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USP - United States Pharmacopeia Pharmaceutical Analytical Impurities

887 products found

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USP-1A00020

Atorvastatin Methyl Ester (methyl (3R,5R)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-3,5-dihydroxyheptanoate)

Item no.

USP-1A00020

CAS Number

[345891-62-5]

Unit

25 mg

Molecular formula

C34H37FN2O5

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USP-1A00080

3'-De(dimethylamino)-3'-oxoazithromycin

Item no.

USP-1A00080

CAS Number

[612069-25-7]

Unit

25 mg

Molecular formula

C36H65NO13

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USP-1A00110

6Beta-Hydroxy Ethinyl Estradiol ((6R,8R,9S,13S,14S,17R)-17-ethynyl-13-methyl-7,8,9,11,12,13,14,15,16,17-decahydro-6H-cyclopenta[a]phenanthrene-3,6,17-triol)

Item no.

USP-1A00110

CAS Number

[56324-28-8]

Unit

25 mg

Molecular formula

C20H24O3

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USP-1A00120

Fluoroandrostadiene Carboxylic Acid ((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid)

Item no.

USP-1A00120

CAS Number

[37927-01-8]

Unit

25 mg

Molecular formula

C21H27FO5

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USP-1A00140

R,R,S-Ezetimibe ((3R,4S)-1-(4-fluorophenyl)-3-((R)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-(4-hydroxyphenyl)azetidin-2-one)

Item no.

USP-1A00140

CAS Number

[163380-16-3]

Unit

25 mg

Molecular formula

C24H21F2NO3

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USP-1A00150

Bis(dibenzothiazepinyl) Piperazine (1,4-Bis(dibenzo[b,f][1,4]thiazepin-11-yl)piperazine)

Item no.

USP-1A00150

CAS Number

[945668-94-0]

Unit

25 mg

Molecular formula

C30H24N4S2

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USP-1A00160

Decarboxy Levofloxacin ((S)-9-fluoro-3-methyl-7-oxo-10-(4-methylpiperazine-1-yl)-2,3-dihydro-7H-pyrido [1,2,3-de] -1,4-benzoxazine)

Item no.

USP-1A00160

CAS Number

[178964-53-9]

Unit

25 mg

Molecular formula

C17H20FN3O2

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USP-1A00180

N-Ethyl Quetiapine (11-(4-Ethylpiperazin-1-yl)dibenzo[b,f][1,4]thiazepine hydrochloride)

Item no.

USP-1A00180

CAS Number

[1011758-03-4] (free base)

Unit

25 mg

Molecular formula

C19H21N3S. C4H4O4

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USP-1A00220

Desoximetasone Acid (COLD SHIPMENT) ((11Beta,16alpha,17Beta)-9-Fluoro-11-hydroxy-16-methyl-3-oxoandrosta-1,4- diene-17-carboxylic acid, 9-Fluoro-11Beta-hydroxy-16alpha-methyl-3-oxoandrosta-1,4-diene-17Beta-carboxylic acid)

Item no.

USP-1A00220

CAS Number

[75262-69-0]

Unit

25 mg

Molecular formula

C21H27FO4

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USP-1A00230

N-Isopropyl Carvedilol (1-(9H-Carbazol-4-yloxy)-3-[[2-(2-methoxyphenoxy)ethyl](1-methylethyl)amino]-2-propanol)

Item no.

USP-1A00230

CAS Number

[1246819-01-1]

Unit

25 mg

Molecular formula

C27H32N2O4

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USP-1A00250

Donepezil quaternary salt (donepezilbenzyl Bromide) (1,1-dibenzyl-4-((5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2-yl)methyl)piperidin-1-ium, bromide)

Item no.

USP-1A00250

CAS Number

[844694-85-5]

Unit

25 mg

Molecular formula

C31H36BrNO3

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USP-1A00260

Azacitidine Formyl Amidine Analog (N-(Formyl amidino)-N'-Beta-D-ribofuranosylurea) (INTERNATIONAL COLD CHAIN SHIPMENT REQUIRED)

Item no.

USP-1A00260

CAS Number

[65126-88-7]

Unit

25 mg

Molecular formula

C8H14N4O6

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USP-1A00270

Azacitidine Isomer -3 (1-Beta-D-Ribofuranosyl-3-aminocarbonyl guanidine acetate)

Item no.

USP-1A00270

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C9H18N4O7

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USP-1A00300

Dexamethasone Formate (COLD SHIPMENT REQUIRED) ((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-17-(formyloxy)-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid)

Item no.

USP-1A00300

CAS Number

[473273-04-0]

Unit

25 mg

Molecular formula

C22H27FO6

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USP-1A00321

Clindamycin 3-Phosphate (COLD SHIPMENT REQUIRED) (Methyl 7-chloro-6,7,8-trideoxy-6-[(2S,4R)-1-methyl-4-propylpyrrolidine-2-carboxamido]-1-thio-L-threo-alpha-D-galacto-octopyranoside 3-phosphate)

Item no.

USP-1A00321

CAS Number

[28708-34-1]

Unit

10 mg

Molecular formula

C18H34ClN2O8PS

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USP-1A00360

Ethylpyrazinediethanol (2,2'-(3-ethylpyrazine-2,5-diyl)bis(ethan-1-ol))

Item no.

USP-1A00360

CAS Number

[86917-74-0]

Unit

10 mg

Molecular formula

C10H16N2O2

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USP-1A00470

17-Oxo Dexamethasone ((8S,9R,10S,11S,13S,14S,16R)-9-fluoro-11-hydroxy-10,13,16-trimethyl-7,8,9,10,11,12,13,14,15,16-decahydro-3H-cyclopenta[a]phenanthrene-3,17(6H)-dione)

Item no.

USP-1A00470

CAS Number

[1880-61-1]

Unit

10 mg

Molecular formula

C20H25FO3

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USP-1A00480

Ibuprofen Tetraethylene Glycol Diester (((oxybis(ethane-2,1-diyl))bis(oxy))bis(ethane-2,1-diyl) bis(2-(4-isobutylphenyl)propanoate)))

Item no.

USP-1A00480

CAS Number

[1161014-75-0]

Unit

25 mg

Molecular formula

C34H50O7

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USP-1A00490

Amoxicilloic Acid Dimers 1 and 2

Item no.

USP-1A00490

CAS Number

[2088961-38-8]

Unit

10 mg

Molecular formula

C32H40N6O11S2

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USP-1A00500

Budesonide D-homo Analog ((4aR,4bS,5S,6aS,7aR,10aR,11aS,11bS)-5-hydroxy-7a-(hydroxymethyl)-4a,6a-dimethyl-9-propyl-4b,6,6a,7a,10a,11,11a,11b,12,13-decahydrochryseno[2,3-d][1,3]dioxole-2,7(4aH,5H)-dione)

Item no.

USP-1A00500

CAS Number

[1040085-99-1]

Unit

10 mg

Molecular formula

C25H34O6

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USP-1A00510

Budesonide Acetaldehyde Acetal (16alpha,17-[(1RS)-ethylidenebis(oxy)]-11beta,21-dihydroxypregna-1,4-diene-3,20-dione)

Item no.

USP-1A00510

CAS Number

[1040085-98-0]

Unit

25 mg

Molecular formula

C23H30O6

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USP-1A00520

5-Fluoro Risperidone (3-(2-(4-(5-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one)

Item no.

USP-1A00520

CAS Number

[1199589-74-6]

Unit

25 mg

Molecular formula

C23H27FN4O2

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USP-1A00540

Bis((R)-butyramide) ((R)-2-amino-N-((R)-1-amino-1-oxobutan-2-yl)butanamide)

Item no.

USP-1A00540

CAS Number

[1867585-44-1]

Unit

10 mg

Molecular formula

C8H17N3O2

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USP-1A00560

2-Oxo Clopidogrel (Mixture of Diastereomers) (methyl 2-(2-chlorophenyl)-2-(2-oxo-2,6,7,7a-tetrahydrothieno[3,2-c]pyridin-5(4H)-yl)acetate)

Item no.

USP-1A00560

CAS Number

[109904-27-0]

Unit

10 mg

Molecular formula

C16H16ClNO3S

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USP-1A00570

2-Oxo R-Clopidogrel (methyl (2R)-2-(2-chlorophenyl)-2-(2-oxo-2,6,7,7a-tetrahydrothieno[3,2-c]pyridin-5(4H)-yl)acetate)

Item no.

USP-1A00570

CAS Number

[1360923-54-1]

Unit

10 mg

Molecular formula

C16H16ClNO3S

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USP-1A00590

7-Fluoro Risperidone (COLD SHIPMENT REQUIRED) (3-(2-(4-(7-fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl)ethyl)-2-methyl-6,7,8,9-tetrahydro-4H-pyrido[1,2-a]pyrimidin-4-one)

Item no.

USP-1A00590

CAS Number

[n/a]

Unit

10 mg

Molecular formula

C23H27FN4O2

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USP-1A00610

Pemetrexed Glutamide Trisodium Salt (((S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-4-carboxybutanoyl)-L-glutamic acid, sodium salt)

Item no.

USP-1A00610

CAS Number

[1265908-59-5]

Unit

25 mg

Molecular formula

C25H25N6O9·3Na

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USP-1A00710

Methoxyamiodarone ([2-[(1RS)-1-Methoxybutyl]benzofuran-3-yl][4-[2-(diethylamino)ethoxy]-3,5-diiodophenyl]methanone)

Item no.

USP-1A00710

CAS Number

[1087223-70-8]

Unit

25 mg

Molecular formula

C26H31I2NO4

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USP-1A00770

Diamino Atorvastatin Calcium (Calcium (3R,5R)-7-[[(3R,5R)-7-[2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoyl]amino]-3,5-dihydroxyheptanoate)

Item no.

USP-1A00770

CAS Number

[1105067-87-5]

Unit

25 mg

Molecular formula

C40H47FN3O8 . 1/2Ca

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USP-1A00790

Atorvastatin Calcium Epoxy Pyrrolooxazin 7-Hydroxy Analog (Calcium 4-(1b-(4-fluorophenyl)-7-hydroxy-7-isopropyl-1a-phenyl-7a-(phenylcarbamoyl)hexahydro-3H-oxireno[2',3':3,4]pyrrolo[2,1-b][1,3]oxazin-3-yl)-3-hydroxybutanoate)

Item no.

USP-1A00790

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C66H68CaF2N4O14 (2C33H34CFN2O7.Ca)

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USP-1A00810

Atorvastatin Sodium Pyrrolidone Analog ((3R,5R)-5-(4-Fluorophenyl)-2,3-dihydro-3,5-dihydroxy-3-(1-methylethyl)-2-oxo-4-phenyl-3-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic Acid Sodium Salt)

Item no.

USP-1A00810

CAS Number

[148217-40-7]

Unit

25 mg

Molecular formula

C33H34FN2NaO6

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USP-1A00820

Atorvastatin Pyrrolidone Lactone (5-(4-Fluorophenyl)-1-{2-[(2R,4R)-4-hydroxy-6-oxotetrahydro-2H-pyran-2-yl]ethyl}-3-isopropyl-2-oxo-N,4-diphenyl-2,3-dihydro-1H-pyrrole-3-carboxamide)

Item no.

USP-1A00820

CAS Number

[906552-19-0]

Unit

25 mg

Molecular formula

C33H33FN2O5

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USP-1A00880

16alpha-Hydroxyprednisolone ((8S,9S,10R,11S,13S,14S,16R,17S)-11,16,17-trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one)

Item no.

USP-1A00880

CAS Number

[13951-70-7]

Unit

25 mg

Molecular formula

C21H28O6

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USP-1A00930

Methyl p-Toluate (Methyl 4-methylbenzoate)

Item no.

USP-1A00930

CAS Number

[99-75-2]

Unit

25 mg

Molecular formula

C9H10O2

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USP-1A00950

Duloxetine beta-Naphthol-1-yl Isomer (2-(3-(Methylamino)-1-(thiophen-2-yl)propyl)naphthalen-1-ol)

Item no.

USP-1A00950

CAS Number

[1033803-59-6]

Unit

50 mg

Molecular formula

C18H19NOS

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USP-1A01090

Monoiodoamiodarone ((2-Butylbenzofuran-3-yl){4-[2-(diethylamino)ethoxy]-3-iodophenyl}methanone)

Item no.

USP-1A01090

CAS Number

[85642-08-6]

Unit

50 mg

Molecular formula

C25H30INO3

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USP-1A01210

Deoxyprednisolone-16-ene Acetate (2-((8S,9S,10R,11S,13S,14S)-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate)

Item no.

USP-1A01210

CAS Number

[3044-42-6]

Unit

25 mg

Molecular formula

C23H28O

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USP-1A01390

6alpha-Hydroxybudesonide ((2S,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-1A01390

CAS Number

[577777-51-6]

Unit

25 mg

Molecular formula

C25H34O7

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USP-1A01470

Rivaroxaban Desmorpholinone Analog ((S)-5-chloro-N-((3-(4-((2-hydroxyethyl)amino)phenyl)-2-oxooxazolidin-5-yl)methyl)thiophene-2-carboxamide)

Item no.

USP-1A01470

CAS Number

[936232-22-3]

Unit

25 mg

Molecular formula

C17H18ClN3O4S

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USP-1A01480

Desthiophenerivaroxaban Methylcarbamate Analog (methyl ((2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)carbamate)

Item no.

USP-1A01480

CAS Number

[1838139-08-4]

Unit

25 mg

Molecular formula

C16H19N3O6

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USP-1A01490

Methylisoindolinedione (2-methylisoindoline-1,3-dione)

Item no.

USP-1A01490

CAS Number

[550-44-7]

Unit

25 mg

Molecular formula

C9H7NO2

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USP-1A01500

Desthiophenerivaroxaban Phthalimodo Analog ((R)-2-((2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)isoindoline-1,3-dione)

Item no.

USP-1A01500

CAS Number

[1424944-35-3]

Unit

25 mg

Molecular formula

C22H19N3O6

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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-1A01540

(S)-Glycidyl Phthalimide ((S)-2-(oxiran-2-ylmethyl)isoindoline-1,3-dione)

Item no.

USP-1A01540

CAS Number

[161596-47-0]

Unit

25 mg

Molecular formula

C11H9NO3

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USP-1A01590

Nitrophenylchlorothiophene Carboxylate (4-nitrophenyl 5-chlorothiophene-2-carboxylate)

Item no.

USP-1A01590

CAS Number

[1450877-56-1]

Unit

25 mg

Molecular formula

C11H6ClNO4S

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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-1A01650

3-Hydroxy Desloratadine (8-chloro-11-(piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6] cyclohepta[1,2-b]pyridin-3-ol)

Item no.

USP-1A01650

CAS Number

[119410-08-1]

Unit

25 mg

Molecular formula

C19H19ClN2O

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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-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-1A01870

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

Item no.

USP-1A01870

CAS Number

[444728-15-8]

Unit

25 mg

Molecular formula

C15H15ClN2OS

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