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

  • Nicotinic Acid
    Chemical name : pyridine-3-carboxylic acid
    Mol. Formula : C6H5NO2
    Mol. Weight : 123.1094
    • 2-Amino Nicotinic Acid
      Code : VN010001
      Chemical name : 2-Amino-3-pyridinecarboxylic Acid
    • Nicotinic Acid Methyl Ester
      Code : VN010002
      Chemical name : Methyl 6-(Acetoxymethyl)-4-methoxy-5-methyl-3-pyridinecarboxylate
    • 6-Amino Nicotinic Acid
      Code : VN010003
      Chemical name : 6-Amino-3-pyridinecarboxylic Acid
    • 3-Aminoiso Nicotinic Acid
      Code : VN010004
      Chemical name : 3-Amino-4-pyridinecarboxylic acid
    • Arecaidine
      Code : VN010005
      Chemical name : 3-Pyridinecarboxylicacid
    • Isonicotinamide
      Code : VN010006
      Chemical name : pyridine-4-carboxamide
  • Nimesulide (EP/BP)
    Chemical name : N-(4-Nitro-2-phenoxyphenyl) methanesulphonamide
    Mol. Formula : C13H12N2O5S
    Mol. Weight : 308.311
    • Nimesulide Impurity A (EP / BP)
      Code : VN030001
      Chemical name : N-(2,4-dinitro-6-phenoxyphenyl) methanesulphonamide
    • Nimesulide Impurity B (EP / BP)
      Code : VN030002
      Chemical name : N-(2-phenoxyphenyl) methanesulphonamide
    • Nimesulide Impurity C (EP / BP)
      Code : VN030003
      Chemical name : 2-phenoxyaniline
    • Nimesulide Impurity D (EP / BP)
      Code : VN030004
      Chemical name : 4-nitro-2-phenoxyaniline
    • Nimesulide Impurity E (EP / BP)
      Code : VN030005
      Chemical name : N,N-bis(methylsulphonyl)-2-phenoxyaniline
    • Nimesulide Impurity F (EP / BP)
      Code : VN030006
      Chemical name : N,N-bis(methylsulphonyl)-4-nitro-2- phenoxyaniline
    • Nimesulide Impurity G (EP / BP)
      Code : VN030007
      Chemical name : 4-nitro-2-phenoxyphenol.
  • Nortriptyline Carbamate (Nort Carba)
    Chemical name : 3-(10,11-dihydro-5H-dibenzo[a,d][7] annulen-5-ylidene)-N-methylpropan-1-amine
    Mol. Formula : C19H22ClN
    Mol. Weight : 299.8
    • Nortriptyline Impurity A (EP)
      Code : VN040001
      Chemical name : 10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-one
    • Nortriptyline Impurity B (EP)
      Code : VN040002
      Chemical name : 3-(5H-Dibenzo-[a,d][7]annulen-5-ylidene)-N-methylpropan-1-amine Hydrochloride
    • Nortriptyline Impurity D (EP)
      Code : VN040003
      Chemical name : name 5-[3-(Dimethylamino)propyl]-10,11-dihydro-5H-dibenzo-[a,d][7]annulen-5-ol
    • Nortriptyline Impurity E (EP)
      Code : VN040004
      Chemical name : 3-(5HDibenzo[a,d][7]annulen-5-ylidene)-N,N-dimethylpropan-1-amine Hydrochloride
    • Nortriptyline Impurity F (EP)
      Code : VN040005
      Chemical name : 3-(10,11-dihydro-5H-dibenzo [a,d] cycloheptene-5-ylidene)-N,N-dimethylpropan-1-amine hydrochloride
    • Nortriptyline Impurity G (EP)
      Code : VN040006
      Chemical name : [3-(10,11-Dihydro-5H-dibenzo[a,d][7] annulen-5-ylidene)propyl]-dimethylamine Oxide Hydrochloride
    • Nortriptyline Carbamate
      Code : VN040007
      Chemical name : ethyl [3-(10,11-dihydro-5H-dibenzo [a,d][7]annulen-5-ylidene)propyl]methylcarbamate
  • Nifuroxazide
    Chemical name : 4-Hydroxy-N'-[(5-nitrofuran-2-yl)methylene]benzohydrazide
    Mol. Formula : C12H9N3O5
    Mol. Weight : 275.2
    • Diazepam EP Impurity A (Nordazepam)
      Code : D160007
      Chemical name : 7-Chloro-5-phenyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one (Nordazepam); (z)-7-chloro-5-phenyl-1h-benzo[e][1,4]diazepin-2(3h)-one;
      Unit : 10mg, 20mg, 50mg,100mg,
    • Diazepam EP Impurity B
      Code : D160002
      Chemical name : 2-Chloro-N-(4-chloro-2-benzoylphenyl)-N-methylacetamide
    • Diazepam Impurity A (USP)
      Code : SP040102
      Chemical name : (2-amino-5-chlorophenyl)(phenyl)methanone
      Unit : 10mg, 20mg, 50mg, 100mg
    • Diazepam EP Impurity E
      Code : D160005
      Chemical name : 6-Chloro-1-methyl-4-phenyl-2(1H)-quinazolinone
    • Nifuroxazide Impurity B (EP)
      Code : VN050001
      Chemical name : methyl 4-hydroxybenzoate
    • Nifuroxazide Impurity D (EP)
      Code : VN050002
      Chemical name : (1E,2E)-bis[(5-nitrofuran-2-yl)methylidene]hydrazine
    • Nifuroxazide Impurity A (EP)
      Code : VN050003
      Chemical name : 4-hydroxybenzohydrazide
    • Nifuroxazide Impurity C (EP)
      Code : VN050004
      Chemical name : (5-nitrofuran-2-yl)methylidene diacetate (5-nitrofurfural azine)
    • Nifuroxazide Impurity E (EP)
      Code : VN050005
      Chemical name : 4-hydroxy-N'-[(Z)-(5-nitrofuran-2-yl)methylidene]benzohydrazide
  • Naproxen
    Chemical name : (2S)-2-(6-Methoxynaphthalen-2-yl)propanoic acid
    Mol. Formula : C14H14O3
    Mol. Weight : 230.3
    • Naproxen Impurity G (EP)
      Code : VN060001
      Chemical name : (2R)-2-(6-Methoxynaphthalen-2-yl)propanoic acid
  • Nifedipine
    Chemical name : Dimethyl 2,6-dimethyl-4-(2-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
    Mol. Formula : C17H18N2O6
    Mol. Weight : 346.33
    • Nifedipine Impurity A (EP)
      Code : VN020001
      Chemical name : dimethyl 2,6-dimethyl-4-(2-nitrophenyl)pyridine-3,5-dicarboxylate
    • Nifedipine Impurity B (EP)
      Code : VN020002
      Chemical name : dimethyl 2,6-dimethyl-4-(2-nitrosophenyl)pyridine-3,5-dicarboxylate
    • Nifedipine Impurity C (EP)
      Code : VN020003
      Chemical name : methyl 2-(2-nitrobenzylidene)-3- oxobutanoate
    • Nifedipine Impurity D (EP)
      Code : VN020004
      Chemical name : methyl 3-aminobut-2-enoate
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