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

  • Famciclovir
    Chemical name : 2-[2-(2-Amino-9H-purin-9-yl)ethyl]-1,3-propanediol Diacetate Ester
    Mol. Formula : C14H19N5O4
    Mol. Weight : 321.33 g/mol
    • Famciclovir Related compound F
      Code : VF270003
      Chemical name : 2-Amino-6-chloropurine
  • Famotidine
    Chemical name : 3-[[[2-[(Diaminomethylene) amino] thiazol-4-yl]methyl]sulphanyl]-N’-sulphamoyl propanimidamide
    Mol. Formula : C8H15N7O2S3
    Mol. Weight : 337.5 g/mol
    • Famotidine EP Impurity A: (USP RC A – HCl Salt)
      Code : VF100001
      Chemical name : 3-[[[2-[(diaminomethylene)amino] thiazol-4-yl]methyl]sulphanyl]propanimidamide * Hydrochloride Salt
    • Famotidine EP Impurity B (USP RC B)
      Code : VF100002
      Chemical name : 3,5-bis[2-[[[2-[(diaminomethylene) amino]thiazol-4-yl]methyl]sulphanyl]ethyl]-4H-1,2,4,6-thiatriazine 1,1-dioxide
    • Famotidine EP Impurity C: (USP RC C)
      Code : VF100003
      Chemical name : 3-[[[2-[(diaminomethylene)amino] thiazol-4-yl]methyl]sulphanyl]-N-sulphamoyl propanamide * Hydrochloride Salt
    • Famotidine EP Impurity D: (USP RC D)
      Code : VF100004
      Chemical name : 3-[[[2-[(diaminomethylene)amino] thiazol-4-yl]methyl]sulphanyl]propanamide
    • Famotidine EP Impurity E: (USP RC E)
      Code : VF100005
      Chemical name : 2,2’-[disulphanediylbis (methylenethiazole-4,2-diyl)]diguanidine
    • Famotidine EP Impurity F: (Famotidine Acid Impurity )
      Code : VF100006
      Chemical name : 3-[[[2-[(diaminomethylene)amino] thiazol-4-yl]methyl]sulphanyl]propanoic acid
    • Famotidine EP Impurity G: (N-Desaminosulfonyl-N-cyano Famotidine)
      Code : VF100007
      Chemical name : N-cyano-3-[[[2-[(diaminomethylene) amino]thiazol-4-yl]methyl]sulphanyl]propanimidamide,
    • Famotidine EP Impurity I: (Sulfoxide)
      Code : VF100008
      Chemical name : 3-[({2-[(diaminomethylidene)amino]-1,3-thiazol-4-yl}methyl)sulfinyl]-N-sulfamoyl propanamide,
    • Famotidine EP Impurity J: (Methyl Ester Propionate)
      Code : VF100009
      Chemical name : Methyl 3-[({2-[(diaminomethylidene) amino]-1,3-thiazol-4-l}methyl)sulfanyl] propanimidoate
    • Famotidine Acid Impurity Methyl Ester (HCl Salt)
      Code : VF100010
      Chemical name : Famotidine Acid Methyl Ester Hydrochloride Salt (3-[[[2-[(Aminoiminomethyl)amino]-4-thiazolyl]methyl]thio]-propanoic Acid Methyl Ester Hydrochloride)
    • Famotidine Acid Impurity Methyl Ester Acetic Acid Salt
      Code : VF100011
      Chemical name : 3-[[[2-[(Aminoiminomethyl)amino]-4-thiazolyl]methyl]thio]-propanoic Acid Methyl Ester Acetic Acid
    • Famotidine Impurity H
      Code : VF100012
      Chemical name : 3-[[[2-[(diaminoiminomethylene) amino]-thiazol-4-yl]methyl]isothiourea, dihydrochloride
  • Febuxostat
    Chemical name : 2-[3-Cyano-4-(2-methylpropoxy)phenyl]-4-methyl-5-thiazolecarboxylic Acid
    Mol. Formula : C16H16N2O3S
    Mol. Weight : 316.37 g/mol
    • Febuxostat d7
      Code : VF180001
      Chemical name : 2-[3-Cyano-4-(2-methylpropoxyphenyl]-4-methyl-5-thiazolecarboxylic Acid-d7
    • Febuxostat Impurity 1
      Code : VF180003
      Chemical name : ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methyl thiazole-5-carboxylate
    • Febuxostat Bromo impurity
      Code : VF180005
      Chemical name : 2-(3-bromo-4-isobutoxyphenyl)-4-methylthiazole-5-carboxylic acid
    • Febuxostat d9
      Code : VF180013
      Chemical name : 2-[3-Cyano-4-(2-methylpropoxy-d9)phenyl]-4-methyl-5-thiazolecarboxylic Acid.
    • Febuxostat Diacid impurity
      Code : VF180014
      Chemical name : 2-[3-carboxy-4-(2-methylpropoxy)phenyl]-4-methyl-5-thiazolecarboxylic
    • Febuxostat Amide Impurity
      Code : VF180015
      Chemical name : 2-[3-carbamoyl-4-(2-methylpropoxy)phenyl]-4-methyl-1,3-thiazole-5-carboxylic acid
  • Felbinac
    Chemical name : (Biphenyl-4-yl)acetic acid
    Mol. Formula : C14H12O2
    Mol. Weight : 212.2 g/mol
    • Felbinac Impurity-A (EP/BP)
      Code : VF010001
      Chemical name : 4-acetyl biphenyl
    • Felbinac Impurity-B (EP/BP)
      Code : VF010002
      Chemical name : biphenyl
  • Felodipine
    Chemical name : Ethyl methyl (4RS)-4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
    Mol. Formula : C18H19Cl2NO4
    Mol. Weight : 384.3 g/mol
    • Felodipine EP Impurity A: (USP RC A)
      Code : VF110001
      Chemical name : Ethyl methyl 4-(2,3-dichlorophenyl)-2,6-dimethylpyridine-3,5-dicarboxylate
    • Felodipine EP Impurity B: (O-Desmethyl Felodipine)
      Code : VF110002
      Chemical name : dimethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate
    • Felodipine EP Impurity C: (Nemadipine B)
      Code : VF110003
      Chemical name : diethyl 4-(2,3-dichlorophenyl)-2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate.
    • Felodipine D5
      Code : VF110007
      Chemical name : (4S)-4-(2,3-Dichlorophenyl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinedicarboxylic Acid 3-Ethyl-d5 5-Methyl Ester
  • Fenofibrate
    Chemical name : propan-2-yl 2-{4-[(4-chlorophenyl)carbonyl]phenoxy}-2-methylpropanoate
    Mol. Formula : C20H21ClO4
    Mol. Weight : 360.831 g/mol
    • Fenofibrate Ethyl Ester Impurity: (Fenofibrate EP Imp E)
      Code : VF090001
      Chemical name : ethyl 2-[4-(4-chlorobenzoyl)phenoxy]-2-methylpropanoate
    • Fenofibrate Methyl Ester Impurity- : (Fenofibrate EP Imp D)
      Code : VF090002
      Chemical name : Methyl 2-[4-(4-chlorobenzoyl)phenoxy]-2-methylpropanoate
    • Fenofibric Acid Impurity – B (BP/EP): (Fenofibrate EP Imp B) (USP RC B)
      Code : VF090003
      Chemical name : 2-{4-[(4-chlorophenyl)carbonyl] phenoxy}-2-methylpropanoic acid
    • Fenofibrate EP Impurity A (USP RC A)
      Code : VF090007
      Chemical name : (4-chlorophenyl)(4-hydroxyphenyl)methanone
    • Fenofibrate EP Impurity C
      Code : VF090005
      Chemical name : (3RS)-3-[4-(4-Chloro benzoyl) phenoxy]butan-2-one
    • Fenofibrate EP Impurity F
      Code : VF090004
      Chemical name : (4-Chlorophenyl)[4-(1-methylethoxy)phenyl]methanone
    • Fenofibric d6 Acid
      Code : VF090006
      Chemical name : Fenofibric-d6 Acid (dimethyl-d6)
    • Fenofibrate EP G (USP RC C)
      Code : VF090008
      Chemical name : (1-methylethyl 2-[[2-[4-(4-chlorobenzoyl) phenoxy]-2-methylpropanoyl]oxy]-2-methylpropanoate)
    • Fenofibrate Intermediate (Isopropyl 2-bromo-2-methylpropanoate)
      Code : VF090009
      Chemical name : 2-Bromo-2-Methylpropanoic Acid Isopropyl Ester;
    • 4-chloro-4-methoxybenzophenone
      Code : VF090012
      Chemical name : 4-(4-Chlorobenzoyl)phenylmethyl ether
  • Fentanyl
    Chemical name : N-(1-(2-phenylethyl)-4-piperidinyl)-N-phenylpropanamide
    Mol. Formula : C22H28N2O
    Mol. Weight : 336.471 g/mol
    • Dimethyl-3,3’-[(2-phenylethyl)imino]dipropanoate
      Code : VF200003
    • Norcarfentanil
      Code : VF200004
      Chemical name : 4-[(1-Oxopropyl)phenylamino]-4-piperidinecarboxylic acid methyl ester
    • REMIFENTANIL IMPURITY
      Code : VF200005
      Chemical name : 4-(Methoxycarbonyl)-4-[(1-oxopropyl)phenylamino]-1-piperidinepropanoic acid
  • Ferrous Ascorbate
    Chemical name : (+)-Iron(II) L-ascorbate
    Mol. Formula : C12H14FeO12
    Mol. Weight : 406.077 g/mol
  • Fesoterodine
    Chemical name : [2-[(1R)-3-(Di(propan-2-yl)amino)-1-phenylpropyl]-4-(hydroxymethyl)phenyl] 2-methylpropanoate
    Mol. Formula : C26H37NO3
    Mol. Weight : 411.28 g/mol
    • Fesoterodine Fumarate
      Code : VF120000A
      Chemical name : 2-Methylpropanoic Acid 2-[(1R)-3-[Bis(1-methylethyl)amino]-1-phenylpropyl] -4-(hydroxymethyl)phenyl Ester (2E)-2-Butenedioate
    • Fesoterodine Impurity A: (rac 5-Hydroxymethyl Tolterodine)
      Code : VF120001
      Chemical name : 3-[3-[Bis(1-methylethyl)amino]-1-phenylpropyl]-4-hydroxybenzenemethanol
    • Fesoterodine Impurity B: (Diester Impurity) (O-Isobutyryl (R) Fesoterodine)
      Code : VF120002
      Chemical name : R-(+)-[3-[3-(Diisopropylamino)-1-phenyl-propyl]-4-(2-methylpropanoyloxy) phenyl] methyl 2-methyl propanoate (O-Isobutyryl (R)-Fesoterodine)
    • Fesoterodine Impurity C: (Deoxy Fesoterodine)
      Code : VF120003
      Chemical name : R-(+)-[2-[3-(Diisopropylamino)-1-phenyl-propyl]-4-methyl-phenyl]-2-methyl propanoate
    • Fesoterodine Impurity D: (Acid Impurity)
      Code : VF120004
      Chemical name : 3-[(3-(Diisopropylamino)-1-phenyl-propyl]-4-(2-Methylpropanoloxy) benzoic acid
    • Fesoterodine Impurity E: (Aldehyde Impurity)
      Code : VF120005
      Chemical name : R-(+)-2-(3-(Diisopropylamino)-1-phenylpropyl)-4-formyl-phenylisobutyrate hydrogen fumarate
    • Fesoterodine Impurity G: (Ester Impurity)
      Code : VF120006
      Chemical name : (2E)-4-[(3-(3-Diisopropylamino-1-phenylpropyl)-4-(2-isobutyroxyphenyl)methoxy] 4-oxobut-2-enoic acid
    • Fesoterodine Impurity H: (RS Isomer Mixture)
      Code : VF120007
      Chemical name : (RS)-2-(3-Diisopropylamino-1-phenylpropyl)-4-hydroxymethyl phenol isobutyrate
  • Fexofenadine Hydrochloride
    Chemical name : 2-[4-[(1RS)-1-hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2- methylpropanoic acid hydrochloride
    Mol. Formula : C32H39NO4
    Mol. Weight : 501.66 g/mol
    • Fexofenadine Impurity-A (EP/BP):(USP RCA)
      Code : VF020001
      Chemical name : 2-[4-[4-[4-(hydroxydiphenyl methyl) piperidin-1-yl]butanoyl]phenyl]-2-methyl propanoic acid
    • Fexofenadine Impurity-B (EP/BP): (USP RC B) (meta Fexofenadine)
      Code : VF020002
      Chemical name : 2-[3-[(1RS)-1-hydroxy-4-[4-(hydroxyl diphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methyl propanoic acid
    • Fexofenadine Impurity-C (EP/BP): (USP RC C) (Decarboxy Fexofenadine)
      Code : VF020003
      Chemical name : (1RS)-4-[4-(hydroxydiphenylmethyl) piperidin-1-yl]-1-[4-(1-methylethyl)phenyl]butan-1-ol
    • Fexofenadine Impurity-D (EP/BP)
      Code : VF020004
      Chemical name : methyl 2-[4-[(1RS)-1-hydroxy-4-[4-(hydroxydiphenylmethyl)piperidin-1-yl]butyl]phenyl]-2-methylpropanoate
    • Fexofenadine EP Impurity-E : (Azacyclonol)
      Code : VF020005
      Chemical name : diphenyl(piperidin-4-yl)methanol
    • Fexofenadine Impurity-F (EP/BP)
      Code : VF020006
      Chemical name : 2-[4-[1-hydroxy-4-[4-(hydroxydiphenyl methyl)piperidin-1-yl]butyl]phenyl]propanoic acid
    • Fexofenadine EP Impurity-G
      Code : VF020007
      Chemical name : 2-[4-[(1RS)-4-[4-(Diphenylmethylene)-1-piperidinyl]-1-hydroxybutyl]-2-methylpropionic acid
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