TLC Pharmaceutical Standards

TLC Pharmaceutical Standards

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ENTECAVIR

E-2331

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Catalogue Number:	E-2331
Compound Name:	(1S,3S,4R)-Entecavir
Synonyms:	2-amino-9-((1S,3S,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl)-1,9-dihydro-6H-purin-6-one
CAS#:	1367369-79-6
Alternate CAS#:
Molecular Formula:	C12H15N5O3
Molecular Weight:	277.28

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M.W. 277.29 36.46

E-2316

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E-2329

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C52H49N5O5

M.W. 824.00

E-2330

Entecavir-d2

Entecavir Impurity 11

C52H49N5O5

M.W. 824.00

E-2332

Entecavir-d2

Entecavir Impurity 12

C₃₂H₃₃N₅O₄

M.W. 551.65

E-2333

Entecavir-d2

Entecavir Impurity 13

C₃₂H₃₃N₅O₄

M.W. 551.65

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Entecavir-d2

Entecavir Impurity 14

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Entecavir Impurity 15

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M.W. 273.25

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E-2337

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E-2344

Entecavir-d2

Entecavir Impurity 23

C15H19N5O5

M.W. 349.35

E-2345

Entecavir-d2

Entecavir Impurity 24

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M.W. 349.35

E-2346

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Entecavir Impurity 25

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M.W. 349.35

E-2347

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E-2348

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Entecavir Impurity 27

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M.W. 823.99

E-2349

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E-2359

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Entecavir Impurity 38

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E-2360

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E-2361

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M.W. 310.39

E-2362

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Entecavir Impurity 41

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C₅₁H₄₇N₅O₄

M.W. 793.97

E-2363

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Entecavir Impurity 42

CAS No. 1661867-19-1

C₅₂H₄₇N₅O₃

M.W. 789.98

E-2364

Entecavir-d2

Entecavir Impurity 43

C₃₃H₃₃N₅O₃

M.W. 547.66

E-2365

Entecavir-d2

Entecavir Impurity 44

C₅₂H₄₇N₅O₃

M.W. 789.98

E-2366

Entecavir-d2

Entecavir Impurity 45

C₃₃H₃₃N₅O₃

M.W. 547.66

E-2367

Entecavir-d2

Entecavir Impurity 46

C₅₂H₄₇N₅O₃

M.W. 789.98

E-2368

Entecavir-d2

Entecavir Impurity 47

C₃₃H₃₃N₅O₃

M.W. 547.66

E-2369

Entecavir-d2

Entecavir Impurity 48

C₅₂H₄₇N₅O₃

M.W. 789.98

E-2370

Entecavir-d2

Entecavir Impurity 49

C₃H₃₃N₅O₃

M.W. 547.66

E-2371

Entecavir-d2

Entecavir Impurity 50

C₅₂H₄₇N₅O₃

M.W. 789.98

E-2372

Entecavir-d2

Entecavir Impurity 51

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M.W. 791.95

E-2373

Entecavir-d2

Entecavir Impurity 52

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M.W. 791.95

E-2374

Entecavir-d2

Entecavir Impurity 53

C₅₁H₄₅N₅O₄

M.W. 791.95

E-2375

Entecavir-d2

Entecavir Impurity 54

C₅₁H₄₇N₅O₄

M.W. 793.97

E-2376

Entecavir-d2

Entecavir Impurity 55

C₅₁H₄₇N₅O₄

M.W. 793.97

E-2377

Entecavir-d2

Entecavir Impurity 56

C₁₃H₁₇N₅O₄

M.W. 307.31

E-2378

Entecavir-d2

Entecavir Impurity 57

C₃₂H₃₃N₅O₄

M.W. 551.65

E-2379

Entecavir-d2

Entecavir Impurity 58

C₃₂H₃₃N₅O₄

M.W. 551.65

E-2380

Entecavir-d2

Entecavir Impurity 59

C₃₂H₃₃N₅O₄

M.W. 551.65

E-2381

Entecavir-d2

Entecavir Impurity 60

C₃₂H₃₃N₅O₄

M.W. 551.65

E-2382

Entecavir-d2

Entecavir Impurity 61

C₅₁H₄₇N₅O₄

M.W. 793.97

E-2383

Entecavir-d2

Entecavir Impurity 62

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C₂₆H₂₇N₅O₃

M.W. 457.53

E-2384

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Entecavir Impurity 63

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C₂₆H₂₇N₅O₃

M.W. 457.53

E-2385

Entecavir-d2

Entecavir Impurity 64

CAS No. 1354695-85-4

C₂₆H₂₇N₅O₃

M.W. 457.53

E-2386

Entecavir-d2

Entecavir Impurity 65

C₃₂H₃₃N₅O₄

M.W. 551.65

E-2387

Entecavir-d2

Entecavir Impurity 66

CAS No. 156422-39-8

C₁₉H₁₇N₅O

M.W. 331.38