Pharmaceutical impurities are the unwanted chemicals that remain with the API, develop during formulation, or upon degradation of both API and drug products. We provide all types of impurity standards. If not listed please ask us.

Showing 1–12 of 2080 results

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?-[(Dimethylamino)methyl]-?-ethyl-benzenemethanol

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Cat. No: IS2-618

CAS Number:   5612-61-3

Product Details:  Molecular Formula : C12H19NO; MW : 193.28

IUPAC:  1-(dimethylamino)-2-phenylbutan-2-ol

Synonyms:  1-(dimethylamino)-2-phenylbutan-2-ol; 5612-61-3; alpha-[(Dimethylamino)methyl]-alpha-ethyl-benzenemethanol; 1-(DIMETHYLAMINO)-2-PHENYL-2-BUTANOL; SCHEMBL949142; 1-phenyl-1-dimethylaminomethyl-1-propanol

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?-Carotene

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>Cat. No: CRT100

CAS Number:   7235-40-7

Product Details:   Mol. Formula: C40H56,Mol. Weight: 536.9

IUPAC:  1,3,3-trimethyl-2-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethylcyclohexen-1-yl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohexene

Synonyms:  beta-carotene, 7235-40-7, beta Carotene, beta,beta-Carotene

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(-) Venlafaxine

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Cat. No: IS2-604

CAS Number:   NA

Product Details:  Molecular Formula : Request Info; MW : Request Info

IUPAC:  Request Info

Synonyms:  Request Info

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(+) Venlafaxine

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Cat. No: IS2-603

CAS Number:   NA

Product Details:  Molecular Formula : Request Info; MW : Request Info

IUPAC:  Request Info

Synonyms:  Request Info

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(1R,4S)-2-Azabicyclo[2.2.1]hept-5-en-3-one

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Cat. No: GMSI-116

CAS Number:   79200-56-9

Product Details:  Mol Formula: C6H7NO, MW:109.13

IUPAC:  (1R,4S)-2-azabicyclo[2.2.1]hept-5-en-3-one

Synonyms:  (1R,4S)-2-Azabicyclo[2.2.1]hept-5-en-3-one; (-)-(1R,4S)-2-Azabicyclo[2.2.1]hept-5-en-3-one; ;

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(2-Amino-3,5-dibromophenyl)methanol

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Cat. No: GMSI-173

CAS Number:   50739-76-9

Product Details:  Mol Formula: C7H7Br2NO, MW:280.94

IUPAC:  (2-amino-3,5-dibromophenyl)methanol

Synonyms:  (2-amino-3,5-dibromophenyl)methanol; 50739-76-9; 2-AMINO-3,5-DIBROMOBENZYL ALCOHOL; Benzenemethanol, 2-amino-3,5-dibromo-

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(2-Butylbenzofuran-3-yl)(4-hydroxyphenyl)methanone

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Cat. No: GMSI-140

CAS Number:   52490-15-0

Product Details:  Mol Formula: C19H18O3, MW:294.34

IUPAC:  (2-butyl-1-benzofuran-3-yl)-(4-hydroxyphenyl)methanone

Synonyms:  52490-15-0; 2-Butyl-3-(4-hydroxybenzoyl)benzofuran; (2-Butylbenzofuran-3-yl)(4-hydroxyphenyl)methanone; L-3372

Stock Status:  1 to 2 week

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(2R,3S)-3-(tert-Boc)amino-1,2-epoxy-4-phenylbutane

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Cat. No: IS2-494

CAS Number:   NA

Product Details:  Molecular Formula : Request Info; MW : Request Info

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(2R)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile

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Cat. No: IS2-685

CAS Number:   565452-98-4

Product Details:  Molecular Formula : C7H9ClN2O; MW : 172.61

IUPAC:  (2R)-1-(2-chloroacetyl)pyrrolidine-2-carbonitrile

Synonyms:  565452-98-4; (R)-1-(2-chloroacetyl)pyrrolidine-2-carbonitrile; (2R)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile; (2R)-1-(2-chloroacetyl)pyrrolidine-2-carbonitrile; (R)-1-(Chloroacetyl)-2-pyrrolidinecarbonitrile; 2-Pyrrolidinecarbonitrile, 1-(chloroacetyl)-, (2R)-

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(2R)-Vildagliptin

$312.00$625.00

Cat. No: IS2-695

CAS Number:   1036959-27-9

Product Details:  Molecular Formula : C17H25N3O2; MW : 33.4

IUPAC:  1-[2-[(3-hydroxy-1-adamantyl)amino]acetyl]pyrrolidine-2-carbonitrile

Synonyms:  Vildagliptin; (2R)-Vildagliptin; 136959-27-9; 27491-16-5; 1-[2-[(3-hydroxy-1-adamantyl)amino]acetyl]pyrrolidine-2-carbonitrile; SCHEMBL35491

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(2S ,3S )-3-Amino-4-phenyl-1-{1-[4-(pyridin-2- yl)benzyl]-2-[4-(pyridin-2-yl) benzylidene]hydrazinyl}butan-2-ol.

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Cat. No: IS2-491

CAS Number:   NA

Product Details:  Molecular Formula : Request Info; MW : Request Info

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(2S,3S)-3-Boc-amino-1,2-epoxy-4-phenylbutane

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Cat. No: IS2-480

CAS Number:   98737-29-2

Product Details:  Molecular Formula : C15H21NO3; MW : 263.33

IUPAC:  tert-butyl N-[(1S)-1-[(2S)-oxiran-2-yl]-2-phenylethyl]carbamate

Synonyms:  98737-29-2; (2S,3S)-1,2-Epoxy-3-(Boc-amino)-4-phenylbutane; (2S,3S)-N-t-Boc-3-amino-1,2-epoxy-4-phenylbutane; (2S,3S)-(-)-3-(t-BOC-amino)-1,2-Epoxy-4-phenylbutane; 28619-82-7; tert-Butyl ((S)-1-((S)-oxiran-2-yl)-2-phenylethyl)carbamate

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