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TLC Pharmaceutical Standards

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DONEPEZIL

D-1317

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Catalogue Number:	D-1317
Compound Name:	Donepezil N-Oxide
Synonyms:	1-benzyl-4-((5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)piperidine 1-oxide
CAS#:	120013-84-5
Alternate CAS#:
Molecular Formula:	C₂₄H₂₉NO₄
Molecular Weight:	395.50

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Donepezil EP Impurity A HCl (Desbenzyl Donepezil HCl)

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C₁₇H₂₃NO₃. HCl

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D-139

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Donepezil EP Impurity B

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C₁₁H₁₂O₃

M.W. 192.21

D-1310

Donepezil-d4 HCl

6-O-Desmethyl Donepezil Glucuronide Sodium Salt (Mixture of Diastereomers)

C₂₉H₃₄NO₉. Na

M.W. 540.59 22.99

D-1311

Donepezil-d4 HCl

Donepezil EP Impurity D (Donepezil Pyridine Analog Impurity)

CAS No. 4803-57-0

C₁₇H₁₇NO₃

M.W. 283.33

D-1312

Donepezil-d4 HCl

Donepezil Impurity 20 Bromide

CAS No. 844694-85-5

C₃₁H₃₆NO₃. Br

M.W. 470.63 79.90

D-1313

Donepezil-d4 HCl

Donepezil Dehydrodeoxy Impurity

CAS No. 120013-45-8

C₂₄H₂₉NO₂

M.W. 363.50

D-1314

Donepezil-d4 HCl

Donepezil Impurity 21

CAS No. 844694-84-4

C₂₄H₃₁NO₂

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D-1315

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Donepezil Impurity 18 (Mixture of Diastereomers)

CAS No. 120012-04-6

C24H31NO3

M.W. 381.52

D-1316

Donepezil-d4 HCl

Donepezil Impurity 17 HCl

CAS No. 2217617-87-1

C₂₄H₂₉NO₅. HCl

M.W. 411.50 36.46

D-1320

Donepezil-d4 HCl

Hydroxy Donepezil (Mixture of Diastereomers)

CAS No. 197010-20-1

C₂₄H₂₉NO₄

M.W. 395.50

D-1322

Donepezil-d4 HCl

Donepezil EP Impurity F (Donepezil USP Related Compound A)

CAS No. 145546-80-1

C₂₄H₂₇NO₃

M.W. 377.48

D-1321

Donepezil-d4 HCl

Donepezil related compound (E/Z mixture)

C₂₄H₂₇NO₃

M.W. 377.49

D-1323

Donepezil-d4 HCl

Donepezil Alkene Pyridine N-Oxide

CAS No. 2452407-68-8

C₁₇H₁₅NO₄

M.W. 297.31

D-1324

Donepezil-d4 HCl

3-Hydroxy Donepezil (Mixture of Diastereomers)

CAS No. 2097683-67-3

C₂₄H₂₉NO₄

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D-1325

Donepezil-d4 HCl

R-Donepezil-d5

C24H24NO3D5

M.W. 384.53

D-1326

Donepezil-d4 HCl

S-Donepezil-d5

C24H24NO3D5

M.W. 384.53

D-1327

Donepezil-d4 HCl

Donepezil Impurity 2

CAS No. 36517-91-6

C₁₁H₁₀O₄

M.W. 206.20

D-1328

Donepezil-d4 HCl

Donepezil Impurity 3

CAS No. 1023500-88-0

C24H27NO4

M.W. 393.48

D-1329

Donepezil-d4 HCl

Donepezil-d5 HCl

C₂₄H₂₄D₅NO₃. HCl

M.W. 384.53 36.46

D-1331

Donepezil-d4 HCl

Donepezil EP Impurity E Bromide

CAS No. 231283-82-2

C₂₄H₂₄NO₃. Br

M.W. 374.46 79.90

D-1330

Donepezil-d4 HCl

Donepezil Impurity 4

C24H29NO3

M.W. 379.50

D-1332

Donepezil-d4 HCl

Donepezil Impurity 6

C31H35NO3

M.W. 469.63

D-1333

Donepezil-d4 HCl

Donepezil Impurity 7 HCl

C₂₄H₂₉NO₄. HCl

M.W. 395.50 36.46

D-1334

Donepezil-d4 HCl

Donepezil Impurity 8

CAS No. 1808997-65-0

C18H23NO4

M.W. 317.38

D-1335

Donepezil-d4 HCl

Donepezil Impurity 9

C26H33NO4

M.W. 423.56

D-1336

Donepezil-d4 HCl

Donepezil EP Impurity A

CAS No. 120014-30-4

C₁₇H₂₃NO₃

M.W. 289.38

D-1337

Donepezil-d4 HCl

Donepezil Impurity 11

C24H27NO3

M.W. 377.49

D-1338

Donepezil-d4 HCl

Donepezil N-Oxide-d5

C₂₄H₂₄D₅NO₄

M.W. 400.53

D-1339

Donepezil-d4 HCl

Donepezil-d7 HCl

CAS No. 1261394-20-0

C₂₄H₂₂D₇NO₃. HCl

M.W. 386.54 36.46

D-1340

Donepezil-d4 HCl

Donepezil N-Oxide-d7 HCl

C24H22D7NO4. HCl

M.W. 402.54 36.46

D-1341

Donepezil-d4 HCl

Donepezil Impurity 12

C10H10O2S

M.W. 194.25

D-1342

Donepezil-d4 HCl

Donepezil EP Impurity G

CAS No. 2452407-72-4

C₂₄H₂₇NO₃

M.W. 377.48

D-1343

Donepezil-d4 HCl

Donepezil Impurity 14

C24H27NO3

M.W. 377.48

D-1344

Donepezil-d4 HCl

Donepezil Impurity 15

C₁₇H₁₅NO₄

M.W. 297.31

D-1345

Donepezil-d4 HCl

Donepezil Impurity 16

C24H29NO3 HCl

M.W. 379.50 36.46

D-1346

Donepezil-d4 HCl

Donepezil Impurity 22

C₂₄H₃₁NO₄

M.W. 397.52

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M.W. 541.60

D-1348

Donepezil-d4 HCl

Donepezil Impurity 23

C₂₄H₂₉NO₄

M.W. 395.50

D-1349

Donepezil-d4 HCl

Donepezil Impurity 24

C₂₄H₂₉NO₄

M.W. 395.50

D-1350

Donepezil-d4 HCl

Donepezil Impurity 25

C₂₄H₂₉NO₄

M.W. 395.50

D-1351

Donepezil-d4 HCl

Donepezil Impurity 26

C₂₄H₂₉NO₄

M.W. 395.50

D-1352

Donepezil-d4 HCl

Donepezil Impurity 27 HCl

C₂₄H₃₁NO₃. HCl

M.W. 381.52 36.46

D-1353

Donepezil-d4 HCl

Donepezil Impurity 28 HCl

CAS No. 608511-39-3

C₂₄H₂₇NO₃. HCl

M.W. 377.49 36.46

D-1354

Donepezil-d4 HCl

Donepezil Impurity 29

CAS No. 149874-80-6

C₂₅H₃₁NO₃

M.W. 393.53

D-1355

Donepezil-d4 HCl

Donepezil Impurity 30

CAS No. 149874-81-7

C₂₅H₃₁NO₃

M.W. 393.53

D-1356

Donepezil-d4 HCl

Donepezil Impurity 31

CAS No. 1020661-51-1

C₂₄H₂₅NO₃

M.W. 375.47

D-1357

Donepezil-d4 HCl

Donepezil Maleate

C₂₄H₂₉NO₃. 1/2C₄H₄O₄

M.W. 379.50 0.5*116.07

D-1358

Donepezil-d4 HCl

Donepezil Impurity 32

CAS No. 22065-85-6

C₁₃H₁₇NO

M.W. 203.29

D-1359

Donepezil-d4 HCl

Donepezil EP Impurity C

CAS No. 2452407-76-8

C₂₄H₂₉NO₄

M.W. 395.50

D-1360

Donepezil-d4 HCl

Donepezil Impurity 33

C₂₆H₂₆N₄

M.W. 394.52

D-1361

Donepezil-d4 HCl

Donepezil Impurity 34 HCl

CAS No. 43002-67-1

C₁₄H₁₅NO. HCl

M.W. 213.28 36.46

D-1362

Donepezil-d4 HCl

Donepezil Impurity 35

CAS No. 844694-83-3

C₁₇H₂₅NO₂

M.W. 275.39

D-1363

Donepezil-d4 HCl

N-Nitroso Donepezil Impurity 35

C₁₇H₂₄N₂O₃

M.W. 304.39

D-1364

Donepezil-d4 HCl

Donepezil Impurity 36

CAS No. 4803-74-1

C₁₇H₁₅NO₃

M.W. 281.31

D-1365

Donepezil-d4 HCl

Donepezil Impurity 37

C₂₈H₃₃NO₄

M.W. 447.57

D-1366

Donepezil-d4 HCl

Donepezil Impurity 38

C₂₈H₃₃NO₄

M.W. 447.57

D-1367

Donepezil-d4 HCl

5-O-Desmethyl Donepezil-d5 HCl

C₂₃H₂₂D₅NO₃. HCl

M.W. 370.50 36.46

D-1368

Donepezil-d4 HCl

N-Nitroso Donepezil EP Impurity A

CAS No. 3069884-01-8

C₁₇H₂₂N₂O₄

M.W. 318.37

D-1369

Donepezil-d4 HCl

Donepezil Impurity 39

CAS No. 652130-44-4

C₂₇H₃₃NO₅

M.W. 451.56