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USP - United States Pharmacopeia Pharmaceutical Analytical Impurities

1025 products found

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USP-1A01360

Clopidogrel-Beta-D-glucuronide ((2S,3S,4S,5R,6S)-6-((S)-2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetoxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid)

Item no.

USP-1A01360

CAS Number

[1314116-53-4]

Unit

10 mg

Molecular formula

C21H22ClNO8S

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USP-1A01400

6Beta-Hydroxybudesonide ((2R,6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-2,7-dihydroxy-8b-(2-hydroxyacetyl)-6a,8a-dimethyl-10-propyl-1,2,6a,6b,7,8,8a,8b,11a,12,12a,12b-dodecahydro-4H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4-one)

Item no.

USP-1A01400

CAS Number

[88411-77-2]

Unit

25 mg

Molecular formula

C25H34O7

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USP-1A01430

Clopidogrel Piperidinylidene Analog ((E)-2-(1-(1-(2-chlorophenyl)-2-methoxy-2-oxoethyl)-4-((2-(3-methoxyphenyl)-2-oxoethyl)thio)piperidin-3-ylidene)acetic acid)

Item no.

USP-1A01430

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C25H26ClNO6S

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USP-1A01460

Rivaroxaban Open Chain Dithiophene Analog ((S)-5-chloro-N-(4-(5-((5-chlorothiophene-2-carboxamido)methyl)-2-oxooxazolidin-3-yl)phenyl)-N-(2-(2-(methylamino)-2-oxoethoxy)ethyl)thiophene-2-carboxamide)

Item no.

USP-1A01460

CAS Number

[1807455-76-0]

Unit

10 mg

Molecular formula

C25H24Cl2N4O6S2

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USP-1A01510

Rivaroxaban Desthiophene Analog ((R)-4-(4-(5-(aminomethyl)-2-oxooxazolidin-3-yl)phenyl)morpholin-3-one)

Item no.

USP-1A01510

CAS Number

[1411775-06-8]

Unit

25 mg

Molecular formula

C14H17N3O4

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USP-1A01600

Diphthalimido Morpholinone Analog (2,2'-((2R,2'R)-((4-(3-oxomorpholino)phenyl)azanediyl)bis(2-hydroxypropane-3,1-diyl))bis(isoindoline-1,3-dione))

Item no.

USP-1A01600

CAS Number

[1643354-27-1]

Unit

25 mg

Molecular formula

C32H30N4O8

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USP-1A01610

Aminophenylmorpholin-2-one (4-(4-aminophenyl)morpholin-2-one)

Item no.

USP-1A01610

CAS Number

[1456733-00-8]

Unit

25 mg

Molecular formula

C10H12N2O2

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USP-1A01630

Tolyloyl Propionamide (N,N-Dimethyl-4-oxo-4-(p-tolyl)butanamide)

Item no.

USP-1A01630

CAS Number

[402470-91-1]

Unit

25 mg

Molecular formula

C13H17NO2

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USP-1A01640

Tolyloyl Propionic Acid (4-Oxo-4-(p-tolyl)butanoic Acid)

Item no.

USP-1A01640

CAS Number

[4619-20-9]

Unit

25 mg

Molecular formula

C11H12O3

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USP-1A01670

N-Acetyl Desloratadine (1-[4-(8-Chloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)-1-piperidinyl]ethanone)

Item no.

USP-1A01670

CAS Number

[117796-52-8]

Unit

25 mg

Molecular formula

C21H21ClN2O

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USP-1A01680

Tolterodine Propanol Analog (2-(3-Hydroxy-1-phenylpropyl)-4-methylphenol)

Item no.

USP-1A01680

CAS Number

[851789-43-0]

Unit

25 mg

Molecular formula

C16H18O2

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USP-1A01740

Desfluorociprofloxacin Hydrochloride (1-cyclopropyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid, hydrochloride)

Item no.

USP-1A01740

CAS Number

[2727369-47-1]

Unit

25 mg

Molecular formula

C17H19N3O3. HCl

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USP-1A01750

Desfluorocitalopram Oxalate (1-(3-(dimethylamino)propyl)-1-phenyl-1,3-dihydroisobenzofuran-5-carbonitrile, oxalate)

Item no.

USP-1A01750

CAS Number

[1093072-86-6]

Unit

25 mg

Molecular formula

C20H22N2O C2H2O4

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USP-1A01770

5-Dimethylaminobutyryl Citalopram Oxalate (4-(dimethylamino)-1-(1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-yl)butan-1-one, oxalate)

Item no.

USP-1A01770

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C25H33FN2O2. 2 C2H2O4

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USP-1A01780

Escitalopram Acid Analog (1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxylic acid)

Item no.

USP-1A01780

CAS Number

[440121-09-5]

Unit

25 mg

Molecular formula

C20H22FNO3

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USP-1A01800

Lacosamide Acrylamide Analog (2-Acetamido-N-benzylacrylamide)

Item no.

USP-1A01800

CAS Number

[86921-49-5]

Unit

25 mg

Molecular formula

C12H14N2O2

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USP-1A01840

Isobutylglutarmonoamide (3-(2-Amino-2-oxoethyl)-5-methylhexanoic Acid)

Item no.

USP-1A01840

CAS Number

[181289-15-6]

Unit

25 mg

Molecular formula

C9H17NO3

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USP-1A01850

Tetrahydrothienopyridine Hydrochloride (4,5,6,7-Tetrahydrothieno[3,2-c]pyridine, hydrochloride)

Item no.

USP-1A01850

CAS Number

[28783-41-7]

Unit

25 mg

Molecular formula

C7H9NS. HCl

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USP-1A01860

Clopidogrel Amide ((S)-2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetamide)

Item no.

USP-1A01860

CAS Number

[444728-13-6]

Unit

25 mg

Molecular formula

C15H15ClN2OS

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USP-1A01900

Clopidogrel Open Ring R-enantiomer (methyl (R)-2-(2-chlorophenyl)-2-((2-(thiophen-2-yl)ethyl)amino) acetate, hydrochloride)

Item no.

USP-1A01900

CAS Number

[1258938-54-3]

Unit

25 mg

Molecular formula

C15H16ClNO2S. HCl

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USP-1A01910

Iodofluticasone Propionate

Item no.

USP-1A01910

CAS Number

[80474-67-5]

Unit

25 mg

Molecular formula

C25H31F2IO5S

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USP-1A01930

Tacrolimus 5E-ene

Item no.

USP-1A01930

CAS Number

[104987-16-8]

Unit

25 mg

Molecular formula

C44H67NO11

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USP-1A01950

Dimethylacrylamide tolyl ketone ((2E)-N,N-dimethyl-4-(4-methylphenyl)-4-oxobut-2-enamide)

Item no.

USP-1A01950

Unit

25 mg

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USP-1A01960

Levamlodipine (3-ethyl 5-methyl (S)-2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate)

Item no.

USP-1A01960

CAS Number

[103129-82-4]

Unit

25 mg

Molecular formula

C20H25ClN2O5

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USP-1A01970

(R)-Amlodipine 3-ethyl 5-methyl (R)-2-((2-aminoethoxy)methyl)-4-(2-chlorophenyl)-6-methyl-1,4-dihydropyridine-3,5-dicarboxylate)

Item no.

USP-1A01970

CAS Number

[103129-81-3]

Unit

25 mg

Molecular formula

C20H25ClN2O5

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USP-1A02010

17alpha-Hydroxy13(17)a-homoprednisolone ((2R,3R,4aS,4bS,10aR,10bS,11S,12aS)-2,3,11-trihydroxy-2-(hydroxymethyl)-10a,12a-dimethyl-3,4,4a,5,6,10a,10b,11,12,12a-decahydrochrysene-1,8(2H,4bH)-dione)

Item no.

USP-1A02010

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C21H28O6

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USP-1A02030

4'-Hydroxycelecoxib (4-(5-(4-(hydroxymethyl)phenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide)

Item no.

USP-1A02030

CAS Number

[170571-00-3]

Unit

25 mg

Molecular formula

C17H14F3N3O3S

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USP-1A02040

(4-Methylbenzoyl)trifluoroacetone (1,1,1-Trifluoro-4-hydroxy-4-(4-methylphenyl)-3-buten-2-one)

Item no.

USP-1A02040

CAS Number

[910303-54-7]

Unit

25 mg

Molecular formula

C11H9F3O2

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USP-1A02050

Isotachysterol3 (COLD SHIPMENT REQUIRED) (S)-4-methyl-3-((E)-2-((1R,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)-2,3,5,6,7,7a-hexahydro-1H-inden-4-yl)vinyl)cyclohex-3-en-1-ol)

Item no.

USP-1A02050

CAS Number

[22350-43-2]

Unit

25 mg

Molecular formula

C27H44O

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USP-1A02060

trans-Cholecalciferol (COLD SHIPMENT REQUIRED)

Item no.

USP-1A02060

CAS Number

[22350-41-0]

Unit

25 mg

Molecular formula

C27H44O

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USP-1A02070

7-Dehydrocholesterol (COLD SHIPMENT REQUIRED) ((3S,9S,10R,13R,14R,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol)

Item no.

USP-1A02070

CAS Number

[434-16-2]

Unit

25 mg

Molecular formula

C27H44O

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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-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-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-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-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-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-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-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-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-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-1A09810

N-Nitroso Desmethyl Diphenhydramine Solution (1 mg/mL in Methanol) (N-(2-(Benzhydryloxy)ethyl)-N-methylnitrous amide)

Item no.

USP-1A09810

Unit

1 mL

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