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Pharmaceutical Reference Standards

USP - United States Pharmacopeia Pharmaceutical Analytical Impurities

1527 products found

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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-1A01520

Rivaroxaban N-methylphthalamido Analog ((S)-N1-methyl-N2-((2-oxo-3-(4-(3-oxomorpholino)phenyl)oxazolidin-5-yl)methyl)phthalamide)

Item no.

USP-1A01520

CAS Number

[2206360-74-7]

Unit

25 mg

Molecular formula

C23H24N4O6

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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-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-1A01700

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

Item no.

USP-1A01700

CAS Number

[141109-19-5]

Unit

25 mg

Molecular formula

C15H16ClNO2S.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-1A03320

Isocyclosporin A (COLD SHIPMENT REQUIRED)

Item no.

USP-1A03320

CAS Number

[59865-16-6]

Unit

25 mg

Molecular formula

C62H111N11O12

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USP-1A03490

(1S,2R)-Eliglustat Diastereomer (N-[(1S,2R)-2-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-hydroxy-1-(1-pyrrolidinylmethyl)ethyl]octanamide)

Item no.

USP-1A03490

Unit

25 mg

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USP-1A03520

3-Deoxy-3-acetyl Abiraterone-3-ene

Item no.

USP-1A03520

Unit

25 mg

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USP-1A03910

Vilanterol Diamine Triphenylacetate (4,4'-((1R,1'R)-((oxybis(hexane-6,1-diyl))bis(azanediyl))bis(1-hydroxyethane-2,1-diyl))bis(2-(hydroxymethyl)phenol), 2,2,2-triphenylacetate))

Item no.

USP-1A03910

Unit

25 mg

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USP-1A03920

N-Nitroso Varenicline (NNV) Solution (1 mg/mL in Methanol) (8-nitroso-7,8,9,10-tetrahydro-6H-6,10-methanoazepino[4,5-g]quinoxaline)

Item no.

USP-1A03920

Unit

1 mL

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USP-1A03960

N-Nitroso Sitagliptin Amine (NTTP) Solution (1 mg/mL in Methanol) (7-nitroso-3-(trifluoromethyl)-5,6,7,8-tetrahydro-[1,2,4]triazolo[4,3-a]pyrazine)

Item no.

USP-1A03960

Unit

1 mL

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USP-1A03970

N-Nitroso-1,2,3,6-tetrahydropyridine (NTHP) Solution (1 mg/mL in Methanol) (1-nitroso-1,2,3,6-tetrahydropyridine)

Item no.

USP-1A03970

Unit

1 mL

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USP-1A03990

N-Nitroso-N-methyl-2-phenylethylamine (NMPEA) Solution (1 mg/mL in Methanol) (N-methyl-N-phenethylnitrous amide)

Item no.

USP-1A03990

Unit

1 mL

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USP-1A04000

N-Nitroso Duloxetine Solution (1 mg/mL in Methanol)) (N-Methyl-3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)-N-nitrosopropan-1-amine)

Item no.

USP-1A04000

Unit

1 mL

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USP-1A04010

4-(N-Methyl-N-nitrosamino)-1-(pyridin-3-yl)-1-butanone (NNK) Solution (1 mg/mL in Methanol) (N-methyl-N-(4-oxo-4-(pyridin-3-yl)butyl)nitrous amide)

Item no.

USP-1A04010

Unit

1 mL

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USP-1A04030

N-Nitroso Rasagiline Solution (1 mg/mL in Methanol) ((R)-N-(2,3-Dihydro-1H-inden-1-yl)-N-(prop-2-yn-1-yl)nitrous amide)

Item no.

USP-1A04030

Unit

1 mL

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USP-1A04050

N-Nitroso Tamsulosin Solution (1 mg/mL in Methanol) ((R)-5-(2-((2-(2-ethoxyphenoxy)ethyl)(nitroso)amino)propyl)-2-methoxybenzenesulfonamide)

Item no.

USP-1A04050

Unit

1 mL

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USP-1A04070

N-Nitrosoiminodiacetic acid Solution (1 mg/mL in Acetonitrile) (2,2'-(nitrosoazanediyl)diacetic acid)

Item no.

USP-1A04070

Unit

1 mL

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USP-1A04090

N-Nitroso Tetraxetan Triacetic Acid (2,2',2''-(10-nitroso-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetic acid)

Item no.

USP-1A04090

Unit

10 mg

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USP-1A04170

2-(4-Nitrosopiperazin-1-yl)pyrimidine Solution (1 mg/mL in Methanol) (2-(4-nitrosopiperazin-1-yl)pyrimidine)

Item no.

USP-1A04170

Unit

1 mL

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USP-1A04180

N-Nitroso Quinapril Solution (1 mg/mL in Acetonitrile) ((S)-2-(N-((S)-1-ethoxy-1-oxo-4-phenylbutan-2-yl)-N-nitroso-L-alanyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid)

Item no.

USP-1A04180

Unit

1 mL

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USP-1A04240

N-Nitroso Labetalol Solution (1 mg/mL in Methanol) (2-hydroxy-5-(1-hydroxy-2-(nitroso(4-phenylbutan-2-yl)amino)ethyl) benzamide)

Item no.

USP-1A04240

Unit

1 mL

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USP-1A04470

O-Desmethyl Apremilast ((S)-N-(2-(1-(3-ethoxy-4-hydroxyphenyl)-2-(methylsulfonyl)ethyl)-1,3-dioxoisoindolin-4-yl)acetamide)

Item no.

USP-1A04470

Unit

25 mg

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USP-1A04510

Canagliflozin Tetraacetate ((2R,3R,4R,5S,6S)-2-(acetoxymethyl)-6-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate)

Item no.

USP-1A04510

Unit

25 mg

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USP-1A04550

Diquinolinone Butanediol (7,7'-(Butane-1,4-diylbis(oxy))bis(quinolin-2(1H)-one))

Item no.

USP-1A04550

Unit

25 mg

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USP-1A04600

N-Alkyl Brexpiprazole (7-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)-1-(4-((2-oxo- 1,2- dihydroquinolin-7-yl)oxy)butyl)quinolin-2(1H)-one)

Item no.

USP-1A04600

Unit

25 mg

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USP-1A04630

Fluticasone Propionate Thioacid ((6alpha,11Beta,16alpha,17alpha)-6,9-Difluoro-11-hydroxy-16-methyl-3-oxo-17-(1-oxopropoxy)androsta-1,4-diene-17-carbothioic acid)

Item no.

USP-1A04630

Unit

25 mg

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USP-1A04640

Ticabesone Furoate

Item no.

USP-1A04640

Unit

25 mg

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USP-1A04650

Fluticasone Furoate 17-Carboxylic Acid

Item no.

USP-1A04650

CAS Number

[397864-63-0]

Unit

25 mg

Molecular formula

C26H28F2O7

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USP-1A04660

Fluticasone Oxathiolane

Item no.

USP-1A04660

Unit

25 mg

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USP-1A04730

Tolvaptan Open Ring Hydroxyacid (4-(5-chloro-2-(2-methyl-4-(2-methylbenzamido)benzamido)phenyl)-4-hydroxybutanoic acid)

Item no.

USP-1A04730

Unit

25 mg

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USP-1A04800

tert-Butyl ((1S,2R,5S)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate oxalate (tert-butyl ((1S,2R,5S)-2-amino-5-(dimethylcarbamoyl)cyclohexyl)carbamate oxalate)

Item no.

USP-1A04800

Unit

25 mg

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USP-1A04830

N-(2-Methoxypyrimidin-4-yl)-N,2,3-trimethyl-2H-indazol-6-amine (N-(2-methoxypyrimidin-4-yl)-N,2,3-trimethyl-2H-indazol-6-amine)

Item no.

USP-1A04830

Unit

25 mg

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USP-1A04870

N-Acetyl Linagliptin ((R)-N-(1-(7-(but-2-yn-1-yl)-3-methyl-1-((4-methylquinazolin-2-yl)methyl)-2,6-dioxo-2,3,6,7-tetrahydro-1H-purin-8-yl)piperidin-3-yl)acetamide)

Item no.

USP-1A04870

Unit

25 mg

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USP-1A04880

3-Methyl-7-(2-butyn-1-yl)-8-bromoxanthine (8-bromo-7-(but-2-yn-1-yl)-3-methyl-3,7-dihydro-1H-purine-2,6-dione)

Item no.

USP-1A04880

Unit

25 mg

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USP-1A04900

7-Hydroxymethyl Drospirenone (7Beta-(Hydroxymethyl)-3-oxo-15alpha,16alpha-dihydro-3'H-cyclopropa[15,16]-17alpha-pregn-4-ene-21,17-carbolactone)

Item no.

USP-1A04900

Unit

10 mg

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USP-1A04920

7-Chloromethyl 17-Epidrospirenone

Item no.

USP-1A04920

Unit

25 mg

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USP-1A04950

cis-Lurasidone Hydrochloride (rel-(3aR,4S,7R,7aS)-2-(((1R,2S)-2-((4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methyl)hexahydro-1H-4,7-methanoisoindole-1,3(2H)-dione, hydrochloride)

Item no.

USP-1A04950

Unit

25 mg

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USP-1A04960

endo-Lurasidone ((3aR,4R,7S,7aS)-2-{[1R,2R]-2-[4-(1,2-benzisothiazol-3-yl)-piperazin-1-yl-methyl]-cyclohexyl methyl}hexahydro-4,7-methano-2H-isoindole-1,3-dione)

Item no.

USP-1A04960

Unit

25 mg

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USP-1A04970

2-(5-Iodo-2-methylbenzyl)-5-phenylthiophene (COLD SHIPMENT REQUIRED) (2-(5-iodo-2-methylbenzyl)-5-phenylthiophene)

Item no.

USP-1A04970

Unit

25 mg

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USP-1A05000

Mirabegron S-Enantiomer ((S)-2-(2-aminothiazol-4-yl)-N-(4-(2-((2-hydroxy-2-phenylethyl)amino)ethyl)phenyl)acetamide)

Item no.

USP-1A05000

Unit

25 mg

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USP-1A05030

Desimidazoline Sunitinib (5-Formyl-2,4-dimethyl-1H-pyrrole-3-carboxylic acid (2-diethylaminoethyl)amide)

Item no.

USP-1A05030

Unit

25 mg

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USP-1A05050

Sunitinib N-Oxide ((Z)-N,N-diethyl-2-(5-((5-fluoro-2-oxoindolin-3-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxamido)ethan-1-amine oxide)

Item no.

USP-1A05050

Unit

25 mg

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USP-1A05060

Desethyl Sunitinib ((Z)-N-(2-(ethylamino)ethyl)-5-((5-fluoro-2-oxoindolin-3-ylidene)methyl)-2,4-dimethyl-1H-pyrrole-3-carboxamide)

Item no.

USP-1A05060

Unit

25 mg

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USP-1A05070

7-Chloromethyl Drospirenone

Item no.

USP-1A05070

Unit

10 mg

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USP-1A05090

Emtricitabine Sulfoxide (4-Amino-5-fluoro-1-((2R,5S)-2-(hydroxymethyl)-3-oxido-1,3-oxathiolan-5-yl)pyrimidin-2(1H)-one)

Item no.

USP-1A05090

Unit

25 mg

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USP-1A05100

Methyl Dithienyl glycolate (Methyl 2-hydroxy-2,2-di(thiophen-2-yl)acetate)

Item no.

USP-1A05100

Unit

25 mg

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USP-1A05120

Lamivudine R-sulfoxide ((4-amino-1-[(2R,3R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidin-2(1H)-one S-oxide)

Item no.

USP-1A05120

Unit

25 mg

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USP-1A05130

Lamivudine Uracil Derivative (1-[(2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl]pyrimidine-2,4(1H,3H)-dione)

Item no.

USP-1A05130

Unit

25 mg

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