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USP - United States Pharmacopeia Pharmaceutical Analytical Impurities

1059 products found

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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-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-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-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-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-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-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-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-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-1A02600

Sitagliptin Phenylcrotonyl 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-2-en-1-one)

Item no.

USP-1A02600

CAS Number

[1253056-18-6]

Unit

25 mg

Molecular formula

C16H12F6N4O

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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-1A02620

Sitagliptin (R)-Triazecine Analog ((R)-10-(2,4,5-trifluorobenzyl)-3-(trifluoromethyl)-6,7,10,11-tetrahydro-[1,2,4]triazolo[3,4-c][1,4,7]triazecine-8,12(5H,9H)-dione)

Item no.

USP-1A02620

CAS Number

[2088771-61-1]

Unit

25 mg

Molecular formula

C16H13F6N5O2

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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-1A02640

rac-Sitagliptin Hydrochloride (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 hydrochloride)

Item no.

USP-1A02640

CAS Number

[2309520-11-2]

Unit

25 mg

Molecular formula

C16H15F6N5O · HCl

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USP-1A02650

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

Item no.

USP-1A02650

CAS Number

[767340-03-4]

Unit

25 mg

Molecular formula

C16H13F6N5O

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USP-1A02660

Sitagliptin Alcohol (3-hydroxy-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)

Item no.

USP-1A02660

CAS Number

[1253056-01-7]

Unit

25 mg

Molecular formula

C16H14F6N4O2

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USP-1A02670

Sitagliptin Ketone (1-(3-(trifluoromethyl)-5,6-dihydro-[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl)-4-(2,4,5-trifluorophenyl)butane-1,3-dione)

Item no.

USP-1A02670

CAS Number

[764667-65-4]

Unit

25 mg

Molecular formula

C16H12F6N4O2

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USP-1A02730

21-Desacetyl Deflazacort (11Beta,16Beta)-11,21-Dihydroxy-2'-methyl-5'H-pregna-1,4-dieno[17,16-d]oxazole-3,20-dione)

Item no.

USP-1A02730

CAS Number

[13649-57-5]

Unit

25 mg

Molecular formula

C23H29NO5

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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-1A02750

2-(3-Carboxyphenyl)propionitrile (2-(3-Carboxyphenyl)propionitrile)

Item no.

USP-1A02750

CAS Number

[5537-71-3]

Unit

25 mg

Molecular formula

C10H9NO2

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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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USP-1A02820

2,5-Difluoro Sitagliptin ((3R)-3-Amino-4-(2,5-difluorophenyl)-1-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]butan-1-one)

Item no.

USP-1A02820

CAS Number

[486460-31-5]

Unit

25 mg

Molecular formula

C16H16F5N5O

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USP-1A02830

2,4-Difluoro Sitagliptin ((3R)-3-Amino-4-(2,4-difluorophenyl)-1-[3-(trifluoromethyl)-5,6-dihydro[1,2,4]triazolo[4,3-a]pyrazin-7(8H)-yl]butan-1-one)

Item no.

USP-1A02830

CAS Number

[945261-48-3]

Unit

25 mg

Molecular formula

C16H16F5N5O

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USP-1A02920

1-Oxo Ivabradine Hydrochloride ((S)-3-(3-(((3,4-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-4,5-dihydro-1H-benzo[d]azepine-1,2(3H)-dione, hydrochloride)

Item no.

USP-1A02920

CAS Number

[1616710-50-9]

Unit

25 mg

Molecular formula

C27H34N2O6. HCl

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USP-1A02930

3-Desmethyl Ivabradine Hydrochloride (1,3,4,5-tetrahydro-3-[3-[[[(7S)-3-hydroxy-4-methoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]methylamino]propyl]-7,8-dimethoxy-2H-3-benzazepin-2-one, hydrochloride)

Item no.

USP-1A02930

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C26H34N2O5. HCl

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USP-1A02940

Ivabradine Amine Hydrochloride ((S)-1-(3,4-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)-N-methylmethanamine, hydrochloride)

Item no.

USP-1A02940

CAS Number

[866783-13-3]

Unit

25 mg

Molecular formula

C12H17NO2. HCl

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USP-1A02950

4-Desmethyl Ivabradine Hydrochloride ((S)-3-(3-(((4-hydroxy-3-methoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one, hydrochloride)

Item no.

USP-1A02950

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C26H34N2O5. HCl

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USP-1A02960

N-Desmethyl Ivabradine Hydrochloride (3-[3-[[[(7S)-3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl]methyl]amino]propyl]-1,3,4,5-tetrahydro-7,8-dimethoxy-2H-3-benzazepin-2-one, hydrochloride)

Item no.

USP-1A02960

CAS Number

[1246638-08-3]

Unit

25 mg

Molecular formula

C26H34N2O5. HCl

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USP-1A02970

7-Desmethyl Ivabradine ((S)-3-(3-(((3,4-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-7-hydroxy-8-methoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one)

Item no.

USP-1A02970

CAS Number

[304462-60-0]

Unit

25 mg

Molecular formula

C26H34N2O5

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USP-1A02980

Dehydro Ivabradine ((S)-3-(3-(((3,4-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3-dihydro-2H-benzo[d]azepin-2-one)

Item no.

USP-1A02980

CAS Number

[1086026-31-4]

Unit

25 mg

Molecular formula

C27H34N2O5

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USP-1A02990

Paroxetine Hydrochloride Piperidinemethanol Analog (((3S,4R)-4-(4-fluorophenyl)piperidin-3-yl)methanol, hydrochloride)

Item no.

USP-1A02990

CAS Number

[220548-73-2]

Unit

25 mg

Molecular formula

C12H16FNO. HCl

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USP-1A03010

N-Phenoxycarbonyl Paroxetine (phenyl (3S,4R)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-fluorophenyl)piperidine-1-carboxylate)

Item no.

USP-1A03010

CAS Number

[253768-88-6]

Unit

25 mg

Molecular formula

C26H24FNO5

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USP-1A03060

Paroxol ((4R,3S)-4-(4-Fluorophenyl)-1-methyl-3-piperidinemethanol)

Item no.

USP-1A03060

CAS Number

[105812-81-5]

Unit

25 mg

Molecular formula

C13H18FNO

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USP-1A03090

Ivabradine N-Oxide (3-(7,8-dimethoxy-2-oxo-1,2,4,5-tetrahydro-3H-benzo[d]azepin-3-yl)-N-(((S)-3,4-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)-N-methylpropan-1-amine oxide)

Item no.

USP-1A03090

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C27H36N2O6

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USP-1A03110

Hydroxy Ivabradine (3-(3-hydroxypropyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one)

Item no.

USP-1A03110

CAS Number

[1235547-07-5]

Unit

25 mg

Molecular formula

C15H21NO4

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USP-1A03120

Ivabradine R-Enantiomer Hydrochloride ((R)-3-(3-(((3,4-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one, hydrochloride)

Item no.

USP-1A03120

CAS Number

[148849-68-7]

Unit

25 mg

Molecular formula

C27H36N2O5. HCl

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USP-1A03160

Ivabradine Bisbenzazepine Analog (3,3'-(propane-1,3-diyl)bis(7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one))

Item no.

USP-1A03160

CAS Number

[2731089-65-7]

Unit

25 mg

Molecular formula

C27H34N2O6

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