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USP - United States Pharmacopeia Pharmaceutical Analytical Impurities

1335 products found

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USP-1A00130

Quetiapine Tetraethylene Glycol Fumarate Salt (COLD SHIPMENT REQUIRED) (2-(2-(2-(2-(4-(dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl)ethoxy)ethoxy)ethoxy)ethan-1-ol-fumarate)

Item no.

USP-1A00130

CAS Number

[2470243-24-2]

Unit

25 mg

Molecular formula

C25H33N3O4S ? C4H4O4

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USP-1A00290

Isopropyl 4-acetylbenzoate (COLD SHIPMENT REQUIRED) (Isopropyl 4-acetylbenzoate)

Item no.

USP-1A00290

CAS Number

[220089-22-5]

Unit

25 mg

Molecular formula

C12H14O3

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USP-1A00310

Hydroxyisobutyl Acetophenone (COLD SHIPMENT REQUIRED) (1-(4-(1-hydroxy-2-methylpropyl)phenyl)ethan-1-one)

Item no.

USP-1A00310

CAS Number

[1314907-71-5]

Unit

25 mg

Molecular formula

C12H16O2

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USP-1A00340

Dexamethasone Ethyl Ester (COLD SHIPMENT REQUIRED) (Ethyl 11Beta,17alpha-dihydroxy-9-fluoro-16alpha-methylandrostane-1,4-diene-3-one-17-ylcarboxylate)

Item no.

USP-1A00340

CAS Number

[37926-77-5]

Unit

25 mg

Molecular formula

C23H31FO5

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USP-1A00370

R-Levetiracetam Hydroxybutyramide Analog ((R)-N-(1-amino-1-oxobutan-2-yl)-4-hydroxybutanamide)

Item no.

USP-1A00370

CAS Number

[1847568-87-9]

Unit

10 mg

Molecular formula

C8H16N2O3

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USP-1A00380

Pyrazinediethanol Propionic Acid (3-(3,6-bis(2-hydroxyethyl)pyrazin-2-yl)propanoate, sodium salt)

Item no.

USP-1A00380

CAS Number

[96681-85-5] (free acid)

Unit

5 mg

Molecular formula

C11H15NaN2O4

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USP-1A00390

Nebramine ((1S,2R,3R,4S,6R)-4,6-diamino-3-(((2R,3R,5S,6R)-3-amino-6-(aminomethyl)-5-hydroxytetrahydro-2H-pyran-2-yl)oxy)cyclohexane-1,2-diol)

Item no.

USP-1A00390

CAS Number

[34051-04-2]

Unit

10 mg

Molecular formula

C12H26N4O5

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USP-1A00410

Budesonide Sulfate Triethylamine Salt

Item no.

USP-1A00410

CAS Number

[1436872-65-9]

Unit

10 mg

Molecular formula

C25H34O9S·C6H15N

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USP-1A00420

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

Item no.

USP-1A00420

CAS Number

[1421283-60-4] (free base)

Unit

10 mg

Molecular formula

C24H21Cl2NO4S·H2SO4

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USP-1A00430

Clopidogrel Open Ring Methyl Ester Hydrochloride (methyl 2-(2-chlorophenyl)-2-((2-(thiophen-2-yl)ethyl)amino)acetate, hydrochloride)

Item no.

USP-1A00430

CAS Number

[141109-18-4]

Unit

10 mg

Molecular formula

C15H16ClNO2S·HCl

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USP-1A00440

S-Levetiracetam Hydroxybutyramide Analog ((S)-N-(1-amino-1-oxobutan-2-yl)-4-hydroxybutanamide)

Item no.

USP-1A00440

CAS Number

[1868118-63-1]

Unit

10 mg

Molecular formula

C8H16N2O3

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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-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-1A00530

N6-(1-Iminoethyl)-D-lysine ((2R)-2-[(2S)-2-Aminobutanamido]butanamide)

Item no.

USP-1A00530

CAS Number

[1844123-52-9]

Unit

10 mg

Molecular formula

C8H17N3O2

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USP-1A00580

4-Fluoro Risperidone (COLD SHIPMENT REQUIRED) (3-(2-(4-(4-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-1A00580

CAS Number

[n/a]

Unit

10 mg

Molecular formula

C23H27FN4O2

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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-1A00630

Pemetrexed Acid N-Hydroxysuccinimide Ester (2,5-dioxopyrrolidin-1-yl 4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoate)

Item no.

USP-1A00630

CAS Number

[204257-65-8]

Unit

25 mg

Molecular formula

C19H17N5O5

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USP-1A00640

Pemetrexed Dimethyl Ester (dimethyl (4-(2-(2-amino-4-oxo-4,7-dihydro-1H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzoyl)-L-glutamate)

Item no.

USP-1A00640

CAS Number

[155405-81-5]

Unit

25 mg

Molecular formula

C22H25N5O6

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USP-1A00650

Rivaroxaban Open Ring Methylamine ((S)-4-(4-((2-hydroxy-3-(methylamino)propyl)amino)phenyl)morpholin-3-one)

Item no.

USP-1A00650

CAS Number

[2459303-14-9]

Unit

10 mg

Molecular formula

C14H21N3O3

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USP-1A00660

Rivaroxaban Phthalamide (N1,N2-bis(((S)-2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)phthalamide)

Item no.

USP-1A00660

CAS Number

[1365267-36-2]

Unit

25 mg

Molecular formula

C36H36N6O10

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USP-1A00670

Rivaroxaban Open Ring ((R)-5-chloro-N-(2-hydroxy-3-((4-(3-oxomorpholino)phenyl)amino)propyl)thiophene-2-carboxamide)

Item no.

USP-1A00670

CAS Number

[721401-53-2]

Unit

10 mg

Molecular formula

C18H20ClN3O4S

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USP-1A00680

Budesonide 9(11)-ene ((6aS,8aS,8bS,11aR,12aS,12bS)-8b-(2-hydroxyacetyl)-6a,8a-dimethyl-10-propyl-1,2,6a,8,8a,8b,11a,12,12a,12b-decahydro-4H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4-one)

Item no.

USP-1A00680

CAS Number

[313474-58-7]

Unit

25 mg

Molecular formula

C25H32O5

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USP-1A00700

Fluticasone Propionate Acid ((6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-(propionyloxy)-6,7,8,9,10,11,12,13,14,15, 16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid)

Item no.

USP-1A00700

CAS Number

[65429-42-7]

Unit

25 mg

Molecular formula

C24H30F2O6

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USP-1A00731

Fexofenadine Olefin (2-(4-(4-(4-(diphenylmethylene)piperidin-1-yl)-1-hydroxybutyl)phenyl)-2-methylpropanoic acid)

Item no.

USP-1A00731

CAS Number

[1187954-57-9]

Unit

25 mg

Molecular formula

C32H37NO3

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USP-1A00750

Tolyloyl Bromopropionamide (3-bromo-N,N-dimethyl-4-oxo-4-(p-tolyl)butanamide)

Item no.

USP-1A00750

CAS Number

[836627-56-6]

Unit

25 mg

Molecular formula

C13H16BrNO2

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USP-1A00760

Atorvastatin 3-deoxyhept-2-enoic Acid ((S,E)-7-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)-5-hydroxyhept-2-enoic acid)

Item no.

USP-1A00760

CAS Number

[1105067-93-3]

Unit

25 mg

Molecular formula

C33H33FN2O4

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USP-1A00830

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

Item no.

USP-1A00830

CAS Number

[134395-00-9]

Unit

25 mg

Molecular formula

C37H43FN2O5

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USP-1A00900

4-Methylacetophenone (1-(4-Methylphenyl)-1-ethanone (4'-Methylacetophenone))

Item no.

USP-1A00900

CAS Number

[122-00-9]

Unit

25 mg

Molecular formula

C9H10O

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USP-1A00910

Celecoxib Open Ring (4-((1,1,1-trifluoro-4-hydroxy-4-(p-tolyl)but-3-en-2-ylidene)amino)benzenesulfonamide)

Item no.

USP-1A00910

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C17H15F3N2O3S

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USP-1A00970

N-Methyl Duloxetine Oxalate ((S)-N,N-dimethyl-3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propan-1-amine, oxalate)

Item no.

USP-1A00970

CAS Number

[132335-47-8]

Unit

25 mg

Molecular formula

C19H21NOS·C2H2O4 (C21H23NO5S)

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USP-1A01030

1,2-Dihydro Fluticasone Propionate

Item no.

USP-1A01030

CAS Number

[105613-90-9]

Unit

25 mg

Molecular formula

C25H33F3O5S

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USP-1A01060

6-Methyl-4-phenylchromanone (6-Methyl-4-phenylchroman-2-one)

Item no.

USP-1A01060

CAS Number

[40546-94-9]

Unit

25 mg

Molecular formula

C16H14O2

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USP-1A01110

Dehydro Desloratadine (8-chloro-11-(piperidin-4-ylidene)-11H-benzo[5,6]cyclohepta[1,2-b]pyridine)

Item no.

USP-1A01110

CAS Number

[117811-20-8]

Unit

25 mg

Molecular formula

C19H17ClN2

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USP-1A01150

Pemetrexed Glutamide Sodium ((S)-4-((S)-4-(4-(2-(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl)benzamido)-4-carboxybutanamido)-4-carboxybutanoate, sodium salt)

Item no.

USP-1A01150

CAS Number

[144051-68-3] (free acid)

Unit

25 mg

Molecular formula

C25H27N6O9. Na

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USP-1A01180

Chlorothiophene carboxylic acid (5-chlorothiophene-2-carboxylic acid)

Item no.

USP-1A01180

CAS Number

[24065-33-6]

Unit

25 mg

Molecular formula

C5H3ClO2S

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USP-1A01260

16Alpha-Hydroxy Prednisolone-9(11)-ene ((8S,10S,13S,14S,16R,17S)-16,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,10,12,13,14,15,16,17-decahydro-3Hcyclopenta[a]phenanthren-3-one)

Item no.

USP-1A01260

CAS Number

[39672-76-9]

Unit

25 mg

Molecular formula

C21H26O

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USP-1A01270

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

Item no.

USP-1A01270

CAS Number

[77017-20-0]

Unit

25 mg

Molecular formula

C23H28O6

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USP-1A01280

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

Item no.

USP-1A01280

CAS Number

[95943-95-6]

Unit

25 mg

Molecular formula

C25H30O7

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USP-1A01290

TEMED Dihydrochloride (N1,N1,N2,N2-tetramethylethane-1,2-diamine, hydrochloride)

Item no.

USP-1A01290

CAS Number

[7677-21-6]

Unit

25 mg

Molecular formula

C6H16N2·2HCl

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USP-1A01300

Bis(dimethylaminoethyl) Ether Dihydrochloride (2,2'-oxybis(N,N-dimethylethan-1-amine), hydrochloride)

Item no.

USP-1A01300

CAS Number

[103526-47-2]

Unit

25 mg

Molecular formula

C8H20N2O·2HCl

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USP-1A01310

tert-Octylamine (2,4,4-trimethylpentan-2-amine)

Item no.

USP-1A01310

CAS Number

[107-45-9]

Unit

25 mg

Molecular formula

C8H19N

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USP-1A01320

Dimethylethylamine Hydrochloride (N,N-dimethylethanamine, hydrochloride)

Item no.

USP-1A01320

CAS Number

[58114-25-3]

Unit

25 mg

Molecular formula

C4H11N·HCl

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USP-1A01340

2,3-Dimethyl-2,3-butanediamine Dihydrochloride (2,3-dimethylbutane-2,3-diamine, hydrochloride)

Item no.

USP-1A01340

CAS Number

[75804-28-3]

Unit

25 mg

Molecular formula

C6H16N2·2HCl

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USP-1A01350

Bis(2-methylaminoethyl) Ether (2,2'-oxybis(N,N-dimethylethan-1-amine))

Item no.

USP-1A01350

CAS Number

[3033-62-3]

Unit

25 mg

Molecular formula

C8H20N2O

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USP-1A01380

Clopidogrel Quaternary Salt (5-(1-(2-chlorophenyl)-2-methoxy-2-oxoethyl)-6,7-dihydrothieno[3,2-c]pyridin-5-ium, bromide)

Item no.

USP-1A01380

CAS Number

[2418591-12-3]

Unit

25 mg

Molecular formula

C16H15ClNO2S. Br

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USP-1A01530

Aminophenylmorpholinone (4-(4-aminophenyl)morpholin-3-one)

Item no.

USP-1A01530

CAS Number

[438056-69-0]

Unit

25 mg

Molecular formula

C10H12N2O2

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USP-1A01570

Rivaroxaban Phthalimido Analog ((R)-2-(2-hydroxy-3-((4-(3-oxomorpholino)phenyl)amino)propyl) isoindoline-1,3-dione)

Item no.

USP-1A01570

CAS Number

[446292-07-5]

Unit

25 mg

Molecular formula

C21H21N3O5

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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-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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