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TLC Pharmaceutical Standards

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SILODOSIN

S-2528

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Catalogue Number:	S-2528
Compound Name:	Silodosin Impurity 18
Synonyms:	(R)-3-(7-carbamoyl-5-(2-((2-(2-(2,2,2-trifluoroethoxy)phenoxy)ethyl)amino)propyl)-1H-indol-1-yl)propanoic acid
CAS#:	1384966-05-5
Alternate CAS#:
Molecular Formula:	C₂₅H₂₈F₃N₃O₅
Molecular Weight:	507.51

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Silodosin-d4 Glucuronide Lithium Salt

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Silodosin

Silodosin Metabolite Sodium Salt

CAS No. 2052161-52-9

C₂₅H₂₉F₃N₃O₅. Na

M.W. 508.52 22.99

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Silodosin Dehydro Impurity

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C₂₅H₃₀F₃N₃O₄

M.W. 493.53

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Silodosin Impurity 2 DiHCl (Silodosin 7-Carbonitrile DiHCl)

C₂₅H₃₀F₃N₃O₃. 2 HCl

M.W. 477.53 2*36.46

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Silodosin

Silodosin Impurity 3 (Dimer Impurity) DiHCl

C₃₅H₄₁F₆N₃O₆. 2 HCl

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S-2534

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Silodosin Impurity 25

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M.W. 223.07

S-2510

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Silodosin Impurity 19 HCl

C₂₂H₂₅N₃O₂. HCl

M.W. 363.46 36.46

S-2511

Silodosin

rac-Silodosin

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C₂₅H₃₂F₃N₃O₄

M.W. 495.54

S-2535

Silodosin

Silodosin Impurity 26

CAS No. 1803448-61-4

C₁₆H₁₁BrN₂O

M.W. 327.18

S-2512

Silodosin

Silodosin Impurity 5 DiHCl (Mixture of Diastereomers)

C₂₅H₃₂F₃N₃O₅. 2 HCl

M.W. 511.55 2 36.46

S-2513

Silodosin

Silodosin Impurity 6 HCl

CAS No. 160970-86-5 (free base)

C27H34F3N3O5. HCl

M.W. 537.58 36.46

S-2514

Silodosin

Silodosin Impurity 7 DiHCl

C₂₂H₂₆F₃N₃O₃. 2 HCl

M.W. 437.46 2*36.46

S-2515

Silodosin

Silodosin Metabolite-d4

C25H26F3N3O5D4

M.W. 513.55

S-2516

Silodosin

Silodosin Impurity 8

CAS No. N/A

C33H36F3N3O4

M.W. 595.67

S-2517

Silodosin

Dehydro Silodosin KSM-1 L-Tartrate

C₂₂H₂₃N₃O₂. C₄H₆O₆

M.W. 361.45 150.09

S-2518

Silodosin

Silodosin Impurity 9

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C22H23N3O4

M.W. 393.44

S-2519

Silodosin

Silodosin Impurity 10

C24H33N3O4

M.W. 427.55

S-2520

Silodosin

Silodosin Impurity 11

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C25H35N3O4

M.W. 441.57

S-2521

Silodosin

Silodosin Impurity 12

C33H40F3N3O6

M.W. 631.69

S-2522

Silodosin

Silodosin-D-Glucuronide Ditrifluoroacetate

C₃₁H₄₀F₃N₃O₁₀. 2 C₂HF₃O₂

M.W. 671.67 2*114.02

S-2523

Silodosin

Silodosin Impurity 13 HCl

C₂₂H₂₄F₃N₃O₃. HCl

M.W. 435.45 36.46

S-2524

Silodosin

Silodosin Impurity 14

C25H28F3N3O3

M.W. 475.51

S-2525

Silodosin

Silodosin Impurity 15

C26H33F3N2O5

M.W. 510.55

S-2526

Silodosin

Silodosin Impurity 16

C₂₅H₃₀F₃N₃O₃

M.W. 477.53

S-2527

Silodosin

Silodosin Impurity 17

C25H30F3N3O5

M.W. 509.53

S-2529

Silodosin

Silodosin Impurity 20

CAS No. 1201180-97-3

C₂₂H₂₅N₃O₂

M.W. 363.46

S-2530

Silodosin

Silodosin Impurity 21

CAS No. 1025922-97-7

C24H31F3N2O3

M.W. 452.52

S-2531

Silodosin

Silodosin Impurity 22

CAS No. 239463-72-0; 1650544-80-1 (Tartaric Acid Salt)

C22H25N3O2

M.W. 363.46

S-2532

Silodosin

Silodosin Impurity 23

C₁₂H₁₃N₃

M.W. 199.26

S-2533

Silodosin

Silodosin Impurity 24

C₁₂H₁₅N₃

M.W. 201.27

S-2536

Silodosin

Silodosin Impurity 27

CAS No. 1803448-63-6

C₁₉H₁₆N₂O₂

M.W. 304.35

S-2537

Silodosin

Silodosin Impurity 28

C₁₉H₁₉N₃O

M.W. 305.38

S-2538

Silodosin

Silodosin Impurity 29

C₁₂H₁₅N₃

M.W. 201.27

S-2539

Silodosin

Silodosin Impurity 30

C₁₉H₁₇N₃O

M.W. 303.37

S-2540

Silodosin

Silodosin Impurity 31

C₁₂H₁₃N₃

M.W. 199.26

S-2541

Silodosin

Silodosin Impurity 32

CAS No. 1251924-67-0

C₁₀H₉F₃O₄

M.W. 250.17

S-2542

Silodosin

Silodosin Impurity 33

CAS No. 1436922-02-9

C₃₂H₃₆F₃N₃O₅. HCl

M.W. 599.65 35.98

S-2543

Silodosin

Silodosin Impurity 34

C₅₁H₆₄F₆N₆O₈

M.W. 1003.10

S-2544

Silodosin

Silodosin Impurity 35

CAS No. 160969-03-9

C₁₁H₁₃F₃O₅S

M.W. 314.28

S-2545

Silodosin

Silodosin Impurity 36

CAS No. 885340-11-4

C₃₂H₃₄F₃N₃O₄

M.W. 581.64

S-2546

Silodosin

Silodosin Impurity 37

CAS No. 885340-14-7

C₄₂H₄₃F₆N₃O₆

M.W. 799.81

S-2547

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Silodosin Impurity 38

CAS No. 1401991-17-0

C₁₅H₂₁N₃O

M.W. 259.35

S-2548

Silodosin

Silodosin Impurity 39

C₂₅H₃₂F₃N₃O₅

M.W. 511.54

S-2549

Silodosin

Silodosin Impurity 40

C₂₇H₃₄F₃N₃O₅

M.W. 537.58

S-2550

Silodosin

Silodosin Impurity 7

CAS No. 2755910-23-5

C₂₂H₂₆F₃N₃O₃

M.W. 437.46

S-2551

Silodosin

rac-Dehydro Silodosin KSM-1

CAS No. 1639265-44-3

C₂₂H₂₃N₃O₂

M.W. 361.45

S-2552

Silodosin

Silodosin Impurity 41 DiHCl

C₂₅H₃₀F₃N₃O₃. 2 HCl

M.W. 477.53 2*36.46

S-2553

Silodosin

N-Nitroso Silodosin

C₂₅H₃₁F₃N₄O₅

M.W. 524.54

S-2554

Silodosin

Silodosin Impurity 42

C₃₂H₃₃F₃N₄O₅

M.W. 610.63

S-2555

Silodosin

N-Nitroso Silodosin Impurity 43

C₂₅H₂₉F₃N₄O₄

M.W. 506.53

S-2556

Silodosin

N-Acetyl Silodosin

C₂₇H₃₄F₃N₃O₅

M.W. 537.58

S-2557

Silodosin

Silodosin Impurity 6 DiHCl

C₂₇H₃₄F₃N₃O₅. 2HCl

M.W. 537.58 2*36.46

S-2558

Silodosin

Silodosin Impurity 44

CAS No. 1431373-77-1

C₂₅H₃₁F₃N₂O₅

M.W. 496.53

S-2559

Silodosin

Silodosin Impurity 6 (S-Isomer)

C₂₇H₃₄F₃N₃O₅

M.W. 537.58

S-2560

Silodosin

N-Nitroso KSM-II

C₉H₁₄BN₃O₃

M.W. 223.04

S-2561

Silodosin

Silodosin Impurity 45

CAS No. 2077962-88-8

C₂₅H₃₂F₃N₃O₅

M.W. 511.54

S-2562

Silodosin

Silodosin Impurity 46

C₂₂H₂₇N₃O₄

M.W. 397.47

S-2563

Silodosin

N-Nitroso Silodosin-d4

C₂₅H₂₈D₄F₃N₅O₄

M.W. 527.58