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

  • 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
  • Atenolol
    Chemical name : 2-[4-[(2 RS)-2-hydroxy-3-[(1-methylethyl)amino]propoxy]phenyl]acetamide
    Mol. Formula : C14H22N2O3
    Mol. Weight : 266.34 g/mol
    • Atenolol EP Imp A
      Code : VA110001
      Chemical name : 2-(4-hydroxyphenyl)acetamide
    • Atenolol EP Imp B
      Code : VA110002
      Chemical name : 2-[4-[(2RS)-2,3-dihydroxypropoxy]phenyl]acetamide (Des (isopropylamino) Atenolol diol)
    • Atenolol EP Imp C
      Code : VA110003
      Chemical name : 2-[4-[[(2RS)-oxiran-2-yl]methoxy] phenyl]acetamide
    • Atenolol EP Imp D
      Code : VA110004
      Chemical name : 2-[4-[(2RS)-3-chloro-2-hydroxy propoxy]phenyl]acetamide
    • Atenolol EP Imp E
      Code : VA110005
      Chemical name : 2,2’-[2-hydroxypropan-1,3-diylbis(oxy-4,1-phenylene)]diacetamide
    • Atenolol EP Imp F
      Code : VA110006
      Chemical name : 2,2’-[(1-methylethyl)iminobis(2-hydroxypropan-3,1-diyloxy-4,1-phenylene)]diacetamide
    • Lamotrigine Impurity A (EP)
      Code : VL010001
      Chemical name : (3-amino-6-(2,3-dichlorophenyl)-1,2,4-triazin-5(4H)-one)
  • Atazanavir
    Chemical name : 3,12-Bis(1,1-dimethylethyl)-8-hydroxy-4,11-dioxo-9-(phenylmethyl)-6-[[4-(2-pyridinyl)phenyl]methyl]-dimethyl Ester
    Mol. Formula : C38H52N6O7
    Mol. Weight : 704.86 g/mol
    • Atazanavir Benzylidenehydrazine Analogue
      Code : VA370008
      Chemical name : (2S,3S)-3-amino-4-phenyl-1-((E)-1-(4-(pyridin-2-yl)benzyl)-2-(4-(pyridin-2-yl)benzylidene)hydrazinyl)butan-2-ol
    • 4-(2-Pyridyl)benzaldehyde
      Code : VA370009
      Chemical name : 2-(4-Formylphenyl)pyridine
    • Atazanavir Pyridinyl benzaldehyde lactose acetal
      Code : VA370015
      Chemical name : (3R, 4R, 5S,6R)-5-((4aR,7R,8R,8aR)-7,8-dihydroxy-2-(4-(pyridine-2-yl)phenyl)hexahydropyrano[3,2-d][1,3]dioxin-6-yloxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-2,3,4- triol
    • Atazanavir Hydrazine analog
      Code : VA370020
      Chemical name : (2S,3S)-3-amino-4-phenyl-1-(1-(4-(pyridin-2-yl)benzyl)hydrazinyl)butan-2-ol
    • Atazanavir benzylidenehydrazine carbamate
      Code : VA370021
      Chemical name : Methyl (S)-1-((2S,3S)-3-hydroxy-1-phenyl-4-((E)-1-(4-(pyridin-2-yl)benzyl)-2-(4-(pyridin-2-yl)benzylidene)hydrazinyl)butan-2-ylamino)-3,3-dimethyl-1-oxobutan-2-ylcarbamate
  • Aspirin (Acetyl Salicylic Acid)
    Chemical name : 2-(Acetyloxy)benzoic acid.
    Mol. Formula : C9H8O4
    Mol. Weight : 180.2 g/mol
    • Aspirin EP Impurity A
      Code : VA210001
      Chemical name : 4-hydroxybenzoic acid
    • Aspirin EP Impurity B
      Code : VA210002
      Chemical name : 4-hydroxyisophthalic acid.
    • Aspirin EP Impurity C
      Code : VS070000
      Chemical name : Salicylic Acid; 2-Hydroxybenzoic acid
    • Aspirin EP Impurity D
      Code : VA210004
      Chemical name : 2-[[2-(acetyloxy)benzoyl]oxy]benzoic acid (acetylsalicylsalicylic acid),
    • Aspirin EP Impurity E
      Code : VA210005
      Chemical name : 2-Carboxyphenyl Salicylate
    • Acetylsalicylic Acid-d4:
      Code : VA210006
      Chemical name : 2-Acetoxybenzoic-3,4,5,6-d4 Acid
    • Aspirin EP Impurity F
      Code : VA210007
      Chemical name : 2-(acetyloxy)benzoic anhydride (acetylsalicylic anhydride)
  • Aspartame
    Chemical name : N-(L-α-Aspartyl)-L-phenylalanine, 1-methyl ester
    Mol. Formula : C14H18N2O5
    Mol. Weight : 294.3 g/mol
    • Aspartame USP RC A
      Code : VA290002
      Chemical name : (2S-cis)-(−)-5-Benzyl-3,6-dioxo-2-piperazineacetic acid
    • Aspartame EP Impurity B
      Code : VA290003
      Chemical name : (3S)-3-amino-4-[[(1S)-1-carboxy-2-phenylethyl]amino]-4-oxobutanoic acid (a-L- aspartyl-L-phenylalanine)
    • Aspartame EP impurity C
      Code : VA290001
      Chemical name : (2S)-2-amino-3-phenylpropanoic acid (L-phenylalanine)
  • Asenapine Maleate
    Chemical name : (3aR,12bR)-rel-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole (2Z)-2-Butenedioate; trans-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-Dibenz[2,3:6,7]oxepino[4,5-c]pyrrole
    Mol. Formula : C21H20ClNO
    Mol. Weight : 401.84 g/mol
    • Asenapine N-Oxide
      Code : VA410001
      Chemical name : (3aR-trans)-5-Chloro-2,3,3a,12b-tetrahydro-2-methyl-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole 2-Oxide
    • N-Desmethyl Asenapine
      Code : VA410002
      Chemical name : (3aR,12bR)-rel-5-Chloro-2,3,3a,12b-tetrahydro-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole Hydrochloride
    • N-Desmethyl Asenapine
      Code : VA410002
      Chemical name : (3aR,12bR)-rel-5-Chloro-2,3,3a,12b-tetrahydro-1H-dibenz[2,3:6,7]oxepino[4,5-c]pyrrole Hydrochloride
  • Ascorbic Acid
    Chemical name : (5R)-5-[(1S)-1,2-Dihydroxyethyl]-3,4-dihydroxyfuran-2(5H)-one.
    Mol. Formula : C6H8O6
    Mol. Weight : 176.1 g/mol
    • Ascorbic Acid BP impurity A (2-furaldehyde)
      Code : VA550003
      Chemical name : Furan-2-carboxaldehyde
    • Ascorbic Acid EP impurity C
      Code : VA550001
      Chemical name : 2-Ketogulonic acid; 2-Keto-gulonic Acid, D-xylo-hex-2-ulosonic acid (D-sorbosonic acid),
    • 2,6-Dichloroindophenol Sodium Salt Dihydrate
      Code : VA550006
      Chemical name : Sodium 2,6-Dichlorobenzenone-indo-phenol Dihydrate
    • Ascorbic acid BP impurity F
      Code : VA550004
      Chemical name : 2,3-didehydro-d-erythro-hexono-1,4-lactone
  • Artesunate
    Chemical name : 3R,5aS,6R,8aS,9R,10S,12R,12aR)-Decahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano(4,3-j)-1,2-benzodioxepin-10-ol hydrogen succinate
    Mol. Formula : C19H28O8
    Mol. Weight : 384.42 g/mol
    • Artesunate Carboxaldehyde Impurity
      Code : VA430001
      Chemical name : (3R,4R,4aS,7R,8S,8aR)-Hexahydro-3-hydroxy-4,7-dimethyl-8-(3-oxobutyl)-1,2-benzodioxin-8a(3H)-carboxaldehyde
  • Artemether
    Chemical name : 3R-(3R,5aS,6S,8aS,9R,10R,12S, 12aR**)]-Decahydro-10-methoxy-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin
    Mol. Formula : C16H26O5
    Mol. Weight : 298.37 g/mol
    • Artemether Related Compound A: (Dihydroartemisinin)
      Code : VA200001
      Chemical name : (3R,5aS,6R,8aS,9R,12R,12aR ) – Decahydro-10-hydroxy-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin
    • Artemether Related Compound B: (α - Artemether)
      Code : VA200002
      Chemical name : (3R,5aS,6R,8aS,9R,10R,12R,12aR ) – Decanhydro-10-methoxy-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin
    • Artemisinin
      Code : VA200003
      Chemical name : (3R,5aS,6R,8aS,9R,12S,12aR)-Octahydro-3,6,9-trimethyl-3,12-epox12H-pyrano[4,3-j]-1,2-benzodioxepin-10(3H)-one
    • Anhydro Dihydroartemisnin
      Code : VA200004
      Chemical name : (3R,5aS,6R,8aS,12R,12aR)-3,4,5, 5a, 6,7,8,8a-Octahydro-3,6,9-trimethyl-3,12-epoxy-12H-pyrano[4,3-j]-1,2-benzodioxepin
  • Armodafinil
    Chemical name : (–)-2-[(R)-(diphenylmethyl) sulfinyl]acetamide
    Mol. Formula : C15H15NO2S
    Mol. Weight : 273.351 g/mol
    • Armodafinil Impurity A
      Code : VA190001
      Chemical name : (-)2-[(Diphenyl methyl)sulfinyl]acetic acid
    • Armodafinil Impurity A
      Code : VA190001
      Chemical name : (-)2-[(Diphenyl methyl)sulfinyl]acetic acid
    • Armodafinil Impurity B
      Code : VA190002
      Chemical name : 2-[(Diphenyl methyl)thio]acetic acid
    • Armodafinil Impurity C: (Modafinil Sulfone) (USP RC B) Cat
      Code : VA190003
      Chemical name : 2-[(Diphenyl methyl)sulfonyl] acetamide
    • Armodafinil Impurity D: (Modafinil Carboxylate Sulfone)
      Code : VA190004
      Chemical name : 2-[(Diphenyl methyl)sulfonyl]acetic acid
    • Armodafinil Impurity E: (USP RC C)
      Code : VA190005
      Chemical name : 2-[(Diphenyl methyl)thio]acetamide
    • Armodafinil Impurity F(Modafinil Carboxylate Methyl Ester
      Code : VA190006
      Chemical name : (-)2-[(diphenyl methyl)sulfinyl]acetic acid methyl ester
    • Armodafinil Impurity G
      Code : VA190007
      Chemical name : (-)-2-[(diphenyl methyl)sulfinyl]-propionamide
    • Armodafinil Impurity H: (S-Modafinil)
      Code : VA190008
      Chemical name : 2-(S)-[(diphenyl methyl)sulfinyl]acetic acid
    • Armodafinil-d5 (Modafinil-d5)
      Code : VA190009
      Chemical name : 2-[(Diphenylmethyl-d5)sulfinyl] acetamide
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