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

  • Sibutramine
    Chemical name : 1-[1-(4-chlorophenyl)cyclobutyl]-N,N,3-trimethylbutan-1-amine
    CAS Number : 106650-56-0
    Mol. Formula : C17H26ClN
    Mol. Weight : 279.852 g/mol
    • Sibutramine Impurity B
      Code : S650007
      Chemical name : 1-(1-(3-chlorophenyl)cyclobutyl)-N,N,3-trimethylbutan-1-amine
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sibutramine Impurity E (4-Chlorophenylacetonitrile)
      Code : S650001
      Chemical name : 2-(4-chlorophenyl)acetonitrile
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sibutramine Impurity F (1-(4-Chlorophenyl)cyclobutanecarbonitrile)
      Code : S650002
      Chemical name : 1-(4-chlorophenyl)cyclobutane-1-carbonitrile
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sibutramine Impurity H
      Code : S650003
      Chemical name : 2-(4-chlorophenyl)-2-(prop-2-en-1-yl)pent-4-enenitrile
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sibutramine Impurity I
      Code : S650004
      Chemical name : 1-(1-(4-chlorophenyl)cyclobutyl)-3-methylbutan-1-ol
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sibutramine Impurity
      Code : S650009
      Chemical name : N-{3-Methyl-1-(1-phenylcyclobutyl)butyl}-N,N-dimethylamine
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sibutramine Impurity
      Code : S650010
      Chemical name : N-[1-(4-Chlorophenyl) cyclobutylmethyl]-N,N-dimethylamine hydrochloride
      Unit : 10mg, 20mg, 50mg,100mg,
  • Sibutramine Hydrochloride
    • Sibutramine Hydrochloride
      Chemical name : 1-[1-(4-chlorophenyl)cyclobutyl]-N,N,3-trimethylbutan-1-amine;hydrate;hydrochloride
      Unit : 10mg, 20mg, 50mg,100mg,
  • Sildenafil
    Chemical name : 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one
    CAS Number : 139755-83-2
    Mol. Formula : C22H30N6O4S
    Mol. Weight : 474.58 g/mol
    • Sildenafil Impurity A (USP RC A) (Isobutyl Sildenafil)
      Code : S050010
      Chemical name : 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-(2-methylpropyl)-4H-pyrazolo[4,3-d]pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Impurity C (O-Desethyl Sildenafil)
      Chemical name : (5E)-1-methyl-5-[3-(4-methylpiperazin-1-yl)sulfonyl-6-oxocyclohexa-2,4-dien-1-ylidene]-3-propyl-4,7a-dihydro-2H-pyrazolo[4,3-d]pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil EP Impurity D (Des(Methylpiperazinyl) Sildenafil Acid)
      Code : S050013
      Chemical name : 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil EP Impurity E (1H- Imidazole, Imidazole),
      Code : S050012
      Chemical name : 1H-imidazole
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Impurity 4 (Isosildenafil)
      Chemical name : 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-2-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Acid Impurity
      Code : S050016
      Chemical name : 1-Methyl-5-propyl-1H-pyrazole-3-carboxylic Acid
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Aldehyde Impurity
      Code : S050007
      Chemical name : 2-Ethoxy-5-(4-methyl-piperazin-1-yl-sulphonyl)-benzaldehyde
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Amide Impurity (1-Methyl-4-nitro-3-propylpyrazole-5-carboxamide)
      Code : S050002
      Chemical name : 2-methyl-4-nitro-5-propylpyrazole-3-carboxamide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Amide Impurity Hydrochloride
      Code : S050003
      Chemical name : 4-Amino-1-methyl-3-propyl pyrazole-5-carboxamide Hydrochloride
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Carboxamide Impurity (Sildenafil di-amide impurity)
      Code : S050004
      Chemical name : 4-( 2-Ethoxybenzamido) -1-methyl-3-n-propylpyrazole-5-carboxamide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Chloro Impurity (2-Ethoxybenzoyl chloride)
      Code : S050006
      Chemical name : 2-Ethoxybenzoyl chloride
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Chlorosulfonyl iimpurity (Sildenafil Chlorosulfonyl)
      Code : S050005
      Chemical name : 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonyl chloride
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil di-amide impurity (Sildenafil carboxamide impurity)
      Chemical name : 4-[(2-ethoxybenzoyl)amino]-2-methyl-5-propylpyrazole-3-carboxamide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Dimer Impurity (Sildenafil Dimer)
      Code : S050017
      Chemical name : 5-[2-ethoxy-5-[4-[4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl]sulfonylpiperazin-1-yl]sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Impurity ((1-methyl-4-Nitro -3-n-propyl pyrazole-5- carboxylic acid)
      Code : S050020
      Chemical name : 1-Methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxylic acid
      Unit : 10mg, 20mg, 50mg,100mg,
    • De(methypiperazinyl) Sildenafil Dimer Impurity
      Chemical name : 5-[2-ethoxy-5-[4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl]sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Lactam Impurity
      Code : S050008
      Chemical name : 5-(2-ethoxyphenyl)-2-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil MPC Impurity
      Code : S050018
      Chemical name : 1-Methyl-4-nitro-3-propylpyrazole-5-carboxamide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Nitro Acid Impurity
      Code : S050019
      Chemical name : 2-Methyl-4-nitro-3-propylpyrazole-5-carboxylic Acid
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Related Compound 01, Sildenafil di-amide impurity, Sildenafil carboxamide impurity
      Code : S050014
      Chemical name : 4-[(2-ethoxybenzoyl)amino]-2-methyl-5-propylpyrazole-3-carboxamide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Sulfonic Acid Impurity
      Code : S050011
      Chemical name : 3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxybenzene sulfonic acid
      Unit : 10mg, 20mg, 50mg,100mg,
    • De(methypiperazinyl) Sildenafil Dimer Impurity
      Chemical name : 5-[2-ethoxy-5-[4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl]sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
  • Sildenafil
    • 1-3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo4,3-dpyrimidin-5-yl)-4-ethoxyphenylsulfonylpiperazine (Desmethylsildenafil)
      Code : LM025408
      Chemical name : Desmethylsildenafil; N-Desmethyl Sildenafil; Sildenafil citrate;
      Unit : 10mg, 20mg, 50mg,100mg,
    • 5-2-Hydroxy-5-(4-methylpiperazinylsulfonyl)phenyl-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo4,3-dpyrimidin-7-one (Desethylsildenafil )
      Code : S050009
      Chemical name : Desmethylsildenafil; N-Desmethyl Sildenafil; desmethyl sildenafil; Sildenafil Citrate;
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil citrate, Desmethylsildenafil (N-Desmethyl Sildenafil)
      Code : S050009
      Chemical name : 5-(2-ethoxy-5-piperazin-1-ylsulfonylphenyl)-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
    • N-Desmethyl Sildenafil D8
      Code : S050022
      Chemical name : N-Desmethyl sildenafil-d8
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil Dimer
      Code : S050030
      Chemical name : 5-[2-ethoxy-5-[4-[4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)phenyl]sulfonylpiperazin-1-yl]sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
    • 1-methyl-4-nitro-3-propyl-1H-pyrazole-5-carboxamide
      Code : S050021
      Chemical name : 1-methyl-4-nitro-3-propylpyrazole-5-carboxamide
      Unit : 10mg, 20mg, 50mg,100mg,
  • Sildenafil Citrate
    Chemical name : 5-[2-ethoxy-5-(4-methylpiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one;2-hydroxypropane-1,2,3-tricarboxylic acid
    CAS Number : 171599-83-0
    Mol. Formula : C28H38N6O11S
    Mol. Weight : 666.703 g/mol
    • Sildenafil Citrate (N-desmethyl sildenafil),( Desmethylsildenafil)
      Code : S050009
      Chemical name : 5-(2-ethoxy-5-piperazin-1-ylsulfonylphenyl)-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil citrate EP Impurity A (Isobutyl Sildenafil)
      Code : S050010
      Chemical name : 5-[2-ethoxy-5(-4[ -methylpiperazin-l-yl)sulfonyl]phenyl]-Imethyl-3-(2-methylpropyl)-7,6-d, ihydro-IH- pyrazolo4[ ,3-d]pyrimidin-7- one
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil citrate EP Impurity B (Sildenafil N-oxide)
      Code : LM025404
      Chemical name : 5-[2-ethoxy-5-(4-methyl-4-oxidopiperazin-4-ium-1-yl)sulfonylphenyl]-1-methyl-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil citrate EP Impurity C (O-Desethyl sildenafil)
      Code : S050015
      Chemical name : 5-(2-Hydroxy-5-((4-methylpiperazin-1-yl)sulfonyl)phenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo(4,3-d)pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
    • Sildenafil citrate EP Impurity D ( Des(Methylpiperazinyl) Sildenafil Acid)
      Code : S050013
      Chemical name : 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-4H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonic acid
      Unit : 10mg, 20mg, 50mg,100mg,
  • Sildenafil N-Desmethyl
    • Sildenafil N-Desmethyl, (Desmethylsildenafil, N-Desmethyl Sildenafil)
      Code : S050009
      Chemical name : 5-[2-Ethoxy-5-(1-piperazinyl sulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one
      Unit : 10mg, 20mg, 50mg,100mg,
  • Silodosin
    • Silodosin
      Chemical name : 2,3-Dihydro-1-(3-hydroxypropyl)-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]amino]propyl]-1H-indole-7-carboxamide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Silodosin Impurity 2 HCl
      Chemical name : Silodosin Impurity 2 HCl
      Unit : 10mg, 20mg, 50mg,100mg,
  • Silodosin Dimer Impurity
    • Silodosin Dimer Impurity
      Code : S360003
      Chemical name : NA
      Unit : 10mg, 20mg, 50mg,100mg,
  • Silodosin N-Oxide
    • Silodosin N-Oxide
      Code : S360011
      Chemical name : 7-carbamoyl-1-(3-Hydroxypropyl)-5-((S)-2-((2-((2,2,2-trifluoroethoxy) phenoxy)ethyl) amino) propyl)indoline-1-oxide
      Unit : 10mg, 20mg, 50mg,100mg,
  • Silodosin Nitrile Impurity
    • Silodosin Nitrile Impurity
      Code : S360002
      Chemical name : 2,3-Dihydro-1-(3-hydroxypropyl)-5-[(2R)-2-[[2-[2-(2,2,2-trifluoroethoxy)phenoxy]ethyl]amino]propyl]-1H-indole-7-carbonitrile
      Unit : 10mg, 20mg, 50mg,100mg,
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