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
  • Diltiazem Hydrochloride
    Chemical name : (2S,3S)-5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate hydrochloride
    Mol. Formula : C22H27ClN2O4S
    Mol. Weight : 451 g/mol
    • Diltiazem EP Imp E
      Code : VD450001
      Chemical name : (2S,3S)-3-hydroxy-2-(4-methoxy phenyl)-2,3-dihydro-1,5-benzothiazepin-4(5H)-one
    • Desacetyldiltiazem HCl (Diltiazem EP Imp F)
      Code : VD450002
      Chemical name : 5-[2-(Dimethylamino)ethyl]-2,3-dihydro-3-hydroxy-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-one Monohydrochloride
    • Diltiazem D3 HCl
      Code : VD450003
      Chemical name : (2S,3S)-(+)-cis-3-Acetoxy-5-(2-dimethylaminoethyl) -2,3-dihydro-2-(4-methoxyphenyl)-1,5-b enzothiazepine-4(5H)-one Hydrochloride
    • N-desmethylDiltiazem (HCl salt) EP impurity D , USP RC D
      Code : VD450005
      Chemical name : 2-(4-methoxyphenyl)-5-(2-(methylamino)ethyl)-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]thiazepin-3-yl acetate hydrochloride
    • Diltiazem Related Compound A
      Code : VD450006
      Chemical name : (2R,3S)-5-[2-(Dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3,4,5-tetrahydro-1,5-benzothiazepin-3-yl acetate
    • Diltiazem acetoxy lactum
      Code : VD450010
      Chemical name : (2S,3S)-3-(Acetyloxy)-2,3-dihydro-2-(4-methoxyphenyl)-1,5-benzothiazepin-4(5H)-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
  • Dacarbazine
    Chemical name : 5-[(1E)-3,3-Dimethyltriaz-1-enyl]-1H-imidazole-4-carboxamide
    Mol. Formula : C6H10N6O
    Mol. Weight : 182.18 g/mol
    • Dacarbazine USP RC A
      Code : VD470001
      Chemical name : (5-aminoimidazole-4-carboxamide hydrochloride)
    • Dacarbazine EP Impurity A
      Code : VD470002
      Chemical name : 3,7-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one (2-azahypoxanthine),
  • Diosmin
    Chemical name : 7-[[6-O-(6-Deoxy--L-mannopyranosyl)--D-glucopyranosyl]oxy]-5-hydroxy-2-(3- hydroxy-4-methoxyphenyl)-4H-1-benzopyran-4-one.
    Mol. Formula : C28H32O15
    Mol. Weight : 609 g/mol 
    • Diosmin EP Impurity A
      Code : VD490001
      Chemical name : 1-(3-hydroxy-4-methoxyphenyl)ethanone (acetoisovanillone)
    • Diosmin EP Impurity B
      Code : VD490002
      Chemical name : (2S)-7-[[6-O-(6-deoxy-a-L-mannopyranosyl)-b-D-glucopyranosyl]oxy]-5-hydroxy- 2-(3-hydroxy-4-methoxyphenyl)-2,3-dihydro-4H-1-benzopyran-4-one (hesperidin)
    • Diosmin EP IMP F (Diosmetin)
      Code : VD310000
      Chemical name : 5,7-dihydroxy-2-(3-hydroxy-4-methoxyphenyl)-4H-1-benzopyran-4-one
    • Diosmin EP Impurity G (Hesperetin)
      Code : VD490005
  • Dienogest
    Chemical name : (17α)-17-Hydroxy-3-oxo-19-norpregna-4,9-diene-21-nitrile
    Mol. Formula : C20H25NO2
    Mol. Weight : 311.42 g/mol
    • Dienogest impurity MDD
      Code : VD500002
      Chemical name : 19-Norandrosta-4,9-diene-3,17-dione; Estra-4,9-diene-3,17-dione
    • Dienogest Impurity E
      Code : VD500005
      Chemical name : (17α)-17-Hydroxy-3,3-dimethoxy-19-norpregna-5(10),9(11)-diene-21-nitrile
    • Dienogest Impurity L
      Code : VD500008
      Chemical name : Cyclic-3-(1,2-ethanediyl acetal)-estra-5(10),9(11)-diene-3,17-dione
  • 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
  • Deferiprone
    Chemical name : 1,2-Dimethyl-3-hydroxypyrid-4-one
    Mol. Formula : C7H9NO2
    Mol. Weight : 139.15 g/mol
    • Deferiprone d3
      Code : VD530001
      Chemical name : 1,2-Dimethyl-3-hydroxypyrid-4-one-d3
  • Dimethylamine Hydrochloride
    Chemical name : N-Methylmethanamine Hydrochloride
    Mol. Formula : C2H8ClN
    Mol. Weight : 81.54 g/mol
    • Dimethyl-D6 amine hydrochloride
      Code : VD550001
      Chemical name : N-Methylmethanamine-d6 Hydrochloride
  • Didanosine
    Chemical name : 9-(2,3-Dideoxy-b-D-glycero-pentofuranosyl)-1,9-dihydro-6H-purin-6-one (2¢,3¢- dideoxyinosine)
    Mol. Formula : C10H12N4O3 
    Mol. Weight : 236.2 g/mol  
    • Didanosine EP Impurity A ( USP RC A)
      Code : VD560001
      Chemical name : 1,7-dihydro-6H-purin-6-one (hypoxanthine),
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