의약품용 유연물질, 표준품 전문업체

Specialty of Pharmaceutical Impurity & Reference Standard

• Diphenhydramine Hydrochloride

  Chemical name : 2-(Diphenylmethoxy)-N,N-dimethylethanamine hydrochloride Mol. Formula : C17H22ClNO Mol. Weight : 291.8 g/mol

  • Diphenhydramine EP Impurity B

    Code : VD440003

    Chemical name : (R,S)-N,N-dimethyl-2-(phenyl(p-tolyl)methoxy)ethanamine hydrochloride
  • Diphenhydramine EP Impurity C

    Code : VD440004

    Chemical name : (R,S)-2-((4-bromophenyl)(phenyl)methoxy)-N,N-dimethylethanamine hydrochloride
  • Diphenhydramine EP Imp D(Benzyhydrol)

    Code : VD440001

    Chemical name : diphenylmethanol
  • Diphenhydramine EP Imp E(Benzophenone)

    Code : VB110000

    Chemical name : diphenylmethanone
  • Diphenhydramine USP RC A

    Code : VD440002

    Chemical name : 2-(benzhydryloxy)-N-methylethanamine hydrochloride

• 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

• 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

• Dolasetron

  Chemical name : (3R)-10-oxo-8-azatricyclo[5.3.1.03,8]undec-5-yl 1H-indole-3-carboxylate Mol. Formula : C19H20N2O3 Mol. Weight : 324.374 g/mol

  • Dolasetron intermediate : (3-Cyclopentene-1-carboxylic Acid)

    Code : VD520001

    Chemical name : Cyclopentene-1-Carboxylic acid

• 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

• 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

• Dopamine HCl

  Chemical name : 4-(2-Aminoethyl)benzene-1,2-diol hydrochloride Mol. Formula : C8H11NO2,HCl Mol. Weight : 189.6 g/mol

  • 3-O-Methyldopamine HCl

    Code : VD460002

    Chemical name : 4-(2-Aminoethyl)-2-methoxyphenol Hydrochloride
  • 4-O-Methyldopamine HCl

    Code : VD460003

    Chemical name : 3-Hydroxy-4-methoxyphenethylamine Hydrochloride

• 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

• 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

• Doxazosin Mesilate

  Chemical name : 1-(4-Amino-6,7-dimethoxyquinazolin-2-yl)-4-[(2RS)-2,3-dihydro-1,4-benzodioxin-2- ylcarbonyl]piperazine methanesulfonate. Mol. Formula : C23H25N5O5,CH3SO3H Mol. Weight : 547.6 g/mol

  • Doxazosin USP RC A

    Code : VD590003

    Chemical name : 1-(2,3-Dihydro-1,4-benzodioxin-2-ylcarbonyl)piperazine hydrochloride
  • Doxazosin USP RC B

    Code : VD590002

    Chemical name : 6,7-Dimethoxy-2,4(1H,3H)-quinazolinedione;
  • Doxazosin USP RC C

    Code : VD590004

    Chemical name : 2-Chloro-6,7-dimethoxy-4-quinazolinamine
  • Doxazosin USP RC D

    Code : VD590001

    Chemical name : 2,3-Dihydro-benzo[1,4]dioxine-2-carboxylic Acid