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

  • Azithromycin Impurity-D(BP)
    Chemical name : 14-demethyl-14-(hydroxymethyl) azithromycin (azithromycin F)
    Mol. Formula : C38H72N2O13
    Mol. Weight : 764.98 g/mol
    • Azithromycin Impurity-E(BP)
      Code : VA130005
      Chemical name : 3-(N,N-didemethyl)azithromycin (aminoazithromycin)
    • Azithromycin Impurity-F(BP): (USP RC F)
      Code : VA130006
      Chemical name : 3-N-demethyl-3-N-formylazithromycin
    • Azithromycin Impurity-G(BP)
      Code : VA130007
      Chemical name : 3-N-demethyl-3-N-[(4-methyl phenyl)sulphonyl]azithromycin,
    • Azithromycin Impurity-H(BP): (USP RC H)
      Code : VA130008
      Chemical name : 3-N-[[4-(acetylamino)phenyl] sulphonyl]-3-Ndemethylazithromycin,
    • Azithromycin Impurity-I(BP)
      Code : VA130009
      Chemical name : 3-N-desmethylazithromycin
    • Azithromycin Impurity-J(BP)
      Code : VA130010
      Chemical name : 13-O-decladinosylazithromycin (Desosaaminylazithromycin)
    • Azithromycin Impurity-L(BP)
      Code : VA130011
      Chemical name : azithromycin 3′-N-oxide
    • Azithromycin Impurity-M(BP)
      Code : VA130012
      Chemical name : 3-(N,N-didemethyl)-3′-N-formylazithromycin
    • Azithromycin Impurity-N(BP)
      Code : VA130013
      Chemical name : 3-de(dimethylamino)-3′-oxoazithromycin
    • Azithromycin Impurity-O(BP)
      Code : VA130014
      Chemical name : 2-desethyl-2-propylazithromycin
  • Azilsartan
    Mol. Formula : C25H20N4O5
    Mol. Weight : 456.46 g/mol
    • Azilsartan Ethyl impurity
      Code : VA500001
    • Azilsartan Medoxomil Impurity
      Code : VA500002
      Chemical name : (5-Methyl-2-oxo-1,3-dioxol-4-yl)methyl 2-Ethoxy-1-[[2-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl]-1H-benzimidazole-7-carboxylate
    • Azilsartan Ethyl open ring impurity
      Code : VA500004
  • Azelnidipine
    Chemical name : O3-[1-[di(phenyl)methyl]azetidin-3-yl] O5-propan-2-yl 2-amino-6-methyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
    Mol. Formula : C33H34N4O6
    Mol. Weight : 582.64 g/mol
    • Azilsartan Ethyl impurity
      Code : VA500001
      Chemical name : Ethyl 2-ethoxy-1-((2-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)-[1,1-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate
    • Azilsartan Medoxomil Impurity
      Code : VA500002
      Chemical name : (5-Methyl-2-oxo-1,3-dioxol-4-yl)methyl 2-Ethoxy-1-[[2-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl]methyl]-1H-benzimidazole-7-carboxylate
    • Azilsartan Ethyl open ring impurity
      Code : VA500004
  • Azelastine Hydrochloride
    Chemical name : ( RS)-4-[(4-chlorophenyl)methyl]-2- (1-methylazepan-4-yl)-phthalazin-1-one
    Mol. Formula : C22H24ClN3O
    Mol. Weight : 381.89 g/mol
    • Azelastine N-Oxide Impurity
      Code : VA150002
      Chemical name : 4-[(4-Chlorophenyl)methyl]-2-(hexahydro-1-methyl-1-oxido-1H-azepin-4-yl)-1(2H)-phthalazinone;
    • Azelastine Impurity- A (EP)
      Code : VA150001
      Chemical name : benzohydrazide
    • Azelastine Impurity C
      Code : VA150003
      Chemical name : 2-[(4-chlorophenyl)acetyl]benzoic acid,
    • Azelastine Impurity E
      Code : VA150005
      Chemical name : (3-(4-chlorobenzylidene)isobenzofuran-1(3H)-one)
    • 1-Methylhexahydroazepin-4-one HCl
      Code : VA150007
      Chemical name : Hexahydro-1-methyl-4H-azepin-4-one hydrochloride
    • Azelastine Related compound B
      Code : VA150004
  • Azathioprine
    Chemical name : 6-[(1-Methyl-4-nitro-1H-imidazol-5-yl)sulfanyl]-7H-purine.
    Mol. Formula : C9H7N7O2S
    Mol. Weight : 277.3 g/mol
    • Azathioprine EP Impurity A (USP RC A)
      Code : VA490002
      Chemical name : 1-methyl-4-nitro-1H-imidazol-5-amine
    • Azathioprine EP Impurity C
      Code : VA490001
      Chemical name : 5-chloro-1-methyl-4-nitro-1H-imidazole,
    • Azathioprine EP impurity D
      Code : VA490008
      Chemical name : 1-Methyl-4-nitro-1H-imidazole-5-thiol
    • Azathioprine EP Impurity E Na Salt
      Code : VA490007
      Chemical name : 1-Methyl-4-nitro-1H-imidazol-5-ol Sodium Salt
    • Azathioprine impurity G
      Code : VA490003
      Chemical name : 6-[(1-Methyl-4-nitro-1H-imidazol-5-yl)thio]-9H-purin-2-amine
  • Azacetidine
    Chemical name : 4-Amino-1-β-D-ribofuranosyl-s-triazin-2(1H)-one
    Mol. Formula : C8H12N4O5
    Mol. Weight : 244.2g/mol
    • Azacetidine USP RC A (5-Azacytosine Hydrate)
      Code : VD390004A
      Chemical name : Amino-4-hydroxy-1,3,5-triazine Hydrate
    • Azacetidine USP RC B
      Code : VA320001
      Chemical name : 1-O-Acetyl-2,3,5-tri-O-benzoyl-β-D-ribofuranose
  • Atropine
    Chemical name : (±)-Hyoscyamine
    Mol. Formula : C17H23NO3
    Mol. Weight : 289.38 g/mol
    • Atropine EP impurity G HCl
      Code : VA590002
      Chemical name : R(-)-3α-(2-Hydroxy-3-phenylpropionyloxy)-tropane Hydrochloride
  • Atracurium Besylate
    Mol. Formula : C53H72N2O122+
    Mol. Weight : 929.145 g/mol
    • cis-Quaternary Alcohol(Atracurium Besylate Impurity D2 Iodide)
      Code : VA890004
      Chemical name : Cis-Quaternary Alcohol Iodide
  • Atovaquone
    Chemical name : trans-2-[4-(4-chlorophenyl)cyclohexyl]-3-hydroxy-1,4-naphthalenedione
    Mol. Formula : C22H19ClO3
    Mol. Weight : 366.837 g/mol
    • Didehydro Atovaquone Impurity
      Code : VA810002
      Chemical name : 2-[4-(4-chlorophenyl)cyclohexa-3-yl]-3-hydroxy-1,4-naphthoquinone
    • O-Methyl Atovaquone Impurity
      Code : VA810003
      Chemical name : Trans-2-[4-(4-Chlorophenyl)cyclohexyl]-3-methoxy-1,4-naphthalenedione
    • Atovaquone EP Impurity B (USP RC A)
      Code : VA810006
      Chemical name : (cis-2-[4-(4-chlorophenyl)cyclohexyl]-3-hydroxy-1,4-naphthoquinone)
  • Atorvastatin Sodium(EP)
    Chemical name : (βR,δS)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino) carbonyl]-1H-pyrrole-1-heptanoic Acid Sodium Salt
    Mol. Formula : C33H34FN2O5
    Mol. Weight : 580.62 g/mol
    • Atorvastatin Acid(EP)
      Code : VA120001
    • Atorvastatin Calcium Trihydrate (EP)
      Code : VA120002
      Chemical name : (βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenyl amino)carbonyl]-1H-pyrrole-1-heptanoic Acid Calcium Salt
    • 3-Oxo-Atorvastatin
      Code : VA120003
      Chemical name : 2-(4-Fluorophenyl)-δ-hydroxy-5-(1-methylethyl)-β-oxo-3-phenyl-4-[(phenylamino) carbonyl]-1H-pyrrole-1-heptanoic Acid
    • Atorvastatin EPImp H (USP RC H):Atorvastatin Lactone)
      Code : VA120004
      Chemical name : 4-(4-Fluorophenyl)-6-(1-methylethyl)-N,2-diphenyl-5-[2-(tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl)ethyl]-3,7-dioxa-5-azatricyclo[4.1.0.02,4] heptane-1-carboxamide
    • 2-Hydroxy Atorvastatin Calcium(EP)
      Code : VA120005
      Chemical name : (βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-4-[[(2-hydroxyphenyl)amino]carbonyl]-5-(1-methylethyl)-3-phenyl-1H-pyrrole-1-heptanoic Acid calcium Salt; o-Hydroxy atorvastatin Calcium Salt
    • Atorvastatin Dehydro Ethyl Ester
      Code : VA120006
      Chemical name : Atorvastatin 3-Deoxy-Hept-2-Enoic Acid Ethyl ester
    • 4-Hydroxy Atorvastatin Calcium
      Code : VA120007
      Chemical name : (βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-4-[[(4-hydroxyphenyl)amino]carbonyl]-5-(1-methylethyl)-3-phenyl-1H-pyrrole-1-heptanoic Acid Calcium Salt; p-Hydroxyatorvastatin Calcium Salt
    • 5-Oxo- Atorvastatin
      Code : VA120008
      Chemical name : (γR)-2-(4-Fluorophenyl)-γ-hydroxy-5-(1-methylethyl)-δ-oxo-3-phenyl-4-[(phenylamino) carbonyl] -1H-pyrrole-1-heptanoic Acid
    • Atorvastatin Methyl Ester
      Code : VA120009
      Chemical name : (βR,δR)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino) carbonyl]-1H-pyrrole-1-heptanoic Acid Methyl Ester
    • 2-Hydroxy Atorvastatin Lactone
      Code : VA120010
      Chemical name : 5-(4-Fluorophenyl)-N-(2-hydroxy phenyl)-2-(1-methylethyl)-4-phenyl-1-[2-[(2R,4R)-tetrahydro-4-hydroxy-6-oxo-2H-pyran-2-yl]ethyl]-1H-pyrrole-3-carboxamide
    • 4-Hydroxy Atorvastatin Lactone
      Code : VA120011
      Chemical name : d-Lactone;(4R,6R)-6-{2-[2-(4-Fluoro phenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl) pyrrol-1-yl]ethyl}-4-hydroxytetrahydro-2H-pyran-2-one
    • Atorvastatin Impurity-A(EP): (Atorvastatin USP Related Compd A) (Atorvastatin Desfluoro impurity)
      Code : VA120012
      Chemical name : tert-Butyl 2-((4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenyl carbamoyl)-1H-pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxan-4-yl)acetate
    • Atorvastatin Impurity-B(EP) (USP RC B)
      Code : VA120013
      Chemical name : 3S,5R isomer, or (3S,5R)-7-[3-(phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid
    • Atorvastatin Impurity-C(EP): (Atorvastatin USP Related Compd C) (Difluoro Impurity)
      Code : VA120014
      Chemical name : (3R,5R)-7- [3-(phenylcarbamoyl)- 4, 5-bis(4-fluorophenyl)-2- isopropyl-1H-pyrrol-1- yl] -3,5-dihydroxyheptanoicacid
    • Atorvastatin Impurity-D(EP): (Diketo epoxide Impurity (Atorvastatin USP Related Compd D)
      Code : VA120015
      Chemical name : 3-(4-Fluorobenzoyl)-2-isobutyryl-3-phenyl-oxirane-2-carboxylic acid phenylamide
    • Atorvastatin Impurity-E(EP)(USP RC E)
      Code : VA120016
      Chemical name : 3S, 5S enantiomer of Atorvastatin Calcium
    • Atorvastatin Impurity-F(EP):(Atorvastatin N-(3,5-Dihydroxy-7-heptanoic Acid)amide)
      Code : VA120017
      Chemical name : (3R,5R)-7-[[(3R,5R)-7-[2-(4-Fluoro phenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenyl amino) carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-1-oxoheptyl] amino]-3,5-dihydroxy-heptanoic acid * Calcium Salt
    • Atorvastatin Impurity-G(EP): (3-O-Methyl Atorvastatin)
      Code : VA120018
      Chemical name : (3R,5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-5-hydroxy-3-methoxy-heptanoic acid
    • Atorvastatin EP Impurity I (Atorvastatin Acetonide t-Butyl Ester)(Atorvastatin USP Related Compd I)
      Code : VA120019
      Chemical name : (4R,6R)-6-[2-[2-(4-Fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetic Acid 1,1-Dimethylethyl Ester
    • Atorvastatin t-Butyl Ester
      Code : VA120020
      Chemical name : [R-(R*,S*)-2-(4-Fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenyl amino)carbonyl]-1H-pyrrole-1-heptanoic Acid tert-Butyl Ester
    • Atorvastatin Photo Degradation Product: (Atorvastatin Epoxy Dihydroxy Impurity) (Atorvastatin Epoxy Tetrahydrofuran Analog)
      Code : VA120021
      Chemical name : 4-(4-Fluorophenyl)-2,4-dihydroxy-2-isopropyl-N,5-diphenyl-3,6-dioxabicyclo [3.1.0]hexane-1-carboxamide
    • Atorvastatin Acetonide Acid : (Atorvastatin Acetonide)
      Code : VA120022
      Chemical name : (6-{2-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-phenylcarbamoyl-pyrrol-1-yl]-ethyl}-2,2-dimethyl-[1,3]dioxan-4-yl)-acetic acid
    • O-Hydroxy Atorvastatin D5
      Code : VA120023
      Chemical name : 2-Hydroxy Atorvastatin-d5 Calcium
    • Atorvastatin Lactam Phenanthrene Calcium
      Code : VA120024
      Chemical name : [3R-[1(βR*,δR*),3R*]]-9-Fluoro-2,3-dihydro-β,δ-dihydroxy-3-(1-methylethyl)- 2-oxo-3-[(phenylamino)carbonyl]-1H-dibenz[e,g]indole-1-heptanoic Acid Calcium Salt
    • Atorvastatin –d5 Calcium
      Code : VA120025
      Chemical name : (3R,5R)-7-[3-(Phenylcarbamoyl)-5(4- fluorophenyl)-2-isopropyl-4-phenyl-D5-1Hpyrrol- 1-yl]-3,5-dihydroxyheptanoic acid calcium salt
    • Atorvastatin Dehydro Lactone
      Code : VA120026
      Chemical name : 1-[2-[(2S)-3,6-Dihydro-6-oxo-2H- pyran-2-yl]ethyl]-5-(4-fluorophenyl)-2-(1-methyl ethyl)-N,4-diphenyl-1H-pyrrole-3-carboxamide
    • Atorvastatin 3-Deoxy-Hept-2-Enoic Acid Sodium Salt
      Code : VA120027
      Chemical name : (S,E)-7-[2-(4-Fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H- pyrrol-1-yl]-5-hydroxyhept-2-enoic acid sodium salt
    • Atorvastatin Pyrrolidone Analogue
      Code : VA120028
      Chemical name : (3R,5R)-7-[5-(4-Fluorophenyl)-2,3-dihydro-3-(1-methylethyl)-2-oxo-4-phenyl-3-[(phenyl amino)carbonyl]-1H-pyrrol-1-yl]-3,5-dihydroxy-heptanoic acid sodium salt
    • Atorvastatin acid ethyl ester
      Code : VA120029
      Chemical name : (3R,5R)-7-[3-(Phenylcarbamoyl)-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrol-1-yl]-3,5-dihydroxyheptanoic acid ethyl ester
    • Atorvastatin Cyclic Sodium Salt (Isopropyl) Impurity
      Code : VA120030
      Chemical name : 4-[7-(4-fluorophenyl)-7-hydroxy-7a-phenyl-1a-(phenylcarbomoyl)-1b-(propan-2-yl)hexahydro-3H-oxireno[3,4]pyrrolo[2,1-b][1,3]oxazin-3-yl]-3-hydroxybutanoic acid sodium salt
    • Atorvastatin Cyclic (Fluorophenyl) Sodium Salt Impurity
      Code : VA120031
      Chemical name : 4-[1b-(4-fluorophenyl)-7-hydroxy-1a-phenyl-7a-(phenylcarbamoyl)-7-(propan-2-yl)hexahydro-3H-oxireno[3,4]pyrrolo[2,1-b][1,3]oxazin-3-yl]-3-hydroxybutanoic acid sodium salt
    • Atorvastatin Impurity
      Code : VA120038
      Chemical name : (4S,6S)-6-(Cyanomethyl)-2,2-dimethyl-1,3-dioxane-4-acetic Acid tert-Butyl Ester
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