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USP - United States Pharmacopeia Pharmaceutical Analytical Impurities

791 products found

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USP-1A02080

Clopidogrel Thienopyridinium Chloride (5-(1-(2-chlorophenyl)-2-methoxy-2-oxoethyl)thieno[3,2-c]pyridin-5-ium, chloride)

Item no.

USP-1A02080

Unit

25 mg

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USP-1A02100

Clopidogrel Acid N-Oxide (5-((S)-carboxy(2-chlorophenyl)methyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine 5-oxide)

Item no.

USP-1A02100

CAS Number

[1319197-73-3]

Unit

25 mg

Molecular formula

C15H14ClNO3S

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USP-1A02110

rac-Clopidogrel Acid N-Oxide (5-(carboxy(2-chlorophenyl)methyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine 5-oxide)

Item no.

USP-1A02110

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C15H14ClNO3S

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USP-1A02120

Clopidogrel Diester Enantiomer Sulfate ((S)-1-(2-chlorophenyl)-2-methoxy-2-oxoethyl (R)-2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetate, sulfate)

Item no.

USP-1A02120

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C24H21Cl2NO4S. H2SO4

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USP-1A02130

Desloratadine N-oxide (8-Chloro-6,11-dihydro-11-(4-piperidinylidene)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 1-Oxide)

Item no.

USP-1A02130

CAS Number

[169253-26-3]

Unit

25 mg

Molecular formula

C19H19ClN2O

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USP-1A02160

4-Hydroxy Duloxetine Acetate ((S)-4-(3-(methylamino)-1-(thiophen-2-yl)propoxy)naphthalen-1-ol, acetate)

Item no.

USP-1A02160

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C18H19NO2S. C2H4O2

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USP-1A02170

Duloxetine Phenylcarbamate (phenyl (S)-methyl(3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl)carbamate)

Item no.

USP-1A02170

CAS Number

[947686-09-1]

Unit

50 mg

Molecular formula

C25H23NO3S

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USP-1A02180

rac-Duloxetine-d7 Maleate (N-methyl-3-((naphthalen-1-yl-d7)oxy)-3-(thiophen-2-yl)propan-1-amine, maleate)

Item no.

USP-1A02180

Unit

25 mg

Molecular formula

C18H12D7NOS. C4H4O4

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USP-1A02190

Duloxetine Phthalamide ((S)-2-(methyl(3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl)carbamoyl)benzoic acid)

Item no.

USP-1A02190

CAS Number

[199191-67-8]

Unit

25 mg

Molecular formula

C26H23NO4S

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USP-1A02200

Duloxetine Regioisomer (2-(2-(3-(methylamino)propyl)thiophen-3-yl)naphthalen-1-ol)

Item no.

USP-1A02200

CAS Number

[940291-11-2]

Unit

25 mg

Molecular formula

C18H19NOS

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USP-1A02210

N-Methyl Duloxetine 3-Isomer Oxalate ((R)-N,N-dimethyl-3-(naphthalen-1-yloxy)-3-(thiophen-3-yl)propan-1-amine, oxalate)

Item no.

USP-1A02210

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C19H21NOS. C2H2O4

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USP-1A02220

Levetiracetam Crotonamide ((Z)-2-(2-oxopyrrolidin-1-yl)but-2-enamide)

Item no.

USP-1A02220

CAS Number

[358629-47-7]

Unit

10 mg

Molecular formula

C8H12N2O2

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USP-1A02230

Pemetrexed Tromethamide (N2-(4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoyl)-N5-(1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl)-L-glutamine)

Item no.

USP-1A02230

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C24H30N6O

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USP-1A02240

Rivaroxaban Open Oxomorpholine Ring ((S)-5-chloro-N-((3-(4-(2-hydroxy-N-(2-hydroxyethyl)acetamido) phenyl)-2-oxooxazolidin-5-yl)methyl)thiophene-2-carboxamide)

Item no.

USP-1A02240

CAS Number

[1160170-00-2]

Unit

10 mg

Molecular formula

C19H20ClN3O6S

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USP-1A02250

Rivaroxaban Ethyl Carbamate (ethyl (4-(3-oxomorpholino)phenyl)carbamate)

Item no.

USP-1A02250

CAS Number

[1327778-39-1]

Unit

25 mg

Molecular formula

C13H16N2O4

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USP-1A02270

Rivaroxaban Phthalimide ((S)-2-(2-hydroxy-3-((4-(3-oxomorpholino)phenyl)amino)propyl)isoindoline-1,3-dione)

Item no.

USP-1A02270

CAS Number

[1369969-44-7]

Unit

25 mg

Molecular formula

C21H21N3O5

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USP-1A02280

Rivaroxaban isomer (4-(4-(((2-(5-chlorothiophen-2-yl)-4,5-dihydrooxazol-5-yl)methyl)amino)phenyl)morpholin-3-one)

Item no.

USP-1A02280

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C18H18ClN3O3S

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USP-1A02290

Rivaroxaban phthalimido ethyl ester analog ((S)-1-(1,3-dioxoisoindolin-2-yl)-3-((ethoxycarbonyl)(4-(3-oxomorpholino)phenyl)amino)propan-2-yl 5-chlorothiophene-2-carboxylate)

Item no.

USP-1A02290

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C29H26ClN3O8S

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USP-1A02300

Rivaroxaban Ethylamino Analog (1-amino-3-((4-(3-oxomorpholino)phenyl)amino)propan-2-yl 5-chlorothiophene-2-carboxylate, hydrochloride)

Item no.

USP-1A02300

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C18H20ClN3O4S. 2 HCl

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USP-1A02310

N-Methyl rac-Lacosamide (2-acetamido-N-benzyl-3-methoxy-N-methylpropanamide)

Item no.

USP-1A02310

CAS Number

[388619-64-5]

Unit

25 mg

Molecular formula

C14H20N2O3

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USP-1A02320

Pregabalin Diethylamide D-Tartrate ((S)-3-(Aminomethyl)-N,N-diethyl-5-methylhexanamide (2S,3S)-2,3-dihydroxysuccinate)

Item no.

USP-1A02320

Unit

25 mg

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USP-1A02330

rac-4,5-Dehydropregabalin (3-(aminomethyl)-5-methylhex-4-enoic acid)

Item no.

USP-1A02330

CAS Number

[216576-74-8]

Unit

25 mg

Molecular formula

C8H17NO2

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USP-1A02340

Lactosyl Pregabalin Pyrrolidone ((S)-1-((2R,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)-4-isobutylpyrrolidin-2-one)

Item no.

USP-1A02340

CAS Number

[466678-44-4]

Unit

25 mg

Molecular formula

C20H35NO11

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USP-1A02350

rac-5,6-Dehydropregabalin (3-(aminomethyl)-5-methylhex-5-enoic acid)

Item no.

USP-1A02350

CAS Number

[1136478-30-2]

Unit

25 mg

Molecular formula

C8H15NO2

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USP-1A02360

Pemetrexed Sodium 1-Methyl Ester ((S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-methoxy-5-oxopentanoic acid, sodium salt)

Item no.

USP-1A02360

CAS Number

[1265908-61-9]

Unit

25 mg

Molecular formula

C21H22N5O6. Na

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USP-1A02370

Pemetrexed Sodium 5-Methyl Ester ((S)-2-(4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-5-methoxy-5-oxopentanoic acid, sodium salt)

Item no.

USP-1A02370

CAS Number

[1265908-60-8]

Unit

25 mg

Molecular formula

C21H22N5O6. Na

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USP-1A02380

rac-Pregabalin Imide Dimer Amide (3-((3-(aminomethyl)-5-methylhexanamido)methyl)-5-methylhexanoic acid)

Item no.

USP-1A02380

CAS Number

[1486961-58-3]

Unit

25 mg

Molecular formula

C16H32N2O3

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USP-1A02390

Mannityl Amlodipine (3-Ethyl 5-methyl 4-(2-chlorophenyl)-6-methyl-2-((2-(((2R,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl)amino)ethoxy)methyl)-1,4-dihydropyridine-3,5-dicarboxylate)

Item no.

USP-1A02390

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C26H37ClN2O10

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USP-1A02400

Diisobutyl Diazecinedione (4,9-Diisobutyl-1,6-diazecane-2,7-dione)

Item no.

USP-1A02400

CAS Number

[1990538-03-8]

Unit

25 mg

Molecular formula

C16H30N2O2

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USP-1A02410

Aripiprazole di(quinolinonylbutyl) ether analog (7,7'-((oxybis(butane-4,1-diyl))bis(oxy))bis(3,4-dihydroquinolin-2(1H)-one))

Item no.

USP-1A02410

CAS Number

[1424858-02-5]

Unit

25 mg

Molecular formula

C26H32N2O5

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USP-1A02420

Aripiprazole Diquinolinone Butanediol (7,7'-(butane-1,4-diylbis(oxy))bis(3,4-dihydroquinolin-2(1H)-one))

Item no.

USP-1A02420

CAS Number

[882880-12-8]

Unit

25 mg

Molecular formula

C22H24N2O4

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USP-1A02430

Chlorobutoxyquinolinone (7-(4-chlorobutoxy)-3,4-dihydroquinolin-2(1H)-one)

Item no.

USP-1A02430

CAS Number

[120004-79-7]

Unit

25 mg

Molecular formula

C13H16ClNO2

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USP-1A02440

2-Monobromo Aripiprazole Hydrochloride (7-(4-(4-(2-bromophenyl)piperazin-1-yl)butoxy)-3,4-dihydroquinolin-2(1H)-one, hydrochloride)

Item no.

USP-1A02440

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C23H28BrN3O2. HCl

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USP-1A02450

2-Dechloro Aripiprazole (7-(4-(4-(3-chlorophenyl)piperazin-1-yl)butoxy)-3,4-dihydroquinolin-2(1H)-one)

Item no.

USP-1A02450

CAS Number

[203395-82-8]

Unit

25 mg

Molecular formula

C23H28ClN3O2

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USP-1A02460

Aripiprazole 4,4'-dimer (7,7'-((((ethane-1,1-diylbis(2,3-dichloro-4,1-phenylene))bis(piperazine-4,1-diyl))bis(butane-4,1-diyl))bis(oxy))bis(3,4-dihydroquinolin-2(1H)-one)

Item no.

USP-1A02460

CAS Number

[1797986-18-5]

Unit

25 mg

Molecular formula

C48H56Cl4N6O4

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USP-1A02470

Aripiprazole Acid Analog (4-((2-oxo-1,2,3,4-tetrahydroquinolin-7-yl)oxy)butanoic acid)

Item no.

USP-1A02470

CAS Number

[58899-27-7]

Unit

25 mg

Molecular formula

C13H15NO4

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USP-1A02480

Aripiprazole Bromobutoxyquinolinone Analog (7-(4-bromobutoxy)quinolin-2(1H)-one)

Item no.

USP-1A02480

CAS Number

[203395-59-9]

Unit

25 mg

Molecular formula

C13H14BrNO2

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USP-1A02490

5-(4-Bromobutoxy)-3,4-dihydroquinolin-2(1H)-one (5-(4-bromobutoxy)-3,4-dihydroquinolin-2(1H)-one)

Item no.

USP-1A02490

CAS Number

[63309-35-3]

Unit

25 mg

Molecular formula

C13H16BrNO2

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USP-1A02500

N-Alkyl Aripiprazole (7-(4-(4-(2,3-dichlorophenyl)piperazin-1-yl)butoxy)-1-(4-((2-oxo-1,2,3,4-tetrahydroquinolin-7-yl)oxy)butyl)-3,4-dihydroquinolin-2(1H)-one)

Item no.

USP-1A02500

CAS Number

[1424857-63-5]

Unit

25 mg

Molecular formula

C36H42Cl2N4O4

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USP-1A02510

8-Hydroxy-3,4-dihydroquinolin-2(1H)-one (3,4-dihydro-8-hydroxy-2(1H)-Quinolinone)

Item no.

USP-1A02510

CAS Number

[52749-50-5]

Unit

25 mg

Molecular formula

C9H9NO2

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USP-1A02520

Aripiprazole N-oxide Isomer (4-(2,3-dichlorophenyl)-1-(4-((2-oxo-1,2,3,4-tetrahydroquinolin-7-yl)oxy)butyl)piperazine 4-oxide)

Item no.

USP-1A02520

CAS Number

[573691-11-9]

Unit

25 mg

Molecular formula

C23H27Cl2N3O3

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USP-1A02530

Aripiprazole Isomer (5-(4-(4-(2,3-dichlorophenyl)piperazin-1-yl)butoxy)-3,4-dihydroquinolin-2(1H)-one)

Item no.

USP-1A02530

CAS Number

[203395-78-2]

Unit

25 mg

Molecular formula

C23H27Cl2N3O2

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USP-1A02560

Aripiprazole Hydroxyquinolinone Analog (7-hydroxyquinolin-2(1H)-one)

Item no.

USP-1A02560

CAS Number

[70500-72-0]

Unit

25 mg

Molecular formula

C9H7NO2

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USP-1A02570

3-Dechloro Aripiprazole (7-(4-(4-(2-chlorophenyl)piperazin-1-yl)butoxy)-3,4-dihydroquinolin-2(1H)-one)

Item no.

USP-1A02570

CAS Number

[203395-81-7]

Unit

25 mg

Molecular formula

C23H28ClN3O2

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USP-1A02580

N1-(2-Chloroethyl)-N2-(2,3-dichlorophenyl)ethane-1,2-diamine hydrochloride (N1-(2-chloroethyl)-N2-(2,3-dichlorophenyl)ethane-1,2-diamine, hydrochloride)

Item no.

USP-1A02580

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C10H13Cl3N2. HCl

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USP-1A02590

1,4-Bis(4-(2,3-dichlorophenyl)piperazin-1-yl)butane dihydrochloride (1,4-bis(4-(2,3-dichlorophenyl)piperazin-1-yl)butane, hydrochloride)

Item no.

USP-1A02590

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C24H30Cl4N4. 2 HCl

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USP-1A02610

Sitagliptin Styrylacetyl Analog ((E)-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)but-3-en-1-one)

Item no.

USP-1A02610

CAS Number

[1803026-58-5]

Unit

25 mg

Molecular formula

C16H12F6N4O

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USP-1A02630

(S)-Sitagliptin Phosphate ((S)-3-amino-1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butan-1-one phosphate)

Item no.

USP-1A02630

CAS Number

[823817-58-9]

Unit

25 mg

Molecular formula

C16H18F6N5O5P

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USP-1A02740

Epinephrine Hydrochloride Methoxy Analog (4-(1-methoxy-2-(methylamino)ethyl)benzene-1,2-diol, hydrochloride)

Item no.

USP-1A02740

CAS Number

[74571-90-7]

Unit

25 mg

Molecular formula

C10H15NO3. HCl

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USP-1A02810

Desmethyl Promethazine Hydrochloride (N-methyl-1-(10H-phenothiazin-10-yl)propan-2-amine, hydrochloride)

Item no.

USP-1A02810

CAS Number

[60113-77-1]

Unit

25 mg

Molecular formula

C16H18N2S. HCl

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