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

  • Dexamethasone:(Dexamethasone Sodium Phosphate EP Imp A)
    Chemical name : 9-Fluoro-11β,17,21-trihydroxy-16α-methylpregna-1,4-diene-3,20-dione
    Mol. Formula : C22H29FO5
    Mol. Weight : 392.5 g/mol
    • Dexamethasone Sodium Phosphate EP Imp B
      Code : VD240003
      Chemical name : 9-fluoro-11β,17-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-dien-21-yl disodium phosphate (bethamethasone disodium phosphate).
    • Dexamethasone 21-Acetate (Dexamethasone Sodium Phosphate Imp G)
      Code : VD240004
      Chemical name : 9-Fluoro-11β,17-dihydroxy-16α-methyl-3,20-dioxopregna-1,4-dien-21-yl acetate
    • Dexamethasone Sodium Phosphate Imp EP G
      Code : VD240007
      Chemical name : 9-fluoro-11b,17-dihydroxy-16a-methyl-3-oxoandrosta-1,4-diene-17b-carboxylic acid,
    • Dexamethasone EP Impurity D
      Code : VD240012
      Chemical name : 16-beta Methyl Epoxide
    • Dexamethasone –D4
      Code : VD240001
      Chemical name : 9-Fluoro-11β,17,21-trihydroxy-16α-methylpregna-1,4-diene-3,20-dione
    • Dexamethasone Sodium Phosphate
      Code : VD240002
      Chemical name : 9-Fluoro-11β,17-dihydroxy-16α-methyl-3,20-dioxopregna-1,4-dien-21-yl disodium phosphate
    • Dexamethasone 20-Carboxy Impurity
      Code : VD240005
      Chemical name : 20-Carboxy-17-desoxy Dexamethasone
    • Dexamethasone 21-Dehydro Impurity
      Code : VD240006
      Chemical name : 21-Dehydro-17-desoxy Dexamethasone
    • 21-Hemiacetal Dexamethasone
      Code : VD240019
      Chemical name : 21-Hemiacetal Dexamethasone
    • Dexamethasone-∆17,20 21-Aldehyde
      Code : VD240026
      Chemical name : (11β,16α)-9-Fluoro-11,20-dihydroxy-16-methyl-3-oxopregna-1,4,17(20)-trien-21-al; 9-Fluoro-11β,20-dihydroxy-16α-methyl-3-oxopregna-1,4,17(20)-trien-21-al
    • Dexamethasone Ethyl Ester
      Code : VD240027
      Chemical name : (8S,9R,10S,11S,13S,14S,16R,17R)-ethyl 9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylate
    • 21-Dehydro Dexamethasone Hydrate
      Code : VD240030
      Chemical name : (11β,16α)-9-Fluoro-11,17-dihydroxy-16-methyl-3,20-dioxopregna-1,4-dien-21-al
    • 17-Oxo Dexamethasone
      Code : VD240031
      Chemical name : 9-Fluoro-11-hydroxy-16-methyl-(11β,16α ) Androsta-1,4-diene-3,17-dione; 17-Oxo Dexamethasone
  • Doxycycline Hyclate
    Chemical name : Doxycycline Hydrochloride Hemiethanolate Hemihydrate
    Mol. Formula : C22H24N2O8•1/2C2H6O•HCl•1/2H2O
    Mol. Weight : 503.93 g/mol(as Anhydrous)
    • Doxycycline Monohydrate
      Code : VD250000B
      Chemical name : (4S,4aR,5S,5aR,6R,12aS)-4-(Dimethylamino)-3,5,10,12, 12a-pentahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12aoctahydrotetracene-2-carboxamide monohydrate
    • Doxycycline USP RC A(6- epidoxycycline HCl)
      Code : VD250001A
      Chemical name : 2-Naphthacenecarboxamide, 4-(dimethylamino)-1,4,4a,5,5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-, monohydrochloride
    • Metacycline HCL (Doxycycline EP Impurity B)
      Code : VD250003
      Chemical name : (4S,4aR,5S,5aR,12aS)-4-(Dimethylamino)-1,4,4a,5, 5a,6,11,12a-octahydro-3,5,10,12,12a-pentahydroxy-6-methylene-1,11-dioxo-2-naphthacenecarboxamide Hydrochloride
  • Doxylamine Succinate
    Chemical name : N,N-dimethyl-2-[(1RS)-1-phenyl-1-(pyridin-2-yl)ethoxy(ethanamine hydrogen butanedioate
    Mol. Formula : C17H22N2O,C4H6O4
    Mol. Weight : 388.5 g/mol
    • Doxylamine EP Impurity B
      Code : VD290001
      Chemical name : (1RS)-1-phenyl-1-(pyridin-2-yl)ethanol; α-Methyl-α-phenyl-2-pyridinemethanol; α-Methyl-α-pyridylbenzyl Alcohol
    • Doxylamine EP Impurity C
      Code : VD290002
      Chemical name : N,N-Dimethyl-2-(phenyl-2-pyridinylmethoxy)ethanamine; 2-[α-[2-(Dimethylamino)ethoxy]benzyl]pyridine
    • Doxylamine EP Impurity D: (2-Benzoylpyridine)
      Code : VD290003
      Chemical name : phenyl(pyridin-2-yl)methanone
  • Dicloxacillin Sodium
    Chemical name : Sodium (2S,5R,6R)-6-[[[3-(2,6-dichlorophenyl)-5-methylisoxazol-4- yl]carbonyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0] heptane-2- carboxylate monohydrate
    Mol. Formula : C19H16Cl2N3NaO5S,H2O
    Mol. Weight : 510.3g/mol
    • Dicloxacillin Impurity D
      Code : VD320002
      Chemical name : 3-(2,6-Dichlorophenyl)-5-methylisoxazole-4-carboxylic acid
  • Dothiepin (Dosuleptin) Hydrochloride
    Chemical name : (E)-3-(Dibenzo[b,e]thiepin-11(6H)-ylidene)-N,N-dimethylpropan-1-amine hydrochloride
    Mol. Formula : C19H21NSHCl
    Mol. Weight : 331.9 g/mol
    • Dothiepin EP Imp B
      Code : VD350001
      Chemical name : dibenzo[b,e]thiepin-11(6H)-one; 6,11-dihydrodibenzo[b,e]thiepin-11-one
  • Dorzolamide Hydrochloride
    Chemical name : (4S,6S)-4-(Ethylamino)-5,6-dihydro-6-methyl-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-Dioxide Hydrochloride;
    Mol. Formula : C10H17ClN2O4S3
    Mol. Weight : 360.9 g/mol 
    • Dorzolamide USP RC A
      Code : VD380001
      Chemical name : (4R,6R)-4-(ethylamino)-6-methyl-4,5,6,7a-tetrahydro-3aH-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide
    • Dorzolamide USP RC B
      Code : VD380003
      Chemical name : ((4R,6S)-4-(Ethylamino)-6-methyl-5,6-dihydro-4H-thieno[2,3-b]thiopyran-2-sulfonamide 7,7-dioxide hydrochloride
  • Decitabine
    Chemical name : 4-Amino-1-(2-deoxy-β-D-erythro-pentofuranosyl)-1,3,5-triazin-2(1H)-one
    Mol. Formula : C8H12N4O4
    Mol. Weight : 228.2 g/mol
    • Decitabine Deformyl Imprity
      Code : VD390001
      Chemical name : D-2’-Deoxyribofuranosyl-3-guanylurea (α/β-Mixture)
    • Decitabine RC A
      Code : VD390003
      Chemical name : 1-O-Acetyl-3,5-bis(4-chlorobenzoyl)-2-deoxy-D-ribose
    • Decitabine RC B
      Code : VD390006
      Chemical name : 4-Amino-1-[3,5-bis-O-(4-chlorobenzoyl)-2-deoxy-β-D-erythro-pentofuranosyl]-1,3,5-triazin-2(1H)-one;
    • Decitabine RC C
      Code : VD390005
      Chemical name : 4-Amino-1-[3,5-bis-O-(4-chlorobenzoyl)-2-deoxy-α-D-erythro-pentofuranosyl]-1,3,5-triazin-2(1H)-one
    • Decitabine RC D
      Code : VD390008
      Chemical name : Methyl 4-chlorobenzoate
  • Digoxin
    Chemical name : 3b-[(2,6-Dideoxy-b-D-ribo-hexopyranosyl-(1→4)-2,6-dideoxy-b-D-ribo-hexopyranosyl- (1→4)-2,6-dideoxy-b-D-ribo-hexopyranosyl)oxy]-12b,14-dihydroxy-5b-card-20(22)- enolide.
    Mol. Formula : C41H64O14
    Mol. Weight : 781 g/mol 
    • Digoxin EP Impurity C: (Digoxigenin)
      Code : VD410001
      Chemical name : 3,12,14-trihydroxy-5-card-20(22)-enolide
    • Digoxin EP Impurity H: (Lanatoside C),
      Code : VD410002
      Chemical name : 3-[(-D-glucopyranosyl-(14)-3-O- acetyl-2,6-dideoxy--D-ribo-hexopyranosyl-(14)-2,6-dideoxy--D-ribo- hexopyranosyl-(14)-2,6-dideoxy--D-ribo-hexopyranosyl)oxy]-12,14-dihydroxy-5-card-20(22)-enolide
  • Deferasirox
    Chemical name : 4-[3,5-Bis(2-hydroxyphenyl)-1H-1,2,4-triazol-1-yl]benzoic Acid
    Mol. Formula : C21H15N3O4
    Mol. Weight : 388.5 g/mol
    • 4-Hydrazinobenzoic Acid
      Code : VD420001
      Chemical name : p-hydrazinobenzoic acid
  • Dipyridamole
    Chemical name : Natyl;Piroan;Apricor;Anginal
    Mol. Formula : C24H40N8O4
    Mol. Weight : 504.63 g/mol
    • Dipyridamole EP Imp- A
      Code : VD430001
    • Dipyridamole EP Imp- B
      Code : VD430002
    • Dipyridamole EP Imp- C
      Code : VD430003
      Chemical name : 2,2-[[2-Chloro-4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidin-6-yl]nitrilo]diethanol ;
    • Dipyridamole EP Imp- D
      Code : VD430004
    • Dipyridamole EP Imp-E
      Code : VD430005
      Chemical name : 2,4-Di[di(2-hydroxyethyl)amino]-6,8-di(piperidin-1-yl)-pyrimido[5,4-d]pyrimidine ;
    • Dipyridamole EP Imp-F
      Code : VD430006
      Chemical name : 2,6-Di[di(2-hydroxyethyl)amino]-4-(2-hydroxyethyl)amino-8-(piperidin-1-yl)-pyrimido[5,4-d]pyrimidine
    • Dipyridamole EP Imp-G
      Code : VD430007
      Chemical name : 2,6-Dichloro-4,8-di(piperidin-1-yl)-pyrimido[5,4-d]pyrimidine
    • Dipyridamole Imp-I
      Code : VD430009
      Chemical name : 4-(2-((6-(bis(2-hydroxyethyl)amino)-4,8-di(piperidin-1-yl)pyrimido[5,4-d]pyrimidin-2-yl)(2-hydroxyethyl)amino)ethoxy)-2,3-dihydroxy-4-oxobutanoic acid
    • Dipyridamole d20
      Code : VD430010
      Chemical name : 2,2’,2’’,2’’’-[(4,8-Di-1-piperidinyl-d20-pyrimido [5,4-d]pyrimidine-2,6-diyl)dinitrilo]tetrakis-ethanol
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