의약품용 유연물질, 표준품 전문업체
Specialty of Pharmaceutical Impurity & Reference Standard

  • Ezetimibe
    Chemical name : (3R,4S)-1-(4-fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl) azetidin-2-one
    Mol. Formula : C24H21F2NO3
    Mol. Weight : 409.4 g/mol
    • Ezetimibe R Isomer
      Code : VE110001
      Chemical name : (3R,4S)-1-(4-Fluorophenyl)-3-[(3R)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)-2-azetidinone
    • Ezetimibe R,R,S Diastero Isomer (Ent-Ezetimibe)
      Code : VE110002
      Chemical name : (3S,4R)-1-(4-Fluorophenyl)-3-[(3R)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)-2-azetidinone
    • 1-Desfluoro Ezetimibe
      Code : VE110003
      Chemical name : (3R,4S)-3-[(3S)-3-(4-Fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)-1-phenyl-2-azetidinone
    • 3-Desfluoro Ezetimibe
      Code : VE110004
      Chemical name : (3R)-1-(4-fluorophenyl)-3-((S)-3-hydroxy-3-phenylpropyl)-4-(4-hydroxyphenyl)azetidin-2-one
    • Ezetimibe Tetrahydropyran Impurity
      Code : VE110005
      Chemical name : (2R,3R,6S)-N,6-Bis(4-fluorophenyl) tetrahydro-2-(4-hydroxyphenyl)-2H-pyran-3-carboxamide
    • 1,3-didefluoro Ezetimibe
      Code : VE110006
      Chemical name : (3R)-3((S)-3-hudroxy-3-phenylpropyl)-4-(4-hydroxyphenyl)-1-phenylazetidin-2-one
    • Deshydroxy Ezetimibe
      Code : VE110007
      Chemical name : (3R)-1-(4-fluorophenyl)-3-((S)-3-(4-fluorophenyl)-3-hydroxypropyl)-4-phenylazetidin-2-one
    • N-Benzyl Fluoro Aniline
      Code : VE110008
      Chemical name : N-benzyl-4-fluorobenzenamine
    • Hydroxy Imine (Alpha-(4-fluoro phenylimino)-p-cresol
      Code : VE110009
      Chemical name : 4-[[(4-Fluorophenyl)imino]methyl]-phenol
    • N,N-Dibenzyl 4-Fluoro Aniline
      Code : VE110010
    • Hydroxy Benzylated Ezetimibe (4’-O-Benzyloxy Ezetimibe)
      Code : VE110011
      Chemical name : (3R,4S)-4-[(4-Benzyloxy)phenyl]-1-(4-fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxy propyl]-2-azetidinone
    • Keto Benzylated Ezetimibe (Benzylated Ezetimibe)
      Code : VE110012
      Chemical name : (3R,4S)-4-[4-(Benzyloxy)phenyl]-1-(4-fluorophenyl)-3-[3-(4-fluorophenyl)-3-oxopropyl] azetidin-2-one
    • Ezetimibe 3R,4R-isomer
      Code : VE110013
      Chemical name : (3R,4R)-1-(4-Fluorophenyl)-3-[(S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl ) -2-azetidinone
    • Ezetimibe 3S,4R-isomer
      Code : VE110014
      Chemical name : (3S,4R)-1-(4-Fluorophenyl)-3-[(R)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl ) -2-azetidinone
    • Deshydroxy Imine Ezetimibe
      Code : VE110015
      Chemical name : 4-[[(4-Fluorophenyl)imino]methyl]-phenyl
    • Ezetimibe Ketone Impurity
      Code : VE110017
      Chemical name : (3R,4S)-1-(4-Fluorophenyl)-3-[3-(4-fluorophenyl)-3-oxopropyl]-4-(4-hydroxyphenyl)-2-azetidinone;
    • Ezetimibe Fluoro isomer
      Code : VE110019
      Chemical name : (3R,4S)-1-(4-fluorophenyl)-3(S)-[3-(2-fluorophenyl)-3hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one
    • Ezetimibe (3S,4R,3S)-Isomer
      Code : VE110020
      Chemical name : (3S,4R)-1-(4-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one
    • Ezetimibe (3R,4R,3.R)-isomer
      Code : VE110022
      Chemical name : (3R,4R)-1-(4-Fluorophenyl)-3-[(3R)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)-2-azetidinone
    • Ezetimibe (3R,4R,3.R)-isomer
      Code : VE110024
      Chemical name : (3R,4S)-1-(4-Fluorophenyl)-3-((S)-3-hydroxy-3-(p-tolyl)propyl)-4-(4-hydroxyphenyl)azetidin-2-one
    • Ezetimibe 2-Fluoro Impurity
      Code : VE110033
      Chemical name : (3R,4S)-1-(2-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3-hydroxypropyl]-4-(4-hydroxyphenyl)azetidin-2-one
  • Epirubicin Hydrochloride
    Chemical name : (8S,10S)-10-[(3-Amino-2,3,6-trideoxy-a-L-arabino-hexopyranosyl)oxy]-6,8,11- trihydroxy-8-(hydroxyacetyl)-1-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione hydrochloride.
    Mol. Formula : C27H30ClNO11
    Mol. Weight : 579.98 g/mol
    • Epirubicin EP Imp A: (Doxorubicinone)
      Code : VE120001
      Chemical name : (8S,10S)-6,8,10,11-tetrahydroxy-8-(hydroxyacetyl)-1-methoxy-7,8,9, 10-tetrahydro tetracene-5,12-dione
    • Epirubicin EP Imp D: (Daunorubicin)
      Code : VE120002
      Chemical name : (8S,10S)-8-acetyl-10-[(3-amino-2,3,6-trideoxy-a-L-lyxo-hexopyranosyl)oxy]-6,8, 11-trihydroxy-1-methoxy-7,8,9,10-tetrahydrotetracene-5,12-dione
  • Eicosapentaenoic Acid
    Chemical name : (5Z,8Z,11Z,14Z,17Z)-5,8,11,14,17-icosapentaenoic acid
    Mol. Formula : C20H30O2
    Mol. Weight : 302.451 g/mol
    • Eicosapentaenoic Acid Ethyl Ester
      Code : VE140001
      Chemical name : (5Z,8Z,11Z,14Z,17Z)-5,8,11,14,17-Eicosapentaenoic Acid Ethyl Ester;
  • Etomidate
    Chemical name : Ethyl 1-[(1R)-1-phenylethyl]-1H-imidazole-5-carboxylate
    Mol. Formula : C14H16N2O2
    Mol. Weight : 244.3 g/mol
  • Entecvir
    Chemical name : 2-Amino-1,9-dihydro-9-[(1S,3R,4S)-4-hydroxy-3-(hydroxymethyl)-2-methylene cyclopentyl]-6H-Purin-6-one
    Mol. Formula : C12H15N5O3
    Mol. Weight : 277.28 g/mol
    • 4-epi-Entecavir
      Code : VE170003
      Chemical name : 2-Amino-1,9-dihydro-9-[(1S,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one
    • (1R,3R,4R)-Entecavir
      Code : VE170011
      Chemical name : 2-Amino-1,9-dihydro-9-[(1R,3R,4R)-4-hydroxy-3-(hydroxymethyl)-2-methylenecyclopentyl]-6H-purin-6-one
  • Efavirenz
    Chemical name : (4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one
    Mol. Formula : C14H9ClF3NO2
    Mol. Weight : 315.67g/mol
    • Efavirenz Amino alcohol(RC A)
      Code : VE180001
      Chemical name : (S)-1-(2-Amino-5-chlorophenyl)-1-(trifluoromethyl)-3-cyclopropyl-2-propyn-1-ol
    • Efavirenz Ethane Analogue(RC B)
      Code : VE180002
      Chemical name : (E)-Dihydro Efavirenz
    • Efavirenz RC C
      Code : VE180004
      Chemical name : 6-chloro-2-cyclopropyl-4-(trifluoromethyl)quinoline
    • Enantiomer Efavirenz
      Code : VE180006
      Chemical name : (4R)-6-Chloro-4-(cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one
  • Emtricitabine
    Chemical name : 4-amino-5-fluoro-1-(2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-(2r-cis)-2(1h)-pyrimidinone
    Mol. Formula : C8H10FN3O3S
    Mol. Weight : 247.24 g/mol
    • Emtricitabine Impurity ( CEM Enantiomer impurity)
      Code : VE190003
      Chemical name : 2-Isopropyl-5-methylcyclohexyl 5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylate
    • Emtricitabine O-β-D-Glucuronide Sodium Salt
      Code : VE190009
      Chemical name : (2R-cis)-[5-(4-Amino-5-fluoro-2-oxo-1(2H)-pyrimidinyl)-1,3-oxathiolan-2-yl]methyl β-D-Glucopyranosiduronic Acid Sodium Salt
  • Exenatide Acetate
    Chemical name : Exendin-4
    Mol. Formula : C184H282N50O60S
    Mol. Weight : 4246.62 g/mol
    • Exenatide D5 Acetate
      Code : VE2100001
      Chemical name : Exendin-4-d5
  • Erlotinib Hydrochloride
    Chemical name : N-(3-Ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine, Hydrochloride Salt,
    Mol. Formula : C22H24ClN3O4
    Mol. Weight : 429.9 g/mol
    • Erlotinib
      Code : VE240001
      Chemical name : N-(3-Ethynylphenyl)-6,7-bis(2-methoxyethoxy)-4-quinazolinamine
    • Erlotinib-d6 Hydrochloride
      Code : VE240002
      Chemical name : N-(3-Ethynylphenyl)-6,7-bis(2-methoxyethoxyd3)-4-quinazolinamine Hydrochloride
    • Erlotinib Impurity-(3-Ethynylaniline)
      Code : VE240003
      Chemical name : (3-Ethynylphenyl)amine
    • Erlotinib Intermediate
      Code : VE240009
      Chemical name : 4-Chloro-6,7-bis-(2-chloroethoxy)quinazoline
  • Ethionamide
    Chemical name : 2-Ethylthioisonicotinamide
    Mol. Formula : C8H10N2S
    Mol. Weight : 166.24 g/mol
    • Ethionamide USP Impurity: (Thioisonicotinamide)
      Code : VE300001
      Chemical name : 4-Pyridinecarbothioamide; Isonicotinic Acid Thioamide
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