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
  • 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
  • Exemestane
    Chemical name : 6-Methyleneandrosta-1,4-diene-3,17-dione
    Mol. Formula : C20H24O2
    Mol. Weight : 296.4 g/mol
    • 6-Oxo Boldione
      Code : VE350001
      Chemical name : Androsta-1,4-diene-3,6,17-trione
  • Etoricoxib
    Mol. Formula : C18H15ClN2O2S
    Mol. Weight : 358.84 g/mol
    • Etoricoxib Imp A (USP R C A)
      Code : VE320001
      Chemical name : 4-Methylsulphonylacetophenone
    • Etoricoxib Imp C (USP R C C)
      Code : VE320003
      Chemical name : 2-chloro-1,3-bis(dimethyl amino)trimethinium hexafluorophosphate
    • Etoricoxib Impurity D
      Code : VE320004
      Chemical name : 1-(6-methylpyridin-3-yl)-2-(4-(methylsulfonyl)phenyl)ethanone
    • Etoricoxib Impurity E
      Code : VE320004
      Chemical name : 6-Methylpyridine-3-carboxylic Acid Methyl Ester
  • Etoposide
    Chemical name : (5R,5aR,8aR,9S)-9-[[4,6-O-[(R)-Ethylidene]-b-D-glucopyranosyl]oxy]-5-(4-hydroxy-3, 5-dimethoxyphenyl)-5,8,8a,9-tetrahydroisobenzofuro[5,6-f][1,3]benzodioxol-6(5aH)- one.
    Mol. Formula : C29H32O13
    Mol. Weight : 588.6g/mol
    • Etoposide EP Impurity D ( Lignan P)
      Code : VE420001
      Chemical name : (5R,5aR,8aR,9S)-9-(b-D-glucopyranosyloxy)-5-(4-hydroxy-3,5-dimethoxyphenyl)- 5,8,8a,9-tetrahydroisobenzofuro-[5,6-f][1,3]benzodioxol-6(5aH)-one (lignan P)
  • Etomidate
    Chemical name : Ethyl 1-[(1R)-1-phenylethyl]-1H-imidazole-5-carboxylate
    Mol. Formula : C14H16N2O2
    Mol. Weight : 244.3 g/mol
  • Etodolac
    Chemical name : 2-[(1RS)-1,8-Diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid.
    Mol. Formula : C17H21NO3
    Mol. Weight : 287.35 g/mol
    • Etodolac EP Imp C(USP RC A)
      Code : VE040001
      Chemical name : 2-[(1RS)-8-ethyl-1-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetic acid (1-methyl etodolac)
    • Etodolac EP Imp H :(7-Ethyltryptophol)
      Code : VE040002
      Chemical name : 2-(7-ethyl-1H-indol-3-yl)ethanol
    • Etodolac Impurity I
      Code : VE040024
      Chemical name : (3RS) -3-[7-ethyl-3-(2-hydroxyethyl)-1H-indol-2-yl]-3-(7-ethyl-1H-indol-3- yl)pentanoic acid
    • Etodolac EP Imp J
      Code : VE040003
      Chemical name : (1RS)-1,8-diethyl-1-methyl-1,3,4,9-tetrahydropyrano[3,4-b]indole (decarboxy etodolac)
    • Etodolac Imp K
      Code : VE040004
      Chemical name : methyl 2-[(1RS)-1,8-diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indol-1-yl]acetate (etodolac methyl ester)
    • Etodolac Impurity LEtodolac Impurity L
      Code : VE040025
      Chemical name : 3-(7-Ethyl-3-(2-hydroxyethyl)-1H-indol-2-yl)pent-2-enoic Acid
  • 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
  • Ethinyl Estradiol
    Chemical name : 19-Nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol
    Mol. Formula : C20H24O2
    Mol. Weight : 296.40 g/mol
    • Ethinyl Estradiol EP Impurity B
      Code : VE050003
      Chemical name : (17α)-19-Norpregna-1,3,5(10),9(11)-tetraen-20-yne-3,17-diol
    • Ethinyl Estradiol EP Impurity C: (Estrone)
      Code : VE050001
      Chemical name : 1,3,5(10)-Estratrien-3-ol-17-one; 3-Hydroxy-1,3,5(10)-estratrien-17-one
    • Ethinyl Estradiol EP Impurity F
      Code : VE050004
      Chemical name : 6β-Hydroxy-ethynyl estradiol
    • Ethinyl Estradiol EP Impurity I
      Code : VE050002
      Chemical name : Delta-6(7)-ethinyl estradiol
    • Ethinyl Estradiol EP Impurity K
      Code : VE050005
      Chemical name : R1 = CH3, R2 = R3 = R4 = R5 = H, R6 = C≡CH, R7 = OH: 4-methyl-19-nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol (4-methyl-ethinylestradiol),
    • Ethinylestradiol-d4
      Code : VE050006
      Chemical name : 17α-Ethynylestradiol-2,4,16,16-d4
    • Estrone-d4
      Code : VE050007
      Chemical name : 3-Hydroxyestra-1,3,5(10)-trien-17-one-d4
    • 17ß- Estradiol 16,16,17-d3 (Estradiol-d3)
      Code : VE050008
      Chemical name : (17β)-Estra-1,3,5(10)-triene-3,17-diol-d3; 3,17-Epidihydroxyestratriene-d3
    • 2-Methyl-3,17ß-estradiol
      Code : VE050009
      Chemical name : (17β)-2-Methylestra-1,3,5(10)-triene-3,17-diol
    • Ehinylestradiol EP Imp D (ß-Estradiol)
      Code : VE050010
      Chemical name : (17β)-estra-1,3,5(10)-triene-3,17-diol
    • Estradiol-d4
      Code : VE050011
      Chemical name : 17ß-Estradiol-2,4,16,16-d4
    • 17β-Ethynyl-3-17α Estradiaol
      Code : VE050012
      Chemical name : 17-epi-Ethynyl Estradiol
    • 17α Estradiaol
      Code : VE050013
      Chemical name : 17α)-Estra-1,3,5(10)-triene-3,17-diol; 1,3,5-Estratriene-3,17α-diol;
    • 17β-estardiol sodium sulphate (Conjugated Estrogens EP IMP –F)
      Code : VE050014
      Chemical name : 17b-hydroxyestra-1,3,5(10),6,8-pentaen-3-yl sodium sulfate
    • Estrone Acetate
      Code : VE050021
      Chemical name : 17-Oxoestra-1(10),2,4-trien-3-yl acetate
    • Estradiol 3-Enanthate
      Code : VE050023
      Chemical name : Estradiol 3-Enanthate
    • Estradiol Enanthate
      Code : VE050025
      Chemical name : 3-Hydroxyestra-1,3,5(10)-trien-17β-ylEster Heptanoic Acid, 17-Heptanoate Estradiol
  • Ethambutol Hydrochloride
    Chemical name : (2S,2’S)-2,2’-(ethylenediimino) dibutan -1-ol dihydrochloride
    Mol. Formula : C10H26Cl2N2O2
    Mol. Weight : 277.2 g/mol
    • Ethambutol Meso Isomer
      Code : VE100001
      Chemical name : R = CH2-OH, R’ = H: (2R,2’S)-2,2’-(ethylenediimino)dibutan-1-ol (meso-ethambutol),
    • Ethambutol EP Imp A
      Code : VE100002
      Chemical name : 2-aminobutan-1-ol
    • Ethambutol Metabolite
      Code : VE100003
      Chemical name : 2,2’-(Ethylenediimino)dibutyric acid
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