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

  • Cyclosporine
    Chemical name : (E)-14,17,26,32-tetrabutyl-5-ethyl-8-(1-hydroxy-2-methylhex-4-enyl) -,3,9,12,15,18,20,23,27 -nonamethyl-11,29-dipropyl-1,3,6,9,12,15,18,21,24, 27,30- undecaazacyclodotriacontan-,4,7,10,13,16,19,22, 25,28,31-undecaone
    Mol. Formula : C62H111N11O12
    Mol. Weight : 1202.61 g/mol
    • Cyclosporine Impurity-A
      Code : VC090001
      Chemical name : {R-[R * ,R*-(E)]}-cyclic-(L-alanyl-D-alanyl-N-methyl -L -leucyl-N-methyl-L-leucyl-Nmethyl-L-valyl-3-hydroxy-N,4-dimethyl-L-2-amino-6-octenoyl-L- α -amino-butyric-N-methyl-glycinyl-N-methylL-leucyl-L-valyl-N-methyl-leucyl)
    • Cyclosporine Impurity-B
      Code : VC090002
      Chemical name : Cyclo[L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-3-hydroxy-N,4-dimethyl-L-2-amino-6-octenoyl-L-alanyl-N-methylglycyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl]
    • Cyclosporine Impurity-C
      Code : VC090003
      Chemical name : Cyclo[L-alanyl-D-alanyl-N-methyl-L- leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-3-hydroxy-N,4-dimethyl-L-2-amino-6-octenoyl-L-threonyl-N-methylglycyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl]
    • Cyclosporine Impurity-D
      Code : VC090004
      Chemical name : Cyclo[L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valyl-3-hydroxy-N,4-dimethyl-L-2-amino-6-octenoyl-L-valyl-N-methylglycyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl]
    • Cyclosporine Impurity-H
      Code : VC090005
      Chemical name : Cyclo[L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-D-valyl-3-hydroxy-N,4-dimethyl-L-2-amino-6-octenoyl-L-2-aminobutanoyl-N-methylglycyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl]
    • Iso Cyclosporin A
      Code : VC090006
      Chemical name : (2S,3R,4R,6E)-3-Hydroxy-4-methyl-2-(methylamino)-6-octenoyl-(2S)-2-aminobutanoyl-N-methylglycyl-N-methyl-L-leucyl-L-valyl-N-methyl-L-leucyl-L-alanyl-D-alanyl-N-methyl-L-leucyl-N-methyl-L-leucyl-N-methyl-L-valine (111)-Lactone
    • Dihydro Cyclosporin A
      Code : VC090007
      Chemical name : 6-[(2S,3R,4R)-3-Hydroxy-4-methyl-2-(methylamino)octanoic acid]cyclosporin A
  • Clotrimazole
    Chemical name : 1-[(2-Chlorophenyl)diphenylmethyl]-1H-imidazole
    Mol. Formula : C22H17CIN2
    Mol. Weight : 344.83 g/mol
    • Clotrimazole EP Impurity-A(USP RC A):(2-Chlorotritanol)
      Code : VC080001
      Chemical name : (2-chlorophenyl)diphenylmethanol
    • Clotrimazole Impurity-B (EP)
      Code : VC080002
      Chemical name : 1-[(4-chlorophenyl)diphenylmethyl]-1H-imidazole
    • Clotrimazole Impurity-C (EP)
      Code : VC080003
      Chemical name : 1-chloro-2-(chlorodiphenylmethyl) benzene
    • Clotrimazole Impurity-D (EP)
      Code : VC080004
      Chemical name : Imidazole
    • Clotrimazole Impurity – E (EP)
      Code : VC080005
      Chemical name : (2-chlorophenyl)phenylmethanone (2-chlorobenzophenone)
    • Clotrimazole Impurity-F(EP)
      Code : VC080006
      Chemical name : 1-(triphenylmethyl)-1H-imidazole (deschloroclotrimazole)
    • Clotrimazole Impurity
      Code : VC080007
      Chemical name : -(2-chlorophenyl)trichloromethane
    • Clotrimazole Impurity
      Code : VC080008
      Chemical name : -(2-chlorophenyl)diphenyl methylethylether:
    • Clotrimazole Impurity
      Code : VC080009
      Chemical name : -1-[(2-chlorophenyl)diphenylmethyl]-1H-pyrazole
    • Clotrimazole Impurity
      Code : VC080010
      Chemical name : 1-Chloro-2-(dichlorophenylmethyl) benzene
    • Clotrimazole Impurity
      Code : VC080011
      Chemical name : (2-chlorophenyl)diphenylmethane
  • Clopidogrel Bisulphate
    Chemical name : Methyl (2S)-(2-chlorophenyl)[6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl] acetate sulfate
    Mol. Formula : C16H18ClNO6S2
    Mol. Weight : 419.90 g/mol
    • Clopidogrel EP Impurity-A: (USP RC A) (Clopidogrel Carboxylic Acid)
      Code : VC070001
      Chemical name : (2S)-(2-chlorophenyl)[6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl]acetic acid,
    • Clopidogrel EP Impurity-B
      Code : VC070002
      Chemical name : methyl (2S)-(2-chlorophenyl)[4,7-dihydrothieno[2,3-c]pyridin-6(5H)-yl]acetate
    • Clopidogrel EP Impurity-C: (USP RC C)
      Code : VC070003
      Chemical name : Methyl (-)-(R)-(o-chlorophenyl)-6,7- dihydrothieno[3,2-c]pyridine-5(4H)-acetate (Clopidogrel Bisulphate R- Isomer)
    • Clopidogrel Thienylethyl Impurity
      Code : VC070004
      Chemical name : (S)-2-Chloro-alpha-[[2-(2-thienyl) ethyl]amino]benzene acetic acid methyl ester HCl
    • Clopidogrel Thieno Impurity
      Code : VC070005
      Chemical name : 4,5,6,7-Tetrahydrothieno[3,2-c] pyridine hydrochloride:
    • Clopidogrel Impurity D: (In house)
      Code : VC070006
    • Rac-Clopidogrel-d4 Hydrogen Sulfate
      Code : VC070007
      Chemical name : α-(2-Chlorophenyl-d4)-6,7-dihydro-thieno[3,2-c]pyridine-5(4H)-acetic Acid Methyl Ester Sulfate
    • Clopidogrel-d4 Carboxylic Acid
      Code : VC070008
      Chemical name : 2-Chlorophenyl-d4)-6,7-dihydro thieno[3,2-c]pyridine-5(4H)-acetic Acid
    • Clopidogrel Related Compound - B
      Code : VC070009
      Chemical name : (Methyl(+/-)-(o-chlorophenyl)-4,5-dihydrothieno[2,3-c]pyridine-6(7H)-acetate, hydrochloride)
    • Clopidogrel-d3
      Code : VC070012
      Chemical name : Clopidogrel-D3 Hydrogensulfate
  • Citalopram Hydrobromide
    Chemical name : (RS)-1-[3-(dimethylamino)propyl]-1- (4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbonitrile, hydrobromide
    Mol. Formula : C20H22BrFN2O
    Mol. Weight : 324.39 g/mol
    • Citalopram EP Imp – A (USP RC A)
      Code : VC060001
      Chemical name : (1RS)-1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxamide (Citalopram Amide)
    • Citalopram EP Imp B (USP RC B)
      Code : VC060002
      Chemical name : 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-3-hydroxy-1,3-dihydroisobenzofuran-5-carbonitrile (3-Hydroxy Citalopram)
    • Citalopram EP Imp C (USP RC C)
      Code : VC060003
      Chemical name : 3-(3-N,N-Dimethylamino)-1-(4-fluorophenyl)-6-cyano-1(3H)-isobenzofuranone (3-Oxo Citalopram)
    • Citalopram EP Imp D (USP RC D)
      Code : VC060004
      Chemical name : 1-(4-fluorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzofuran-5-carbonitrile (N-Desmethyl Citalopram )
    • Citalopram EP Imp E (USP RC E)
      Code : VC060005
      Chemical name : (1-(3-dimethylaminopropyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carbonitrile-N-oxide (Citalopram N-Oxide)
    • Citalopram Impurity -F(EP)
      Code : VC060006
      Chemical name : Bromo Citalopram
    • Citalopram EP Impurity G
      Code : VC060009
      Chemical name : 4-(Dimethylamino)-1-[(1R)-1-[3- (dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-2- benzofuran-5-yl]butan-1-one
    • N,N-Didesmethyl Citalopram
      Code : VC060007
      Chemical name : 1-(3-Aminopropyl)-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofurancarbonitrile
    • Citalopram Dihydroxy Impurity
      Code : VC060008
    • Citalopram R -Isomer
      Code : VC060010
      Chemical name : (R)-(-)-1-[3-(Dimethylamino)propyl]-1-(p-fluorophenyl)-5-phthalan carbonitrile oxalate
    • Citalopram Oxalate
      Code : VC060011
      Chemical name : S-(+)-1[3-(dimethyl-amino)propyl]-1-(p-fluorophenyl)-5-phthalancarbonitrile oxalate
    • Desfluoro Citalopram Oxalate
      Code : VC060012
      Chemical name : 1-(3-Dimethylaminopropyl)-1-(phenyl)-5-phthalan-carbonitrile oxalate
    • Citalopram USP related compound G
      Code : VC060014
    • Citalopram Intermediate (3-chloro-N,N,2-trimethylpropan-1-amine)
      Code : VC060015
      Chemical name : 1-Chloro-2-methyl-3-(dimethylamino)propane
    • (S)-Citalopram-d6 Oxalate
      Code : VC060017
      Chemical name : (1S)-1-[3-(Dimethylamino-d6)propyl]-1-(4-fluorophenyl)-1,3-dihydro -5-isobenzo furancarbonitrile Oxalate
    • Citalopram USP RC F
      Code : VC060018
      Chemical name : (dimethyl-(1-methyl-3,3-diphenyl-allyl)-amine hydrochloride)
    • Citalopram Carboxylic Acid Impurity
      Code : VC060020
      Chemical name : 1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxylic acid
    • Citalopram-d4 HBr
      Code : VC060022
      Chemical name : 1-[3-(Dimethylamino)propyl]-1-(4-fluorophenyl-d4) -1,3-dihydro-5-isobenzofurancarbonitrile Monohydrobromide
  • Ciprofloxacin
    Chemical name : 1-Cyclopropyl-6-fluoro-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid
    Mol. Formula : C17H18FN3O3
    Mol. Weight : 331.34 g/mol
    • Ciprofloxacin EP Impurity A: (Fluoroquinolonic acid)
      Code : VC050001
      Chemical name : 7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid
    • Ciprofloxacin EP Impurity B: (Desfluoro compound)
      Code : VC050002
      Chemical name : 1-cyclopropyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid
    • Ciprofloxacin Impurity C(EP): (Ethylenediamine compound)
      Code : VC050003
      Chemical name : 7-[(2-aminoethyl)amino]-1-cyclopropyl-6-fluoro-4-oxo-1,4-Dihydroquinoline -3-carboxylic acid * Hydrochloride Salt
    • Ciprofloxacin Impurity D(EP)( USP RC A)
      Code : VC050004
      Chemical name : 7-chloro-1-cyclopropyl-4-oxo-6-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid.
    • Ciprofloxacin Impurity E(EP): (Decarboxy Ciprofloxacin)
      Code : VC050005
      Chemical name : 1-cyclopropyl-6-fluoro-7-(piperazin-1-yl)quinolin-4(1H)-one
    • Ciprofloxacin Impurity-F(EP): (6-Hydroxy-6-defluoro Ciprofloxacin)
      Code : VC050006
      Chemical name : 1-cyclopropyl-6-hydroxy-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3- carboxylic acid
    • Formyl Ciprofloxacin
      Code : VC050007
      Chemical name : 1-cyclopropyl-6-hydroxy-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3- carboxylic acid
    • Ciprofloxacin-d8 Hydrochloride
      Code : VC050008
      Chemical name : 1-Cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(1-piperazinyl-d8)-3-quinoline carboxylic Acid Hydrochloride
    • Ciprofloxacin Ethyl Ester
      Code : VC050009
      Chemical name : ethyl 1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-7-(piperazin-1-yl)quinoline-3-carboxylate
    • Ciprofloxacin intermediate -1
      Code : VC050010
      Chemical name : 1-Cyclopropyl-1,4-dihydro-6,7-difluoro-4-oxoquinoline-3-carboxylic acid
    • Ciprofloxacin intermediate -2
      Code : VC050011
      Chemical name : ethyl (E)-3-(dimethylamino)prop-2-enoate
    • 6-Chloro-1-cyclopropyl-4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid
      Code : VC050014
      Chemical name : 1-cyclopropyl-6-Chloro -4-oxo-7-(piperazin-1-yl)-1,4-dihydroquinoline-3-carboxylic acid; Ciprofloxacin chloro analog impurity
  • Chlorothiazide
    Chemical name : 6-chloro-1,1-dioxo-2H-1,2,4-benzothiadiazine-7-sulfonamide
    Mol. Formula : C7H6ClN3O4S2
    Mol. Weight : 295.72 g/mol
    • Benzothiadiazine Related Compound -A
      Code : VC040001
      Chemical name : 4-amino-6-chloro-1,3-benzene disulfonamide
  • Celecoxib
    Chemical name : 4-[5-(4-Methylphenyl)-3-trifluoromethyl)-1H-pyrazol-yl]benzenesulfonamide
    Mol. Formula : C17H14F3N3O2S
    Mol. Weight : 381.37g/mol
    • Celecoxib Impurity EP A ( USP RC A )
      Code : VC030003
      Chemical name : (4-[5-(3-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide)
    • Celecoxib Impurity-: (USP RC B)(EP B)
      Code : VC030001
      Chemical name : 4-[3-(4-methylphenyl)-5-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide
    • Celecoxib Impurity-E(BP/EP)
      Code : VC030005
      Chemical name : 4-hydrazinylbenzenesulfonamide
    • Celecoxib Impurity-F
      Code : VC030006
      Chemical name : 4-{(2E)-2-[1-(4-methylphenyl) ethylidene]hydrazinyl}benzenesulfonamide
    • Celecoxib Impurity-G
      Code : VC030007
      Chemical name : 4,4,4-trifluoro-1-(4-methylphenyl) butane-1,3-dione
    • Celecoxib Impurity-B
      Code : VC030002
      Chemical name : 4-{(2E)-2-[1-(3-methylphenyl) ethylidene]hydrazinyl}benzenesulfonamide
    • Celecoxib Impurity-D
      Code : VC030004
      Chemical name : 4-[5-(2-methylphenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl]benzenesulfonamide
    • HYDRAZINE IMPURITY
      Code : VC030009
      Chemical name : 4-Sulfonamidophenylhydrazine Hydrochloride
    • Cetirizine Glycerol ester Impurity
      Code : VC100015
      Chemical name : 2,3-dihydroxypropyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate dihyrochloride
    • Cetirizine Glycerol ester Impurity
      Code : VC100015A
      Chemical name : 2,3-dihydroxypropyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate
    • Cetirizine Propanediol Ester Impurity (propylene glycol ester of Cetirizine
      Code : VC100018
      Chemical name : 2-Hydroxypropyl 2-(2-{4-[(4-chlorophenyl)phenylmethyl]piperazin-1-yl}ethoxy) acetate
    • Cetirizine d8
      Code : VC100019
      Chemical name : (±)-[2-[4-[(4-chlorophenyl)phenylmethyl]-1- piperazinyl]ethoxy]acetic acid hydrochloride-d8
    • Levocetirizine benzene sulfonyl Impurity
      Code : VC100021
      Chemical name : 1-((4-chlorophenyl)(phenyl)methyl)-4-(phenylsulfonyl)piperazine hydrochloride
    • (R ) - (-)Cetirizine-d4 DiHCL
      Code : VC100022
      Chemical name : 2-[2-[4-[(R)-(4-Chlorophenyl)phenylmethyl]-1-piperazinyl]ethoxy-d4]acetic Acid Dihydrochloride
    • Cetirizine 2-chloro Impurity
      Code : VC100023
      Chemical name : 1-((2-chlorophenyl)(phenyl)methyl)piperazine hydrochloride
  • Carvedilol
    Chemical name : (2RS)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-methoxyphenoxy)ethyl]amino]propan-2-ol.
    Mol. Formula : C24H26N2O4
    Mol. Weight : 406.47 g/mol
    • Carvedilol Impurity A(EP): (USP RC A)
      Code : VC020001
      Chemical name : 1-[[9-[2-hydroxy-3-[[2-(2-methoxyphenoxy)ethyl]amino]propyl]-9H-carbazol-4-yl]oxy]-3-[[2- (2-methoxyphenoxy)ethyl]amino]propan-2-ol,
    • Carvedilol Impurity-B(EP): (USP RC B (CarvidilolBis – Carbezol)
      Code : VC020002
      Chemical name : 1,1’-[[2-(2-methoxyphenoxy)ethyl] nitrilo]bis[3-(9H-carbazol-4-yloxy)propan-2-ol],
    • Carvedilol Impurity C(EP)(USP RC C) (N-Benzyl – Carvedilol)
      Code : VC020003
      Chemical name : (2RS)-1-[benzyl[2-(2-methoxyphenoxy)ethyl]amino]-3-(9H-carbazol-4-yloxy)propan-2-ol.
    • Carvedilol Impurity-D: (USP RC D)
      Code : VC020004
      Chemical name : 4-(Oxiran-2-ylmethoxy)-9H-carbazole
    • Carvedilol Impurity-E: (USP RC E)
      Code : VC020005
      Chemical name : 2-(2-Methoxyphenoxy)ethyl amine.
    • Carvedilol R-Isomer
      Code : VC020006
      Chemical name : (2R)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-methoxyphenoxy)ethyl]amino]propan-2-ol.
    • Carvedilol S-Isomer
      Code : VC020007
      Chemical name : (2S)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-methoxyphenoxy)ethyl]amino]propan-2-ol.
    • Carvedilol impurity-G
      Code : VC020009
      Chemical name : 1-[Carbazolyl-(4)-oxy]-3-[N-acetyl-2-(2-methoxyphenoxy)- ethylamino]-propane-2-ol
    • Carvedilol-d4
      Code : VC020013
      Chemical name : (2RS)-1-(9H-Carbazol-4-yloxy)-3-[[2-(2-methoxyphenoxy)ethyl]amino]propanol-d4
    • 4-Hydroxy carbazole (Carvedilol Intermediate)
      Code : VC020015
      Chemical name : 9H-Carbazol-4-ol
  • Carbamazepine
    Chemical name : 5H-dibenzo[b,f]azepine-5-carboxamide
    Mol. Formula : C15H12N2O
    Mol. Weight : 236.3 g/mol
    • Carbamazepine EP Impurity-A: (10,11- Dihydrocarbamazepine) (USP RC A)
      Code : VC010001
      Chemical name : 10,11-dihydro-5H-dibenzo[b,f]azepine-5-carboxamide
    • Carbamazepine EP Impurity-B
      Code : VC010002
      Chemical name : 9-methylacridine,
    • Carbamazepine EP Impurity-C: (N Carbamoyl carbamazepine)
      Code : VC010003
      Chemical name : (5H-dibenzo[b,f]azepin-5-ylcarbonyl)urea
    • Carbamazepine EP Impurity-D: (USP RC B) (Iminostilbene)
      Code : VC010004
      Chemical name : 5H-dibenzo[b,f]azepine
    • Carbamazepine EP Impurity-E: (Iminodibenzyl)
      Code : VC010005
      Chemical name : 10,11-dihydro-5H-dibenzo[b,f]azepine
    • Carbamazepine EP Impurity-F:(5-chlorocarbonyliminostilbene)
      Code : VC010006
      Chemical name : 5H-dibenzo[b,f]azepine-5-carbonyl chloride
    • Carbamazepine D10
      Code : VC010007
      Chemical name : 5H-dibenz[b,f]azepine-d10-5-carboxamide
    • Acridine
      Code : VC010010
      Chemical name : 10-Azaanthracene
    • Carbamazepine-10, 11-epoxide-d10
      Code : VC010012
      Chemical name : Carbamazepine-10,11-epoxide-d10
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