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

  • Meclozine HCl (BP)
    Chemical name : 1-[(RS-(4-chlorophenyl)phenylmethyl] -4-(3-methylbenzyl) piperazine dihydrochloride
    Mol. Formula : C25H29Cl3N2
    Mol. Weight : 463.9
    • Meclozine HCl Impurity A (BP)
      Code : VM100001
      Chemical name : diphenylmethanol
    • Meclozine HCl Impurity B (BP)
      Code : VM100002
      Chemical name : (RS)-(4-hlorophenyl)(phenyl)methanol
    • Meclozine HCl Impurity E (BP)
      Code : VM100003
      Chemical name : 1-[(4-chlorophenyl)(phenyl)methyl]piperazine
    • Meclozine HCl unknown impurity 1
      Code : VM100004
      Chemical name : [1,4-Bis(4-chloro Benzhydryl) piperazine]
    • Meclozine HCl unknown impurity 2
      Code : VM100005
      Chemical name : [4-N,N-(Bis-(3-methyl phenyl)methyl)-1,4-chloro Benzhydryl piperazinium bromide ]
  • Mefenamic acid
    Chemical name : 2-(2,3-dimethylphenyl)aminobenzoic acid
    Mol. Formula : C15H15NO2
    Mol. Weight : 241.2851
    • Mefenamic acid Impurity A (EP)
      Code : VM090001
      Chemical name : 2,3-Dimethylaniline
    • Mefenamic acid Impurity B (EP)
      Code : VM090002
      Chemical name : N-(2,3-Dimethylphenyl)-2-[(2,3-dimethylphenyl)amino]benzamide
    • Mefenamic acid Impurity C (EP)
      Code : VM090003
      Chemical name : 2-Chlorobenzoic Acid
    • Mefenamic acid Impurity D (EP)
      Code : VM090004
      Chemical name : Benzoic Acid
  • Meloxicam
    Chemical name : 4-hydroxy-2-methyl-N-(5-methyl-1,3-thiazol-2-yl)-2 H-1,2-benzothiazine-3-carboxamide 1, 1-dioxide
    Mol. Formula : C14H13N3O4S2
    Mol. Weight : 351.4
    • Dextromethorphan EP Impurity B (Dextrorphan)
      Chemical name : ent-17-Methylmorphinan-3-ol (L)-Tartrate
      Unit : 10mg, 20mg, 50mg,100mg,
    • Dextromethorphan D3
      Chemical name : (9|A,13|A,14|A)-3-Methoxy-17-(methyl-d3)morphinan
      Unit : 10mg, 20mg, 50mg,100mg,
    • Dextromethorphan Hydrobromide
      Chemical name : 3-Methoxy-17-methyl-9alpha,13alpha,14alpha-morphinan hydrobromide monohydrate
      Unit : 10mg, 20mg, 50mg,100mg,
    • Dextromethorphan Hydrochloride
      Chemical name : Morphinan, 3-methoxy-17-methyl-, hydrochloride, (9alpha,13alpha,14alpha)-
      Unit : 10mg, 20mg, 50mg,100mg,
    • Dextromethorphan N-Oxide
      Chemical name : (9S,13S,14S)-3-Methoxy-17-methylmorphinan 17-Oxide
      Unit : 10mg, 20mg, 50mg,100mg,
    • Meloxicam Impurity A (EP)
      Code : VM080001
      Chemical name : ethyl 4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxylate 1,1-dioxide
    • Meloxicam Impurity B (EP)
      Code : VM080002
      Chemical name : 5-Methylthiazole-2-amine
    • Meloxicam Impurity C (EP)
      Code : VM080003
      Chemical name : N-[(2Z)-3,5-dimethyl-1,3-thiazol-2(3H)-ylidene]-4-hydroxy-2-methyl-2H-1,2-benzo thiazine-3-carboxamide-1,1-dioxide
    • Meloxicam Impurity D (EP)
      Code : VM080004
      Chemical name : N-[(2Z)-3,ethyl-5-methyl-1,3-thiazol-2(3H)-ylidene]-4-hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide 1,1-dioxide
    • Meloxicam Impurity E (EP)
      Code : VM080005
      Chemical name : Isopropyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide
    • Desmethyl Meloxicam
      Code : VM080006
      Chemical name : 4-Hydroxy-2-methy-(5-methyl-1,3-thiazol-2-yl)-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide
    • Meloxicam Iso Propyl Ester:
      Code : VM080007
      Chemical name : Isopropyl 4-Hydroxy-2-methyl-2H-1,2-benzothiazine-3-carboxamide-1,1-dioxide
  • Memantine
    Chemical name : 3,5-dimethyladamantan-1-amine
    Mol. Formula : C12H21N
    Mol. Weight : 179.3
    • Memantine Lactose Adduct (HCL Salt)
      Code : VM110001
      Chemical name : memantine lactose hydrochloride salt
    • Memantine Lactose Adduct (Free Base)
      Code : VM110002
      Chemical name : N-(3,5-Dimethyltricyclo[3.3.1.13,7]dec-1-yl)-4-O-β-D-galactopyranosyl- D-glucopyranosylamine
    • Memantine Impurity A
      Code : VM110003
      Chemical name : 1-Chloro-3,5-dimethyladamantane
    • Memantine Impurity B
      Code : VM110004
      Chemical name : 1-Hydroxy-3,5-dimethyladamantane
    • Memantine Impurity D (USP)
      Code : VM110005
      Chemical name : 1-Bromo-3,5-dimethyladamantane
    • Memantine Impurity 4
      Code : VM110006
      Chemical name : 3-Amino-5, 7-dimethyltricyclo [3.3.1.13, 7] decan-1-ol; 7-Hydroxymemantine
  • Mesalazine
    Chemical name : 5-Amino-2-hydroxybenzoic acid
    Mol. Formula : C7H7NO3
    Mol. Weight : 153.14
    • N-Propionyl Mesalazine
      Code : VM010002
      Chemical name : 2-Hydroxy-5-[(1-oxopropyl) amino]benzoic Acid
    • N-Acetyl Mesalazine
      Code : VM010001
      Chemical name : Acetyl amino salicylic acid
    • Mesalazine-13C6 Hydrochloride
      Code : VM010003
      Chemical name : Mesalazine-13C6 Hydrochloride;5-AMino-2-hydroxybenzoic Acid
    • Mesalazine Impurity A (EP)
      Code : VM010005
      Chemical name : 4-Amino Phenol
    • Mesalazine Impurity B (EP)
      Code : VM010006
      Chemical name : 3-Amino Phenol
    • Mesalazine Impurity C (EP)
      Code : VM010007
      Chemical name : 4-Amino Phenol
    • Mesalazine Impurity D (EP)
      Code : VM010008
      Chemical name : 3-Amino Benzoic Acid
    • Mesalazine Impurity E (EP)
      Code : VM010009
      Chemical name : 4-Amino-2-hydroxybenzoic acid
    • Mesalazine Impurity F (EP)
      Code : VM010010
      Chemical name : 3-amino-2-hydroxy benzoic acid
    • Mesalazine Impurity H (EP)
      Code : VM010011
      Chemical name : 2-Hydroxybenzoic acid
    • Mesalazine Impurity L (EP)
      Code : VM010012
      Chemical name : 2-Chlorobenzoic acid
    • Mesalazine Impurity M (EP)
      Code : VM010004
      Chemical name : 2-chloro-5-nitrobenzoic acid
    • Mesalazine Impurity N (EP)
      Code : VM010013
      Chemical name : 2-hydroxy-5-nitrobenzoic acid
  • Metformin Hydrochloride
    Chemical name : 1,1-Dimethylbiguanide hydrochloride
    Mol. Formula : C4H12ClN5
    Mol. Weight : 165.6
    • Metformin Hydrochloride Impurity A
      Code : VM020001
      Chemical name : cyanoguanidine
    • Metformin Hydrochloride Impurity B
      Code : VM030002
      Chemical name : 4-(2-methoxyethyl)phenol
    • Metformin Hydrochloride Impurity D
      Code : VM030004
      Chemical name : (2RS)-3-[4-(2-methoxyethyl) phenoxy]propane-1,2-diol
  • Metoprolol Tartrate
    Chemical name : Bis[(2RS)-1-[4-(2-methoxyethyl) phenoxy]-3-[(1-methylethyl)amino]propan-2-ol] (2R,3R)-2,3-dihydroxybutanedioate
    Mol. Formula : (C15H25NO3)2,C4H6O6
    Mol. Weight : 685
    • Dexamethasone 21-Acetate Imp G
      Code : SM042401
      Unit : 10mg, 20mg, 50mg, 100mg
    • Metoprolol Tartrate Impurity A (EP)
      Code : VM030001
      Chemical name : (2RS)-1-(ethylamino)-3-[4-(2-methoxyethyl) phenoxy]propan-2-ol
    • Metoprolol Tartrate Impurity C (EP)
      Code : VM030003
      Chemical name : 4-[(2RS)-2-hydroxy-3-[(1-methylethyl)amino]propoxy] benzaldehyde
    • Metoprolol Tartrate Impurity F (EP)
      Code : VM030006
      Chemical name : (2RS)-1-[(1-methylethyl)amino]-3-phenoxypropan-2-ol
    • Metoprolol Tartrate Impurity E (EP)
      Code : VM030005
      Chemical name : (2RS)-1-[2-(2-methoxyethyl)phenoxy]-3-[(1-methylethyl)amino] propan-2-ol
    • Metoprolol Tartrate Impurity H (EP)
      Code : VM030008
      Chemical name : (2RS)-1-[4-(2-hydroxyethyl)phenoxy]-3-[(1-methylethyl)amino]propan-2-ol
    • Metoprolol Tartrate Impurity J (EP)
      Code : VM030009
      Chemical name : 1-[2-hydroxy-3-[(1-methylethyl) amino] propoxy]-3-[4-(2-methoxyethyl)phenoxy] propan-2-ol
    • Metoprolol Tartrate Impurity M (EP)
      Code : VM030010
      Chemical name : 1,3-bis[(1-methylethyl)amino] propan-2-ol
    • Metoprolol Tartrate Impurity N (EP)
      Code : VM030011
      Chemical name : (2RS)-3-[(1-methylethyl)amino] propane-1,2-diol
    • Metoprolol Tartrate Impurity G (EP)
      Code : VM030007
      Chemical name : 2-(4-hydroxyphenyl)ethanol
    • Metoprolol Tartrate Impurity O (EP)
      Code : VM030012
      Chemical name : 1,1’-[(1-methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]propan-2-ol]
    • Metoprolol Methoxy Epoxide Impurity
      Code : VM030014
      Chemical name : 1-[2-(2-Methoxyethyl)phenyoxy]-2,3-epoxypropane
    • Metoprolol Succinate
      Code : VM030016
      Chemical name : Bis[(2RS)-1-[4-(2-methoxyethyl) phenoxy]-3-[(1-methylethyl)amino]propan-2-ol] butanedioate
    • Metoprolol Bis Propanol Impurity
      Code : VM030013
      Chemical name : 1,3-Bis[4-(2-methoxyethyl)phenoxy]-2-propanol
    • Metoprolol Acid
      Code : VM030015
      Chemical name : 4-[2-Hydroxy-3-[(1-methylethyl)amino]propoxy]benzeneacetic Acid
    • Metoprolol Tartrate Impurity B (USP)
      Code : VM030017
      Chemical name : ((+/-)1-Chloro-2-hydroxy-3-[4-(2methoxyethyl)phenoxy]-propane)
  • Minocycline Hydrochloride Dihydrate (BP)
    Chemical name : (4S,4aS,5aR,12aS)-4,7-Bis(dimethyl amino)-3,10,12,12atetrahydroxy-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide hydrochloride dehydrate
    Mol. Formula : C23H27N3O7 HCl 2H2O
    Mol. Weight : 530
    • Dexamethasone Sodium Phosphate Impurity B
      Code : D240003
      Chemical name : 9-fluoro-11β,17-dihydroxy-16β-methyl-3,20-dioxopregna-1,4-dien-21-yl disodiumphosphate (bethamethasone disodium phosphate).
      Unit : 10mg, 20mg, 50mg,100mg,
    • Prednisolone sodium phosphate Impurity D (11beta-Hydroxyboldione)
      Code : P240032
      Chemical name : 11β-Hydroxyandrosta-1,4-diene-3,17-dione
      Unit : 10mg, 20mg, 50mg,100mg,
    • Dexamethasone sodium phosphate impurity H
      Code : D240016
      Chemical name : 9-fluoro-11β,17-dihydroxy-16α-methyl-3,20-dioxopregn-4-en-21-yl dihydrogen phosphate.
      Unit : 10mg, 20mg, 50mg,100mg,
    • Minocycline Hydrochloride Dihydrate Impurity A (BP)
      Code : VM040001
      Chemical name : (4R,4aS,5aR,12aS)-4,7-bis(dimethyl amino)-3,10,12,12atetrahydroxy-1,11-dioxo-1,4,4a, 5, 5a,6,11,12a-octahydrotetracene-2-carboxamide
    • Minocycline Hydrochloride Dihydrate Impurity B (BP)
      Code : VM040002
      Chemical name : (4S,4aS,5aR,12aS)-4-(dimethylamino)-3,10,12,12atetrahydroxy-1,11-dioxo1,4,4a,5,5a,6,11, 12a-octahydrotetracene-2-carboxamide(sancycline)
    • Minocycline Hydrochloride Dihydrate Impurity C (BP)
      Code : VM040003
      Chemical name : (4S,4aS,5aR,12aS)-4-(dimethylamino)-3,10,12,12atetrahydroxy-7-(methylamino)-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide
    • Minocycline Hydrochloride Dihydrate Impurity D (BP)
      Code : VM040004
      Chemical name : (4S,4aS,5aR,12aS)-7-amino-4-dimethyl amino)-3,10, 12,12a-tetrahydroxy-1,11-dioxo-1,4,4a,5, 5a,6,11,12a-octahydrotetracene-2-carboxamide
  • Mirtazapine
    Chemical name : (14bRS)-2-Methyl-1,2,3,4,10,14b-hexahydropyrazino[2,1-a]pyrido[2,3-c][2]benzazepine
    Mol. Formula : C17H19N3
    Mol. Weight : 265.4
    • Mirtazapine Impurity A (EP)
      Code : VM120001
      Chemical name : (14bRS)-2-methyl-1,2,3,4,10,14b-hexahydropyrazino[2,1-a]pyrido[2,3-c][2]benzazepine 2-oxide
    • Mirtazapine Impurity B (EP)
      Code : VM120002
      Chemical name : [2-[(2RS)-4-methyl-2-phenylpiperazin-1-yl]pyridin-3-yl]methanol
    • Mirtazapine Impurity C (EP)
      Code : VM120003
      Chemical name : (14bRS)-2-methyl-3,4,10,14b-tetra hydropyrazino[2,1-a]pyrido[2,3-c][2]benzazepin-1(2H)-one
    • Mirtazapine Impurity D (EP)
      Code : VM120004
      Chemical name : 1,2,3,4,10,14b-Hexahydropyrazino[2,1-a]pyrido[2,3-c][2]
    • Mirtazapine Impurity E (EP)
      Code : VM120005
      Chemical name : (2RS)-4-Methyl-1-(3-methylpyridin-2-yl)-2-phenylpiperazine
    • Mirtazapine Impurity (Melatonin)
      Code : VM120006
      Chemical name : N-[2-(5-methoxy-1H-indol-3-yl)ethyl] acetamide
  • Montelukast Sodium
    Chemical name : (S,E)-2-(1-((1-(3-(2-(7-chloroquinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl) propylthio)methyl)cyclopropyl)acetate sodium
    Mol. Formula : C35H35ClNaNO3S
    Mol. Weight : 608.17
    • Dexchlorpheniramine Maleate EP Impurity A (Pheniramine)
      Chemical name : Dimethyl-(3-phenyl-3-pyridin-2-yl-propyl)-amine
      Unit : 10mg, 20mg, 50mg,100mg,
    • Montelukast Mercapto Impurity
      Code : VM050002
      Chemical name : 3-(Mercaptomethyl)cyclopropane acetic acid
    • Montelukast Impurity 1
      Code : VM050004
      Chemical name : 2-[3-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-oxopropyl]benzoic Acid Methyl Ester
    • Montelukast (Acid)
      Code : VM050001
      Chemical name : (S,E)-2-(1-((1-(3-(2-(7-chloroquinolin 2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl) propylthio)methyl)cyclopropyl)acetic acid
    • Montelukast Impurity 2
      Code : VM050003
      Chemical name : 2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl) ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-propanol
    • Montelukast Sulfoxide Impurity A
      Code : VM050005
      Chemical name : [1-[[[1-[3-[(E)-2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(2-hydrox-ypropan-2-yl)phenyl] propyl]sulfinyl]methyl]cyclopropyl]acetic acid
    • Montelukast Impurity 3
      Code : VM050006
      Chemical name : Methyl [E]-2-[3-(S)-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-hydroxypropyl]benzoate
    • Montelukast Dicyclohexylamine
      Code : VM050011
      Chemical name : [RS-(E)]-1-[[[1-[3-[2-(7-chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneac etic acid sodium salt
    • Montelukast Methylketone Impurity
      Code : VM050007
      Chemical name : 1-[[[(1R)-3-(2-Acetylphenyl)-1-[3-[(1E)-2-(7-chloro-2-quinolinyl)ethenyl]phenyl]propyl] thio] methyl]cyclopropaneacetic Acid
    • Montelukast Disulfide Impurity
      Code : VM050009
      Chemical name : 1-[1-Carboxymethyl-cyclopropyl methyl disulfanylmethyl) cyclopropyl] acetic acid
    • Montelukast Sulfone
      Code : VM050012
      Chemical name : 1-[[[1-[3-[2-(7-Chloro-2-quinolinyl) ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl] propyl]sulfonyl]methyl]cyclopropaneacetic Acid
    • Montelukast Lactone
      Code : VM050013
      Chemical name : (3S)-3-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-4,5-dihydro-2-benzoxepin-1(3H)-one
    • Montelukast Dihydro Impurity
      Code : VM050015
      Chemical name : 1-[[[(1R)-1-[3-[2-(7-Chloro-2-quinolinyl)ethyl]phenyl]-3-[2-(1-hydroxy-1-methyl ethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic acid sodium salt
    • Montelukast Impurity D & E
      Code : VM050017
      Chemical name : 1-[[[(1R,S)-2-[3-[(1R)-1-[[[1-(carboxy methyl)cyclopropyl]methyl] sulfanyl]-3-[2-(2-hydroxy)
    • Montelukast Ether Impurity
      Code : VM050014
      Chemical name : 7-Chloro-2-[2-[3-(1,3,4,5-tetrahydro-1,1-dimethyl-2-benzoxepin-3-yl)phenyl]ethenyl] quinoline
    • Montelukast Diol Impurity (Impurity B)
      Code : VM050016
      Chemical name : 2-(2-(3S-(2-(7-chloro-2-quinolinyl)-ethenyl-phenyl)-3-hydroxy-propyl)phenyl)-2-propanol propan-2-yl)phenyl] propyl]phenyl]-1-(7-chloroquinolin-2-yl) ethyl]sulfanyl]methyl cyclopropane carboxylic acid
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