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

  • Diclofenac Sodium(EP/BP)
    Chemical name : Sodium 2-[(2,6-dichloro phenyl)amino]phenyl]acetate
    Mol. Formula : C14H10CI2NNaO2
    Mol. Weight : 318.13 g/mol
    • Diclofenac EP Imp A :(USP RC A) (Diclofenac Lactum/Diclofenac Amide)
      Code : VD010001
      Chemical name : 1-(2,6-dichlorophenyl)-1,3-dihydro-2H-indol-2-one,
    • Diclofenac EP Imp B
      Code : VD010002
      Chemical name : 2-[(2,6-dichlorophenyl) amino]benzaldehyde
    • Diclofenac EP Imp C: (Diclofenac Alcohol)
      Code : VD010003
      Chemical name : 2-[(2,6-dichlorophenyl) amino]phenyl]methanol
    • Diclofenac EP Imp D
      Code : VD010004
      Chemical name : 2-[2-[(2-bromo-6-chloro phenyl)amino]phenyl]acetic acid * Sodium Salt
    • Diclofenac EP Imp E
      Code : VD010005
      Chemical name : 1,3-dihydro-2H-indol-2-one
    • 2,6 -Dichloroaniline
      Code : VD010006
      Chemical name : 1,3-dihydro-2H-indol-2-one
    • Diclofenac Carboxylic Acid
      Code : VD010007
      Chemical name : 2-[(2,6-Dichlorophenyl)amino]benzoic Acid
    • 4’-Hydroxy Diclofenac
      Code : VA020011
      Chemical name : [2-(2,6-Dichloro-4-hydroxy-phenylamino)phenyl]acetic acid
    • Diclofenac Free Base
      Code : VD010009
      Chemical name : 2-(2-(2,6-dichlorophenyl amino)phenyl)acetic acid
    • Diclofenac Diethyl Amine Salt
      Code : VD010011
      Chemical name : N-Ethylethanamine 2-[(2,6-dichlorophenyl)amino]benzeneacetate
    • Diclofenac Intermediate (2-Bromo-6-chlorobenzoic acid)
      Code : VD010012
      Chemical name : 3-bromo-2-chloro-benzoic acid;
    • Diclofenac Impurity F
      Code : VD010013
      Chemical name : 2,6-Dichloro-N-(4-chlorophenyl)-benzeneacetamide
    • N-(2,6-Dichlorophenyl)aniline
      Code : VD010018
      Chemical name : N-(2,6-Dichlorophenyl)aniline
    • Diclofenac Isopropyl Ester
      Code : VD010019
      Chemical name : isopropyl 2-(2-((2,6-dichlorophenyl)amino)phenyl)acetate
  • Dihydralazine sulfate dihydrate
    Chemical name : (phthalazine-1,4(2H,3H)- diylidene)dihydrazine sulphate,
    Mol. Formula : C8H12N6O4S.21/2H2O
    Mol. Weight : 333.3 g/mol
    • Dihydralazine Impurity-A
      Code : VD020001
      Chemical name : 4-hydrazinophthalazin-1-amine
    • Dihydralazine Impurity-C
      Code : VD020002
      Chemical name : (phthalazin-1-yl)hydrazine (hydralazine)
  • Dobutamine Hydrochloride
    Chemical name : (RS)-4-[2-[[3-(4-Hydroxyphenyl)-1- methylpropyl]amino]ethyl]benzene-1,2-diol hydrochloride
    Mol. Formula : C18H24ClNO3
    Mol. Weight : 337.84 g/mol
    • Dobutamine EP Imp A
      Code : VD030001
      Chemical name : Dopamine hydrochloride; 4-(2- aminoethyl)benzene-1,2-diol
    • Dobutamine EP Imp B
      Code : VD030002
      Chemical name : 4-(4-hydroxyphenyl)butan-2-one
    • Dobutamine EP Imp C
      Code : VD030003
      Chemical name : (2RS)-N-[2-(3,4-dimethoxyphenyl) ethyl]-4-(4-methoxyphenyl)butan-2-amine
  • Donepezil Hydrochloride
    Chemical name : (±)-2-[(1-Benzyl-4-piperidyl)methyl]-5,6-dimethoxy-1-indanone hydrochloride
    Mol. Formula : C24H30ClNO3
    Mol. Weight : 415.95g/mol
    • Deoxy Donepezil Hydrochloride: (USP E)
      Code : VD040001
      Chemical name : 4-[(2,3-Dihydro-5,6-dimethoxy-1H-inden-2-yl)methyl]-1-(phenylmethyl)piperidine Hydrochloride
    • Dehydrodeoxy Donepezil
      Code : VD040002
      Chemical name : 4-[(5,6-Dimethoxy-1H-inden-2-yl)methyl]-1-(phenylmethyl)piperidine; 1-Benzyl-4-(5,6-dimethoxy-1H-2-indenylmethyl)piperidine;
    • Desbenzyl Donepezil: (Donepezil Imp I)
      Code : VD040003
      Chemical name : 5,6-Dimethoxy-2-(piperidine-4-ylmethyl) indan-1-one * Hydrochloride Salt
    • 5-O-Desmethyl Donepezil
      Code : VD040004
      Chemical name : 1-Benzyl-4-[(5-hydroxy-6-methoxy-1- oxo-indan-2-yl)methylpiperidine
    • Donepezil N-Oxide
      Code : VD040005
      Chemical name : (2-[(1-Benzylpiperidin-4-yl)methyl]-5,6-dimethoxyindan-1-one N-oxide)
    • 6-O-Desmethyl Donepezil
      Code : VD040006
      Chemical name : 1-Benzyl-4-[(6-hydroxy-5-methoxy-1-oxo-indan-2-yl)methylpiperidine
    • Donepezil Impurity:(USP Imp b) Donepezil Pyridine Analog Impurity
      Code : VD040007
      Chemical name : 5,6-Dimethoxy-2-(4-pyridylmethyl)-1-indanone
    • Donepezil Impurity
      Code : VD040008
      Chemical name : 2,3-Dihydro-5,6-dimethoxy-2-(4-piperidinylmethylene)-1H-inden-1-one
    • Donepezil Impurity
      Code : VD040009
      Chemical name : 5,6-Dimethoxy-2-[(4-piperidyl)methyl]indane
    • Donepezil Impurity (Indanone Impurity)
      Code : VD040010
      Chemical name : 5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
    • Donepezil Open ring Impurity
      Code : VD040011
      Chemical name : -(3-(1-Benzylpiperidin-4-yl)-2-oxopropyl)-4,5-dimethoxybenzoic Acid
    • Donepezil Benzyl bromide Impurity:(USP c)
      Code : VD040013
      Chemical name : 1,1-Dibenzyl-4-[(5,6-dimethoxy-1-oxo-2,3-dihydro-1H-inden-2yl)methyl]piperidinium bromide
    • Hydroxy Donepezil
      Code : VD040014
      Chemical name : (2-[(1-Benzylpiperidin-4-yl)(hydroxy)methyl]-5,6-dimethoxyindan-1-one)
    • Donepezil
      Code : VD040015
      Chemical name : (±)-2-[(1-Benzyl-4-piperidyl)methyl]-5,6-dimethoxy-1-indanone
    • Donepezil-d4 Hydrochloride
      Code : VD040016
      Chemical name : (±)-Donepezil-d4 Hydrochloride (bis-methylene-d4)
    • Donepezil USP RC A
      Code : VD040021
      Chemical name : ((E)-2-[(1-benzylpiperidin-4-yl)methylene]-5,6-dimethoxyindan-1-one
    • Donapezile unkown Impurity
      Code : VD040022
      Chemical name : (E)-5,6-dimethoxy-2-((1-methylpiperidin-4-yl)methylene)-2,3-dihydro-1H-inden-1-one
    • Donepezil Alkene Pyridine N-oxide
      Code : VD040023
      Chemical name : (E)-4-((5,6-dimethoxy-1-oxo-1H-inden-2(3H)-ylidene)methyl)pyridine 1-oxide
    • 3-Hydroxy Donepezil
      Code : VD040024
      Chemical name : 2-((1-benzylpiperidin-4-yl)methyl)-3-hydroxy-5,6-dimethoxy-2,3-dihydro-1H-inden-1-one
  • Doxepin Hydrochloride(BP)
    Chemical name : (E)-3-(Dibenzo[b,e]oxepin-11(6H)-ylidene)-N,N-dimethylpropan-1-amine hydrochloride
    Mol. Formula : C19H21NO, HCl
    Mol. Weight : 315.8 g/mol
    • Doxepin EP Imp A: (Doxepinone)(USP RC A)
      Code : VD050001
      Chemical name : dibenzo[b,e]oxepin-11(6H)-one
    • Doxepin EP Imp B: (Doxepinol)(USP RC B)
      Code : VD050002
      Chemical name : (11RS)-11-[3-(dimethylamino) propyl]-6,11-dihydrodibenzo[b,e]oxepin-11-ol
    • Doxepin EP Imp C(Desmethyldoxepine) : (USP RC C)
      Code : VD050003
      Chemical name : (E)-3-(dibenzo[b,e]oxepin-11(6H)-ylidene)-N-methylpropan-1-amine
    • Doxepin EP Imp D
      Code : VD050004
      Chemical name : (Z)-3-(dibenzo[b,e]oxepin-11(6H)-ylidene)-N,N-dimethylpropan-1-amine
    • Doxepin N-Oxide Impurity
      Code : VD050005
      Chemical name : 3-Dibenz[b,e]oxepin-11(6H)-ylidene-N,N-dimethyl-1-propanamine N-Oxide
    • Nor Doxepin Hydrochloride
      Code : VD050007
      Chemical name : Δ11(6H),γ-[3-(Methylamino)propylidene] dibenz[b,e]oxepine Hydrochloride
    • Nor Doxepin-d3 Hydrochloride
      Code : VD050008
      Chemical name : Δ11(6H),γ-[3-(Methylamino-d3)propylidene] dibenz[b,e]oxepine Hydrochloride
  • Dronedarone Hydrochloride
    Chemical name : N-{2-butyl-3-[4-(3-dibutylaminopropoxy)benzoyl]benzofuran-5-yl} methanesulfonamide, hydrochloride
    Mol. Formula : C31H44N2O5S
    Mol. Weight : 593.2 g/mol
    • Dronedarone Hydrochloride Impurity A:Des-(Methylsulphonyl) Impurity
      Code : VD060001
      Chemical name : 2-n-Butyl-3-[4-[(3-di-n-butylamino) propoxy]benzoyl]-5-aminobenzofuran dioxalate
    • Dronedarone Hydrochloride Impurity B:Bis Impurity
      Code : VD060002
      Chemical name : 2-n-Butyl-3-[4-[(3-di-n-butylamino)propoxy]benzoyl]-5-bis(methylsulfonamide)benzofuran
    • Dronedarone Hydrochloride Impurity C:Chloro Impurity
      Code : VD060003
      Chemical name : N-[2-n-butyl-3-[3/4-chloro-4-[3-(di-n-butylamino)propoxy]benzoyl] benzofuran-5-yl]methanesulfonamide hydrochloride
    • Dronedarone Hydrochloride Impurity D:(Desbutyl Dronedarone Hydrochloride)
      Code : VD060004
      Chemical name : N-[2-n-butyl-3-[4-[3-(butyl amino)propoxy]benzoyl]benzofuran-5-yl]methane sulfonamide hydrochloride
    • Dronedarone Hydrochloride Impurity E
      Code : VD060005
      Chemical name : N-[2-n-Butyl-3-[4-[3-(di-n-butylamino) propoxy]benzoyl] benzofuran-5-yl]methanesulfonamid -N-oxide
    • Dronedarone Hydrochloride Impurity F
      Code : VD060006
      Chemical name : Di-n-butyl-(3-chloropropyl)-amine
    • Dronedarone Impurity 1
      Code : VD060007
      Chemical name : 2-(2-formyl-4-nitrophenoxy)hexanoic acid
    • Dronedarone Impurity 2
      Code : VD060008
      Chemical name : methyl 2-(2-formyl-4-nitrophenoxy) hexanoate
    • Dronedarone-d6 Hydrochloride
      Code : VD060009
      Chemical name : N-[2-Butyl-3-[4-[3-(dibutyl amino)propoxy]benzoyl]-5-benzofuranyl] methanesulfonamide-d6 Hydrochloride
    • Desbutyl Dronedarone-d6 Hydrochloride
      Code : VD060011
      Chemical name : N-[2-Butyl-3-[4-[3-(butylamino) propoxybenzoyl]-5-benzofuranyl]-methane sulfonamide-d6 Hydrochloride
    • Dronedarone intermediate (4-Methoxybenzoyl Chloride)
      Code : VD060012
      Chemical name : p-Anisoyl Chloride
    • Dronedarone intermediate-2 ( 3- dibutylamino propan-1-ol )
      Code : VD060013
      Chemical name : 3-(Dibutylamino)propyl Alcohol; 3-Di-n-butylamino-1-propanol;
    • Dronedarone intermediate-3
      Code : VD060014
      Chemical name : 2-(n-propyl)-3-4( hydroxybenzoyl)-5-nitrobenzofuran
    • Dronedarone intermediate-4
      Code : VD060015
      Chemical name : 2-(n-pentyl)-3-(4-hydroxybenzoyl)- 5-nitrobenzofuran
    • Dronedarone intermediate-5 (6-Ethylpyrimidin-4-ol)
      Code : VD060016
      Chemical name : 4-Hydroxy-6-ethylpyrimidin
    • Dronedarone intermediate-6( 2 Butyl-5-nitrobenzofuran)
      Code : VD060017
      Chemical name : 2-n-Butyl-5-nitrobenzofuran
    • Dronedarone Impurity
      Code : VD060018
      Chemical name : N-(3-chloropropyl)butan-1-amine hydrochloride
    • Dronedarone Impurity
      Code : VD060019
      Chemical name : 2-Hydroxy-5-nitrobenzaldehyde
    • Dronedarone Olefinic Impurity
      Code : VD060020
      Chemical name : N-allyl-N-butylbutan-1-amine
    • Dronedarone Dimer Impurity
      Code : VD060021
      Chemical name : N1,N1,N3,N3-tetrabutylpropane-1,3-diamine
  • Darifenacin
    Chemical name : (S)-2-[1-[2-(2,3-dihydrobenzofuran-5-yl)ethyl] pyrrolidin-3-yl] -2,2-diphenyl-acetamide
    Mol. Formula : C28H30N2O2
    Mol. Weight : 426.55 g/mol
    • Darifenacin Impurity A: (Darifenacin Pyrrolidine Impurity S-Isomer)
      Code : VD070001
      Chemical name : 3-(S)-(-)-(1-Carbamoyl-1,1-diphenyl methyl)-1-pyrrolidine tartrate salt
    • Darifenacin Impurity B
      Code : VD070002
      Chemical name : 5-(2-Bromoethyl)-2,3-dihydrobenzofuran
    • Darifenacin Impurity C
      Code : VD070003
      Chemical name : Diphenyl-(S)-pyrrolidin-3-ylacetonitrile oxalate salt
    • Darifenacin Racemic Mixture
      Code : VD070004
      Chemical name : 3-( R,S)-(-)-(1-Carbamoyl-1,1-diphenylmethyl)-1-[2-(2,3-dihydrobenzofuran-5-yl)ethyl]pyrrolidine hydrobromide
    • Darifenacin R Isomer
      Code : VD070005
      Chemical name : (R)-2-[1-[2-(2,3-Dihydrobenzfuran-5-yl)ethyl]-3-pyrrolidinyl]-2,2-diphenylacetamide HBr
    • 2,3-Dihydrobenzofuran-5-acetic Acid
      Code : VD070018
      Chemical name : 5-Coumaranacetic Acid
  • Duloxetine Hydrochloride
    Chemical name : (+)-(S)-N-Methyl-3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propan-1-amine hydrochloride
    Mol. Formula : C18H19NOS.HCl
    Mol. Weight : 333.9 g/mol
    • Duloxetine EP Impurity A (USP RC A)
      Code : VD080001
      Chemical name : (R)-N-Methyl-3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propan-1-amine hydrochloride
    • Duloxetine EP Impurity B (USP RC B)
      Code : VD080002
      Chemical name : 3-(Methylamino)-1-(thiophen-2-yl)propan-1-ol
    • Duloxetine EP Impurity C (USP RC C)
      Code : VD080003
      Chemical name : 4-(3-methylamino-1-thiophen-2-yl-propyl)-naphthalen-1-ol
    • Duloxetine EP Impurity D (USP RC D)
      Code : VD080004
      Chemical name : Naphthalen-1-ol
    • Duloxetine EP Impurity E (USP RC E)
      Code : VD080005
      Chemical name : 1-[3-(Methylamino)-1-(2-thienyl) propyl]-2-naphthalenol
    • Duloxetine EP Impurity F (USP RC F)
      Code : VD080006
      Chemical name : ((S)-N-Methyl-3-(naphthalen-1-yloxy)-3-(thiophen-3-yl)propan-1-amine hydrochloride)
    • Duloxetine EP Impurity G (USP RC G)
      Code : VD080007
      Chemical name : 1-Fluorornaphthalene
    • Duloxetine Impurity A (In-house) (N-Methyl Duloxetine Oxalate)
      Code : VD080008
      Chemical name : N,N- Dimethyl-3-(1-naphthenyloxy)-3-(2-thienyl) propanamine oxalate.
    • Duloxetine Impurity B (In-house)
      Code : VD080009
      Chemical name : L-Di-p-toluoyl-tartaric acid
    • Duloxetine Impurity C (In-house) (Duloxetine Racemate)
      Code : VD080010
      Chemical name : N- Methyl-3-(1-naphthalenyloxy)-3-(2-thienyl) propanamine. Hydrochloride
    • Duloxetine Phenyl Carbamate Impurity
      Code : VD080013
      Chemical name : N-Methyl-N-[(3S)-3-(1-naphthalenyl oxy)-3-(2-thienyl)propyl]carbamic Acid Phenyl Ester
    • Duloxetine USP RC H
      Code : VD080014
      Chemical name : (S)-4-(Methyl[3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl]amino)-4-oxobutanoic acid)
    • Duloxetine Phthalamide Impuruty
      Code : VD080015
      Chemical name : 2-[[Methyl[(3S)-3-(1-naphthalenyloxy)-3-(2-thienyl)propyl]amino]carbonyl]benzoic Acid
    • Duloxetine Lactose
      Code : VD080016
      Chemical name : (2S,3R,4S,5R,6R)-2-(((2R,3S,4R,5R)-4,5-Dihydroxy-2-(hydroxymethyl)-6-(methyl((S)-3-(naphthalen-1-yloxy)-3-(thiophen-2-yl)propyl)amino)tetrahydro-2H-pyran-3-yl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol
    • Duloxetine hydroxy Impurity
      Code : VD080018
      Chemical name : (S)-N,N-Dimethyl-3-(2-thienyl)-3-hydroxypropanamine
    • Duloxetine N-formyl impurity
      Code : VD080019
      Chemical name : N-methyl-N-((S)-3-(naphthalene-1-yloxy)-3-(thiophen-2-yl)propyl)formamide
  • Domperidone
    Chemical name : 5-Chloro-1-[1-[3-(2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)propyl]piperidin-4-yl]-1,3-dihydro- 2H-benzimidazol-2-one
    Mol. Formula : C22H24ClN5O2
    Mol. Weight : 452.9 g/mol
    • Domperidone EP Impurity A
      Code : VD090001
      Chemical name : 5-chloro-1-(piperidin-4-yl)-1,3-dihydro-2H-benzimidazol-2-one
    • Domperidone EP Impurity B
      Code : VD090002
      Chemical name : 4-(5-chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-1-formylpiperidine
    • Domperidone EP Impurity C
      Code : VD090003
      Chemical name : cis-4-(5-chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-1-[3-(2-oxo-2,3-dihydro-1H benzimidazol-1-yl)propyl]piperidine 1-oxide
    • Domperidone EP Impurity D
      Code : VD090004
      Chemical name : 5-Chloro-3-[3-(2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)propyl]-1-[1-[3-(2,3-dihydro-2-oxo-1H-benzimidazol-1-yl)propyl]piperidin-4-yl]-1,3-dihydro-2H-benzimidazol-2-one.
    • Domperidone EP Impurity E
      Code : VD090005
      Chemical name : 1-[3-[4-(5-chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)piperidin-1-yl]propyl]-3-[3-(2- oxo-2,3-dihydro-1H-benzimidazol-1-yl)propyl]-1,3-dihydro-2H-benzimidazol-2-one.
    • Domperidone EP Impurity F
      Code : VD090006
      Chemical name : 1,3-bis[3-[4-(5-Chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)piperidin-1-yl]propyl]-1,3-dihydro-2H-benzimidazol-2-one
    • Domperidone d6
      Code : VD090007
      Chemical name : 5-Chloro-1-[1-[3-(2,3-dihydro-2-oxo-1H-benzimidazol-1-yl)propyl]-4-piperidinyl]-1,3-dihydro-2H-benzimidazol-2-one-d6
    • Domperidone Maleate
      Code : VD090008
      Chemical name : 5-Chloro-1-[1-[3-(2-oxo-1,3-dihydrobenzoimidazol-1-yl)propyl]-4-piperidyl]-1,3-dihydrobenzoimidazol-2-one maleate
  • Dimenhydrinate
    Chemical name : Diphenhydramine [2-(diphenylmethoxy)-N,N-dimethylethanamine] 8-chlorotheophylline (8-chloro-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione)
    Mol. Formula : C17H22ClNO
    Mol. Weight : 470.0 g/mol
    • Dimenhydrinate EP Imp A(Theophylline)
      Code : VT160000
      Chemical name : 1,3-dimethyl-7H-purine-2,6-dione
    • Dimenhydrinate EP Imp B(Caffeine)
      Code : VC310000
      Chemical name : 1,3,7-trimethyl-3,7-dihydro-1H-purine-2,6-dione
    • Dimenhydrinate Imp E
      Code : VD100004
      Chemical name : 8-Chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
    • Dimenhydrinate EP Imp I(Benzyhydrol)
      Code : VB440001
      Chemical name : diphenylmethanol
    • Dimenhydrinate EP Imp J(Benzophenone)
      Code : VB110000
      Chemical name : diphenylmethanone
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