseudo Vardenafil

Vardenafil EP Impurity A

CAS No. 2169247-39-4

C₂₁H₂₈N₆O₄S

M.W. 460.55

V-0514

Pseudo Vardenafil

Vardenafil Impurity 19

CAS No. 879-57-2

C₉H₁₂N₂O₂

M.W. 180.21

V-0516

Pseudo Vardenafil

Vardenafil Impurity 3

CAS No. 1255919-01-7

C₂₆H₃₀N₆O₄S

M.W. 522.62

V-0517

Pseudo Vardenafil

Vardenafil EP Impurity C (Vardenafil Dimer)

CAS No. 1255919-03-9

C₃₈H₄₆N₁₀O₈S₂

M.W. 834.97

V-0518

Pseudo Vardenafil

Vardenafil Oxopiperazine

CAS No. 448184-58-5

C₂₁H₂₆N₆O₅S

M.W. 474.54

V-0519

Pseudo Vardenafil

Vardenafil Acetyl Analogue

C₂₄H₃₁N₅O₃

M.W. 437.54

V-0520

Pseudo Vardenafil

Vardenafil Hydroxy Impurity

C23H32N6O5S

M.W. 504.61

V-0521

Pseudo Vardenafil

Vardenafil Hydroxy Impurity-D5

C23H27N6O5SD5

M.W. 509.64

V-0522

Pseudo Vardenafil

Vardenafil USP Related Compound D (Vardenafil N-Oxide)

CAS No. 448184-48-3

C₂₃H₃₂N₆O₅S

M.W. 504.61

V-0523

Pseudo Vardenafil

Vardenafil Impurity 4

CAS No. 448184-56-3

C21H26N6O7S

M.W. 506.54

V-0524

Pseudo Vardenafil

Vardenafil HCl Trihydrate

CAS No. 330808-88-3

C23H32N6O4S. HCl. 3H2O

M.W. 488.61 36.46 3 18.02

V-0525

Pseudo Vardenafil

Vardenafil Impurity 5

C₁₇H₂₂N₄O₃

M.W. 330.39

V-0526

Pseudo Vardenafil

Acetylvardenafil-d5

C25H29N6O3D5

M.W. 471.62

V-0527

Pseudo Vardenafil

Pseudo Vardenafil-d5

CAS No. 224788-34-5 (non-d)

C22H24N5O4SD5

M.W. 464.60

V-0528

Pseudo Vardenafil

N-Desethyl-N-Methyl Vardenafil

CAS No. 224785-87-9

C₂₂H₃₀N₆O₄S

M.W. 474.58

V-0529

Pseudo Vardenafil

O-Desethyl Vardenafil

CAS No. 2411340-39-9

C₂₁H₂₈N₆₄S

M.W. 460.55

V-0530

Pseudo Vardenafil

Vardenafil EP Impurity B

CAS No. 437717-43-6

C₁₇H₂₀N₄O₅S

M.W. 392.43

V-0534

Pseudo Vardenafil

Vardenafil Impurity 9

CAS No. 2520113-45-3

C₁₇H₂₀N₄O₄S₂

M.W. 408.49

V-0531

Pseudo Vardenafil

Vardenafil Impurity 6

CAS No. 2520113-36-2

C₂₅H₃₄N₆OS₂

M.W. 498.71

V-0532

Pseudo Vardenafil

Vardenafil Impurity 7

CAS No. 224789-20-2

C₁₅H₁₆N₄O₂

M.W. 284.32

V-0533

Pseudo Vardenafil

Vardenafil Impurity 8

C15H16N4O5S

M.W. 364.38

V-0535

Pseudo Vardenafil

Vardenafil Impurity 10

C16H21ClN4O

M.W. 320.82

V-0536

Pseudo Vardenafil

Vardenafil Impurity 11

C22H33ClN6O3S

M.W. 497.06

V-0537

Pseudo Vardenafil

Vardenafil Impurity 12

C₃₄H₃₈N₈O₆S

M.W. 686.79

V-0538

Pseudo Vardenafil

Vardenafil Impurity 13 HCl

C₉H₁₃N₃O. HCl

M.W. 179.22 36.46

V-0539

Pseudo Vardenafil

Vardenafil Impurity 14

C19H24N4O5S

M.W. 420.48

V-0540

Pseudo Vardenafil

Vardenafil DiHCl

CAS No. 224789-15-5

C₂₃H₃₂N₆O₄S. 2 HCl

M.W. 488.61 2*36.46

V-0541

Pseudo Vardenafil

Vardenafil Impurity 15

CAS No. 1009013-42-6

C₁₉H₂₅N₅O₄S

M.W. 419.163

V-0542

Pseudo Vardenafil

Vardenafil Impurity 16

C₁₆H₁₆N₄O₄

M.W. 328.33

V-0543

Pseudo Vardenafil

Vardenafil Impurity 17

C₂₃H₃₂N₆O₆S

M.W. 520.61

V-0544

Pseudo Vardenafil

Vardenafil Impurity 18

C₂₀H₂₆N₄O₅S

M.W. 434.51

V-0545

Pseudo Vardenafil

Vardenafil Impurity 20

C₁₈H₂₂N₄O₅S

M.W. 406.46

V-0546

Pseudo Vardenafil

Vardenafil Impurity 21 (Mixture of E/Z-Isomers)

CAS No. 68282-25-7

C₁₄H₂₁NO₇

M.W. 315.32

V-0547

Pseudo Vardenafil

Vardenafil Impurity 22 (E-Isomer)

CAS No. 75435-44-8

C₁₄H₂₁NO₇

M.W. 315.32

V-0548

Pseudo Vardenafil

Vardenafil Impurity 23 (Z-Isomer)

CAS No. 75435-43-7

C₁₄H₂₁NO₇

M.W. 315.32

V-0549

Pseudo Vardenafil

Vardenafil Impurity 24

CAS No. 68282-26-8

C₁₀H₁₇NO₄

M.W. 215.25

V-0550

Pseudo Vardenafil

Vardenafil Impurity 25

CAS No. 1339092-18-0

C₂₄H₃₄N₆O₅S

M.W. 518.63

V-0551

Pseudo Vardenafil

Vardenafil Impurity 26

CAS No. 2715106-75-3

C₁₇H₂₀N₄O₂

M.W. 312.37

V-0552

Pseudo Vardenafil

Vardenafil Impurity 27

CAS No. 906420-98-2

C₂₂H₃₀N₆O₅S

M.W. 490.58

V-0553

Pseudo Vardenafil

Vardenafil Impurity 28 (KD-027)

CAS No. 933796-16-8

C₂₅H₃₅N₇O₆S

M.W. 561.66