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

  • Ketotifen Fumarate
    Chemical name : 4-(1-Methylpiperidin-4-ylidene)-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b]thiophen-10-one hydrogen (E)-butenedioate
    Mol. Formula : C19H19NOS,C4H4O4
    Mol. Weight : 425.5 g/mol
    • Ketotifen Fumarate EP Impurity A
      Code : VK010001
      Chemical name : 4-(4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ylidene)-1-methylpiperidine
    • Ketotifen Fumarate EP Impurity B
      Code : VK010002
      Chemical name : (4RS)-10-methoxy-4-(1-methylpiperidin-4-yl)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-4-ol
    • Ketotifen Fumarate EP Impurity C
      Code : VK010003
      Chemical name : (4RS)-4-hydroxy-4-(1-methylpiperidin-4-yl)-4,9-dihydro-10H-benzo[4, 5]cyclohepta[1,2-b]thiophen-10-one
    • Ketotifen Fumarate EP Impurity D: (Ketotifen N-oxide)
      Code : VK010004
      Chemical name : 4-[(aRaS)-1-methylpiperidin-4-ylidene]-4,9-dihydro-10H-benzo[4,5]cyclohepta[1,2-b] thiophen-10-one N-oxide
    • Ketotifen Fumarate EP Impurity E: (4-oxo- Ketotifen)
      Code : VK010005
      Chemical name : 10-(1-methylpiperidin-4-ylidene)-5,10-dihydro-4H-benzo[5,6]cyclohepta[1,2-b]thiophen-4- one,
    • Ketotifen Fumarate EP Impurity F
      Code : VK010006
      Chemical name : 4-(1-methylpiperidin-4-ylidene)-4,10-dihydro-9H-benzo[4,5]cyclohepta[1,2-b]thiophen -9-one
    • Ketotifen Fumarate EP Impurity G: (9,10-Dioxo Ketotifen)
      Code : VK010007
      Chemical name : 4-(1-methylpiperidin-4-ylidene)-4H-benzo[4,5]cyclohepta[1,2-b]thiophen-9,10-dione.
  • Kaempferol
    Chemical name : 3,4′,5,7-Tetrahydroxyflavone, 3,5,7-Trihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one, (Robigenin)
    Mol. Formula : C15H10O6
    Mol. Weight : 286.24 g/mol
  • Ketoprofen
    Chemical name : (2RS)-2-(3-Benzoylphenyl)propanoic acid.
    Mol. Formula : C16H14O3
    Mol. Weight : 254.3 g/mol
    • Ketoprofen EP Impurity A (USP RC D)
      Code : VK030001
      Chemical name : 1-(3-benzoylphenyl)ethanone
    • Ketoprofen EP Impurity F
      Code : VK030007
      Chemical name : 3-Benzoyl-α-methylphenylacetonitrile
    • Ketoprofen EP Impurity G
      Code : VK030008
      Chemical name : 3-[(1RS)-1-cyanoethyl]benzoic acid,
    • Ketoprofen Ethyl Ester
      Code : VK030009
      Chemical name : Benzeneacetic acid, 3-benzoyl-a-Methyl-,ethyl ester;3-Benzoyl-α-Methylbenzeneacetic Acid Ethyl Ester.
    • Ketoprofen Sorbitol Ester
      Code : VK030015
      Chemical name : (2R,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl 2-(3-benzoylphenyl)propanoate
  • Ketamine Hydrochloride
    Chemical name : (2RS)-2-(2-Chlorophenyl)-2-(methylamino) cyclohexanone hydrochloride
    Mol. Formula : C13H17Cl2NO
    Mol. Weight : 274.2 g/mol
    • Ketamine EP Imp A
      Code : VK050001
      Chemical name : 1-(2-chloro-N-methyl benzimidoyl) cyclopentanol
  • Ketorolac
    Chemical name : 5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid
    Mol. Formula : C15H13NO3
    Mol. Weight : 255.3 g/mol
    • Ketorolac Trometamol
      Code : VK090000A
      Chemical name : (±)-5-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic Acid Tris Salt
    • Ketorolac EP Impurity B (USP RC C)
      Code : VK090001
      Chemical name : 5-Benzoyl-2,3-dihydro-1H-pyrrolizin-1-one
    • Ketorolac EP Impurity C
      Code : VK090003
      Chemical name : (1RS)-6-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid,
    • Ketorolac EP Impurity D
      Code : VK090004
      Chemical name : (1RS)-5-benzoyl-1-methoxy-2,3-dihydro-1H-pyrrolizine- 1-carboxylic acid
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