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

  • Dicyclomine Hydrochloride
    Chemical name : [bicyclohexyl]-1carboxylic acid,2-(diethyl amino)ethyl ester hydrochloride
    Mol. Formula : C19H35NO2. HCl
    Mol. Weight : 345.95g/mol
    • Dicyclomine Impurity A
      Code : VD180001
      Chemical name : Bicyclohexyl-1-carboxylic acid
    • Dicyclohexyl Ketone
      Code : VD180002
      Chemical name : Dodecahydrobenzophenone;
    • Dicyclohexylcarbinol
      Code : VD180003
      Chemical name : Dicyclohexylmethanol
    • Dicyclohexyl Ketone chloride
      Code : VD180005
      Chemical name : (1chlorocyclohexyl)(cyclohexyl) methanone
  • Dicycloverine
    Chemical name : 2-diethylaminoethyl bicyclohexyl-1-carboxylate
    Mol. Formula : C19H35NO2
    Mol. Weight : 309.48g/mol
    • Dicycloverine EP Impurity A
      Code : VD840001
      Chemical name : Bicyclohexyl-1-carboxylic acid
  • 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),
  • 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
  • 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
  • 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)
  • 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
  • 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
  • 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
  • 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
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