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Levofloxacin

Chemical name : (S)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid hemihydrate

Mol. Formula : C18H20FN3O4.1/2H2O

Mol. Weight : 370.37

Montelukast (Acid)

Code : VM050001

Chemical name : (S,E)-2-(1-((1-(3-(2-(7-chloro quinolin-2-yl)vinyl)phenyl)-3-(2-(2-hydroxypropan-2-yl)phenyl) propylthio)methyl)cyclopropyl)acetic acid
Montelukast Mercapto Impurity

Code : VM050002

Chemical name : 3-(Mercaptomethyl)cyclopropane acetic acid
Montelukast Sulfoxide Impurity-A:(EP Impurity C/USP 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 B: (Montelukast Hydroxy Impurity)

Code : VM050003

Chemical name : 2-[3-(S)-[3-(2-(7-Chloro-2-quinolinyl) ethenyl)phenyl]-3-hydroxypropyl]phenyl-2-propanol
Montelukast Imp C (Methyl styrene Impurity)(EP Imp B, USP RC F)

Code : VM050008

Chemical name : 2-[1-[[(1R)-1-[3-[(E)-2-(7-chloro-2-quinolyl)vinyl]phenyl]-3-(2-isopropenylphenyl) propyl]sulfanylmethyl]cyclopropyl]acetic acid
Montelukast Impurity E(Michael Adduct mixture of Distereoisomers)

Code : VM050017

Chemical name : 1-[[[(1R)-1-[3-[(1R)-1-[[[1-(Carboxy methyl)cyclopropyl]methyl]thio]-2-(7-chloro-2-quino linyl) ethyl]phenyl]-3-[2-(1-hydroxy-1-methyl ethyl) phenyl]propyl]thio]methyl]cyclopropaneacetic Acid
Montelukast Imp F (Montelukast Methylketone Impurity)(EP Impurity F, USP e)

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 Imp G (cis Montelukast)

Code : VM050010

Chemical name : [R)]-1-[3-[(1Z)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid
Montelukast Imp G (Racemic Montelukast)

Code : VM050010A

Chemical name : [RS-(E)]-1-[3-[(1Z)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid
Montelukast EP Impurirty I

Code : VM050020

Chemical name : [1-[1-[[[(1R)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methylethyl)phenyl]propyl]thio]methyl]cyclopropyl](hydroxy)acetic Acid
Montelukast 3-Oxo Impurity

Code : VM050004

Chemical name : 2-[3-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-oxopropyl]benzoic Acid Methyl Ester
Montelukast 3-Hydroxy Impurity

Code : VM050006

Chemical name : Methyl [E]-2-[3-(S)-[3-[2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-hydroxypropyl] benzoate
Montelukast Disulfide Impurity

Code : VM050009

Chemical name : 1-[1-Carboxymethyl-cyclopropyl methyl disulfanylmethyl) cyclopropyl] acetic acid
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]cyclopropaneacetic acid sodium salt
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 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 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 Ester Impurity

Code : VM050016

Chemical name : 2-[1-[1-[3-[2-(7-chloroquinolin-2-yl)ethenyl]phenyl]-3-[2-(methoxycarbonyl)phenyl]propylsulfanyl methyl]cyclopropyl]acetic acid
ent-Montelukast Sodium

Code : VM050018

Chemical name : 1-[[[(1S)-1-[3-[(1E)-2-(7-Chloro-2-quinolinyl)ethenyl]phenyl]-3-[2-(1-hydroxy-1-methyl ethyl)phenyl]propyl]thio]methyl]cyclopropaneacetic Acid Sodium Salt
Montelukast Sodium D6 salt

Code : VM050021

Chemical name : montelukast-d6, sodium salt
Montelukast acid impurity (Disodium Salt)

Code : VM050022

Chemical name : 2((3R)-3-({[1-(carboxylatomethyl)cyclopropyl]methyl} thio)-3-{3-[(E)-2-(7-Chloroquinolin-2-yl)vinyl]phenyl}propyl)benzoated disodium salt.
Montelukast Chloro alcohol Impurity

Code : VM050023

Chemical name : 2-[2-[3S-[3(E)-[2-(7-Chloroquinoline-2-yl) ethenyl]phenyl]-3-chloropropyl]phenyl]- 2-propanol.
N-Desmethyl Levofloxacin

Code : VL050001

Chemical name : (S)-9-fluoro-2,3-dihydro-3-methyl-10-(piperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Levofloxacin N-Oxide Impurity

Code : VL050002

Chemical name : (S)-4-(6-carboxy-9-Fluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido-[1,2,3-de][1,4]benzoxazine-10-yl)-1-mthyl-piperazine-1-oxide
Levofloxacin 9-Piperazine Isomer

Code : VL050003

Chemical name : (S)-9-Fluoro-2,3-dihydro-3-methyl-10-(piperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid
Levofloxacin Diamine Impurity

Code : VL050004

Chemical name : N,N-Didesethylene Levofloxacin Hydrochloride
9-Desfluoro Levofloxacin

Code : VL050005

Chemical name : (3S)-2,3-Dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid
Descarboxyl Levofloxacin Impurity

Code : VL050006

Chemical name : (3S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7H-pyrido[1,2,3-de]-1,4-benzoxazin-7-one
Levofloxacin USP B

Code : VL050007

Chemical name : 9,10-Difluoro-2,3-dihydro-3-methyl-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid
Dextro Isomer of Levofloxacin

Code : VL050008

Chemical name : (+)-(R)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid

Levocetirizine

Chemical name : 2-(2-{4-[(R)-(4-chlorophenyl)(phenyl)methyl]piperazin-1-yl}ethoxy)acetic acid

Mol. Formula : C21H25ClN2O3

Mol. Weight : 388.89

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 (4-epiminocycline)
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 (7-monodemethylminocycline)
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 (7-aminosancycline)
Levocetirizine Impurity A (EP)

Code : VL040001

Chemical name : (-)-1-((4-chlorophenyl)phenyl methyl)piperazine
Levocetirizine Impurity B (EP)

Code : VL040002

Chemical name : (-)-2-[4-[(4-chlorophenyl)-phenyl methyl] piperazine-1yl]acetic acid hydrochloride
Levocetirizine Impurity C (EP)

Code : VL040003

Chemical name : (RS)-2-[2-[4-[(2-chlorophenyl) phenylmethyl]piperazin-1-yl]ethoxy]acetic acid dihydrochloride
Levocetirizine Impurity D (EP)

Code : VL040004

Chemical name : Bis[(4-chloro phenyl) phenyl methyl]piperazine
Levocetirizine Impurity E (EP)

Code : VL040005

Chemical name : 2-[4-[(4-Chlorophenyl)phenyl methyl]-1-piperazinyl] ethoxy ethoxy acetic acid dihydrochloride
Levocetirizine Impurity F (EP)

Code : VL040006

Chemical name : (2-(4-(diphenylmethyl)piperazin-1-yl)ethoxy)aceticacid
Levocetirizine Impurity G (EP)

Code : VL040007

Chemical name : (2-(4-(diphenylmethyl)piperazin-1-yl)ethoxy)aceticacid
Levocetirizine Impurity I (EP)

Code : VL040008

Chemical name : (-) 2-[2-[4-[(4-chloro phenyl) phenyl methyl]-piperazin-1-yl]ethoxy acetate
Levocetirizine N-Oxide Impurity

Code : VL040009

Chemical name : 2-(2-{4-[(R)-(4-chlorophenyl) (phenyl) methyl]piperazin-1-yl}ethoxy)acetic acid n-oxide
Levocetirizine S-Isomer Impurity

Code : VL040010

Chemical name : 2-(2-{4-[(S)-(4-chlorophenyl) (phenyl)methyl]piperazin-1-yl}ethoxy)acetic acid dihydrochloride
Levocetirizine Impurity A (USP)

Code : VL040011

Chemical name : (-)2-[2-[4-[(4-chloro phenyl) phenyl methyl]-1-piperazinyl]ethoxy]acetic acid ethyl ester.
Levocetirizine Impurity 1

Code : VL040012

Chemical name : 4-chloro Benzhydrol
Levocetirizine Impurity 2

Code : VL040013

Chemical name : 1-[(R)-(4-chlorophenyl)(phenyl)methyl]piperazine
Levocetirizine Impurity 3

Code : VL040014

Chemical name : (+)-2-[2-[4-[(4-chloro phenyl) phenyl methyl]-piperazin-1-yl] ethoxy]acetic acid
Levocetirizine Amine Impurity

Code : VL040015

Chemical name : 1-(4chlorophenyl)1-phenyl methanimine
Levocetirizine Amide Impurity

Code : VL040016

Chemical name : 2-{2-[4-(4-chlorobenzyl)piperazin-1-yl]ethoxy}acetamide

Levetiracetam

Chemical name : (S)-2-(2-oxopyrrolidin-1-yl)butanamide

Mol. Formula : C8H14N2O2

Mol. Weight : 170.2

Levetiracetam Carboxylic Acid Impurity

Code : VL030001

Chemical name : 2-(2-oxopyrrolidin-1-yl)butanoic acid
Levetiracetam Impurity A

Code : VL030002

Chemical name : (S)-N-(1-amino-1-oxobutan-2-yl)-4-chlorobutanamide
Levetiracetam Impurity D

Code : VL030003

Chemical name : (2R)-2-(2-oxopyrrolidin-1-yl)butanamide
Levetiracetam Impurity 4

Code : VL030004

Chemical name : (2S)-2-(2-oxopyrrolidin-1-yl)butanoic acid

Lansoprazole (EP/BP)

Chemical name : 2-[(RS)-[[3-Methyl-4-(2,2,2-trifluoro ethoxy)pyridin-2-yl]methyl]sulphinyl]-1H-benzimidazole

Mol. Formula : C16H14F3N3O2S

Mol. Weight : 369.36

Lansoprazole Impurity Sulfone

Code : VL020001

Chemical name : 2-[[[3-methyl-4-(2,2,2-trifluoro ethoxy) pyridin-2-yl]methyl]sulphonyl]-1Hbenzimidazole
Lansoprazole Impurity N-Oxide

Code : VL020002

Chemical name : 2-[(RS)-[[3-methyl-1-oxido-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methyl]sulphinyl]-1H-benzimidazole
Lansoprazole Impurity Sulfone N-Oxide

Code : VL020003

Chemical name : 2-[[[3-Methyl-1-oxido-4-(2,2,2-trifluoroethoxy)-2-pyridinyl]methyl]sulfonyl]-1H-benzimidazole
Lansoprazole Impurity sodium

Code : VL020004

Chemical name : 2-[[3-Methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methylsulfinyl]-1H-benzoimidazole sodium salt
Lansoprazole Impurity Sulfide

Code : VL020005

Chemical name : 2-[[[3-methyl-4-(2,2,2-trifluoroethoxy) pyridin-2-yl]methyl]sulphanyl]-1Hbenzimidazole
Lansoprazole Impurity Sulfide N-Oxide

Code : VL020006

Chemical name : 2-[[[3-Methyl-4-(2,2,2-trifluoro ethoxy) -2-pyridinyl]methyl]thio]-1H-benzimidazole N-Oxide
Lansoprazole impurity intermediate-LS 1

Code : VL020007

Chemical name : 2-(Chloromethyl)-3-methyl-4-(2,2,2-trifluoroethoxy)pyridine hydrochloride
Lansoprazole Impurity-intermediate-LS 2

Code : VL020009

Chemical name : 2,3-dimethyl-4-nitropyridine-N-oxide

Lamotrigine

Chemical name : 6-(2,3-dichlorophenyl)-1,2,4-triazine-3,5-diamine

Mol. Formula : C9H7Cl2N5

Mol. Weight : 256.1

Lamotrigine Impurity A (EP)

Code : VL010001

Chemical name : (3-amino-6-(2,3-dichlorophenyl)-1,2,4-triazin-5(4H)-one)
Lamotrigine Impurity B (EP)

Code : VL010002

Chemical name : N-[5-Amino-6-(2, 3-dichlorophenyl)-1, 2, 4-triazin-3-yl]-2,3-dichloro benzamide
Lamotrigine Impurity C (EP)

Code : VL010003

Chemical name : 2-(2,3-dichlorophenyl)-2- (aminoguanidine)acetonitrile
Lamotrigine Impurity D (EP)

Code : VL010004

Chemical name : 6-(2,3-dichlorophenyl)-1,2,4- triazine-3,5(2H,4H)-dione
Lamotrigine Impurity E (EP)

Code : VL010005

Chemical name : 2,3-dichlorobenzoic acid
Lamotrigine Impurity F (EP)

Code : VL010006

Chemical name : N-[5-amino-6-(2,3-dichloro phenyl)-1,2,4-triazin-3-yl]-2,3-dichlorobenzamide
Lamotrigine Impurity G (EP)

Code : VL010007

Chemical name : (6-(2,4-dichlorophenyl)-1,2,4-triazine-3,5-diamine)

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

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