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USP - United States Pharmacopeia Pharmaceutical Analytical Impurities

1059 products found

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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-1A01100

Deoxystreptamine Kanosaminide (6-O-(3-Amino-3-deoxy-alpha-D-glucopyranosyl)-2-deoxy-D-streptamine)

Item no.

USP-1A01100

CAS Number

[20744-51-8]

Unit

25 mg

Molecular formula

C12H25N3O7

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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-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-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-1A02540

Aripiprazole Spiro Analog (8-(2,3-dichlorophenyl)-5,8-diazaspiro[4.5]decan-5-ium, bromide)

Item no.

USP-1A02540

CAS Number

[795313-24-5]

Unit

25 mg

Molecular formula

C14H19Cl2N2. Br

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USP-1A02550

Aripiprazole Hydroxydihydroquinolinone Analog (7-hydroxy-3,4-dihydroquinolin-2(1H)-one)

Item no.

USP-1A02550

CAS Number

[22246-18-0]

Unit

25 mg

Molecular formula

C9H9NO2

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USP-1A02700

(R)-Laudanosine ((R)-1-(3,4-Dimethoxybenzyl)-6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline)

Item no.

USP-1A02700

CAS Number

[85-63-2]

Unit

25 mg

Molecular formula

C21H27NO4

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USP-1A02760

3-Carboxyphenylacetonitrile (3-(Cyanomethyl)benzoic acid)

Item no.

USP-1A02760

CAS Number

[5689-33-8]

Unit

25 mg

Molecular formula

C9H7NO2

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USP-1A02780

2,4,5-Trimethylketoprofen (COLD SHIPMENT REQUIRED) ((2RS)-2-[3-(2,4,5-Trimethylbenzoyl)phenyl]propanoic Acid)

Item no.

USP-1A02780

CAS Number

[1797984-80-5]

Unit

25 mg

Molecular formula

C19H20O3

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USP-1A02840

Sitagliptin Acid ((R)-3-Amino-4-(2,4,5-trifluorophenyl)butanoic acid)

Item no.

USP-1A02840

CAS Number

[936630-57-8]

Unit

25 mg

Molecular formula

C10H10F3NO2

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USP-1A02860

(R)-N-Methyllaudanosine Iodide ((R)-1-(3,4-dimethoxybenzyl)-6,7-dimethoxy-2,2-dimethyl-1,2,3,4-tetrahydroisoquinolin-2-ium, iodide)

Item no.

USP-1A02860

CAS Number

[41431-32-7]

Unit

25 mg

Molecular formula

C22H30INO4

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USP-1A02890

Guanylmelamine Dinitrate (1-(4,6-diamino-1,3,5-triazin-2-yl)guanidine, nitrate)

Item no.

USP-1A02890

CAS Number

[27369-26-2]

Unit

25 mg

Molecular formula

C4H8N8. 2 HNO3

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USP-1A02910

Benzoylphenylacetonitrile (3-Benzoylbenzeneacetonitrile)

Item no.

USP-1A02910

CAS Number

[21288-34-6]

Unit

25 mg

Molecular formula

C15H11NO

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USP-1A03000

Paroxetine Hydrochloride Catechol Analog (4-(((3S,4R)-4-(4-fluorophenyl)piperidin-3-yl)methoxy)benzene-1,2-diol, hydrochloride)

Item no.

USP-1A03000

CAS Number

[1394861-12-1]

Unit

25 mg

Molecular formula

C18H20FNO3. HCl

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USP-1A03020

(3S,4S)-Paroxol (((3S, 4S)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methanol)

Item no.

USP-1A03020

CAS Number

[100332-20-5]

Unit

25 mg

Molecular formula

C13H18FNO

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USP-1A03030

(3R,4R)-Paroxol (((3R,4R)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methanol)

Item no.

USP-1A03030

CAS Number

[100332-12-5]

Unit

25 mg

Molecular formula

C13H18FNO

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USP-1A03040

Desfluoro (3S,4R)-Paroxol (((3S,4R)-1-methyl-4-phenylpiperidin-3-yl)methanol)

Item no.

USP-1A03040

CAS Number

[176022-03-0]

Unit

25 mg

Molecular formula

C13H19NO

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USP-1A03050

Paroxetine Methoxy Analog ((3R,4S)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-methoxyphenyl)piperidine, hydrochloride)

Item no.

USP-1A03050

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C20H23NO4. HCl

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USP-1A03070

Piperazinedionecarbonyl D-phenylglycylglycine ((R)-(2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-phenylacetyl) glycine)

Item no.

USP-1A03070

CAS Number

[2170771-47-6]

Unit

25 mg

Molecular formula

C17H20N4O6

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USP-1A03130

Ivabradine Open Ring ((S)-2-(2-(2-((3-(((3,4-dimethoxybicyclo[4.2.0]octa-1(6),2,4-trien-7-yl)methyl)(methyl)amino)propyl)amino)ethyl)-4,5-dimethoxyphenyl)acetic acid)

Item no.

USP-1A03130

CAS Number

[1462470-54-7]

Unit

25 mg

Molecular formula

C27H38N2O6

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USP-1A03150

Ivabradine Chloroveratryl Analog Hydrochloride (3-(3-((3-chloro-2-(3,4-dimethoxyphenyl)propyl)(methyl)amino)propyl)-7,8-dimethoxy-1,3,4,5-tetrahydro-2H-benzo[d]azepin-2-one, hydrochloride)

Item no.

USP-1A03150

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C27H37ClN2O5. HCl

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USP-1A03200

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

Item no.

USP-1A03200

CAS Number

[2253977-80-7]

Unit

25 mg

Molecular formula

C27H36N2O6

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USP-1A03210

2-{4-[(methylamino)methyl]thiazol-2-yl}propan-2-ol hydrochloride (2-(4-((methylamino)methyl)thiazol-2-yl)propan-2-ol, hydrochloride)

Item no.

USP-1A03210

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C8H14N2OS. 2HCl

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USP-1A03220

(S)-2-Amino-4-morpholinobutanoic acid hydrochloride ((S)-2-amino-4-morpholinobutanoic acid, hydrochloride)

Item no.

USP-1A03220

CAS Number

[n/a]

Unit

25 mg

Molecular formula

C8H16N2O3. HCl

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USP-1A03250

Monochlorotriiodothyronine ((S)-2-Amino-3-[3-chloro-4-(4-hydroxy-3,5-diiodophenoxy)-5-iodophenyl]propanoic acid)

Item no.

USP-1A03250

CAS Number

[909279-46-5]

Unit

25 mg

Molecular formula

C15H11ClI3NO4

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USP-1A03260

Dibenzazepinodione (5H-dibenzo[b,f]azepine-10,11-dione)

Item no.

USP-1A03260

CAS Number

[19579-83-0]

Unit

50 mg

Molecular formula

C14H9NO2

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USP-1A03310

O-Desmethylmetoprolol (1-(4-(2-hydroxyethyl)phenoxy)-3-(isopropylamino)propan-2-ol)

Item no.

USP-1A03310

Unit

25 mg

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USP-1A03340

Varenicline Formamide (6,7,9,10-tetrahydro-8H-6,10-methanoazepino[4,5-g]quinoxaline-8-carbaldehyde)

Item no.

USP-1A03340

Unit

25 mg

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USP-1A03350

Methyl Varenicline (rel-(6S,10R)-2-methyl-7,8,9,10-tetrahydro-6H-6,10-methanoazepino[4,5-g]quinoxaline)

Item no.

USP-1A03350

Unit

25 mg

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USP-1A03360

N-Methyl Varenicline (7,8,9,10-tetrahydro-8-methyl-6,10-Methano-6H-pyrazino[2,3-h][3]benzazepine)

Item no.

USP-1A03360

Unit

25 mg

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USP-1A03370

Varenicline Acetamide (COLD SHIPMENT REQUIRED) (1-(6,7,9,10-tetrahydro-8H-6,10-methanoazepino[4,5-g]quinoxalin-8-yl)ethan-1-one)

Item no.

USP-1A03370

Unit

25 mg

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USP-1A03380

5-Hydroxy Lenalidomide (3-(4-amino-5-hydroxy-1-oxoisoindolin-2-yl)piperidine-2,6-dione)

Item no.

USP-1A03380

Unit

25 mg

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USP-1A03390

N-Formyl Lenalidomide (N-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindoIin-4-yl)formamide)

Item no.

USP-1A03390

Unit

25 mg

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USP-1A03470

O-Acetyl Bosentan (2-((6-((4-(tert-butyl)phenyl)sulfonamido)-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)oxy)ethyl acetate)

Item no.

USP-1A03470

Unit

25 mg

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USP-1A03480

Bosentan Bis4(tert-butylbenzenesulfonamide) (N,N'-(5-(2-methoxyphenoxy)-[2,2'-bipyrimidine]-4,6-diyl)bis(4-(tert-butyl)benzenesulfonamide))

Item no.

USP-1A03480

Unit

25 mg

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USP-1A03530

3-Deoxy 3-Chloroabiraterone (3Beta-Chloro-17-(pyridin-3-yl)androsta-5,16-diene)

Item no.

USP-1A03530

Unit

25 mg

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USP-1A03560

Fingolimod hexyl homolog (2-amino-2-(4-hexylphenethyl)propane-1,3-diol)

Item no.

USP-1A03560

CAS Number

[1201794-93-5]

Unit

25 mg

Molecular formula

C17H29NO2

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USP-1A03570

Fingolimod decyl homolog (2-amino-2-(4-decylphenethyl)propane-1,3-diol)

Item no.

USP-1A03570

CAS Number

[780729-32-0]

Unit

25 mg

Molecular formula

C21H37NO2

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USP-1A03580

6-Keto Fulvestrant ((7Alpha,17Beta)-7-[9-[4,4,5,5,5-pentafluoropentyl)sulfinyl]nonyl]-3,17Beta-dihydroxyestra-1,3,5(10)-trien-6-one, 7Alpha-{9-[(4,4,5,5,5,-Pentafluoropentyl)sulfinyl]nonyl}estra-1,3,5(10)-triene-6-one-3,17Beta-diol)

Item no.

USP-1A03580

Unit

25 mg

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USP-1A03590

5-Chloro Hydrochlorothiazide (5,6-dichloro-3,4-dihydro-2H-benzo[e][1,2,4]thiadiazine-7-sulfonamide 1,1-dioxide)

Item no.

USP-1A03590

CAS Number

[5233-42-1]

Unit

25 mg

Molecular formula

C7H7Cl2N3O4S2

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USP-1A03620

N-Methyl Lenalidomide (3-(4-(methylamino)-1-oxoisoindolin-2-yl)piperidine-2,6-dione)

Item no.

USP-1A03620

CAS Number

[2197421-58-0]

Unit

25 mg

Molecular formula

C14H15N3O3

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USP-1A04020

1-Methyl-4-nitrosopiperazine (MNP) Solution (1 mg/mL in Methanol) (1-Methyl-4-nitrosopiperazine)

Item no.

USP-1A04020

CAS Number

[16339-07-4]

Unit

1 mL

Molecular formula

C5H11N3O

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USP-1A04080

1-(2-Methoxyphenyl)-4-nitrosopiperazine Solution (1 mg/mL in Methanol) (1-(2-Methoxyphenyl)-4-nitrosopiperazine)

Item no.

USP-1A04080

Unit

1 mL

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USP-1A04190

1-Cyclopentyl-4-nitrosopiperazine (CPNP) Solution (1 mg/mL in Methanol) (1-Cyclopentyl-4-nitrosopiperazine)

Item no.

USP-1A04190

Unit

1 mL

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USP-1A04300

6-Bromo-6-deoxy-gamma-cyclodextrin (octakis-(6-bromo-6-deoxy)-gamma-cyclodextrin)

Item no.

USP-1A04300

Unit

10 mg

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USP-1A04330

3-Methyl Formoterol (N-(2-hydroxy-5-(1-hydroxy-2-((1-(4-methoxy-3-methylphenyl)propan-2-yl)amino)ethyl)phenyl)formamide)

Item no.

USP-1A04330

Unit

50 mg

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