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),