Lansoprazole Impurities

• Lansoprazole - EP Impurity E
• 
• Impurity: Lansoprazole - EP Impurity E
• Chemical Name: 1H-benzimidazole-2-thiol

• Lansoprazole - EP Impurity B
• 
• Impurity: Lansoprazole - EP Impurity B
• Chemical Name: 2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methyl]sulphonyl]-1Hbenzimidazole

• Lansoprazole - EP Impurity D
• 
• Impurity: Lansoprazole - EP Impurity D
• Chemical Name: 1H-benzimidazol-2-ol

• Lansoprazole - EP Impurity E
• 
• Impurity: Lansoprazole - EP Impurity E
• Chemical Name: 1H-benzimidazole-2-thiol

• Lansoprazole - EP Impurity C
• 
• Impurity: Lansoprazole - EP Impurity C
• Chemical Name: 2-[[[3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methyl]sulphanyl]-1Hbenzimidazole

• Lansoprazole - EP Impurity F
• 
• Impurity: Lansoprazole - EP Impurity F
• Chemical Name: 2-[(RS)-[(4-chloro-3-methylpyridin-2-yl)methyl]sulphinyl]-1H-benzimidazole

• Lansoprazole - EP Impurity A
• 
• Impurity: Lansoprazole - EP Impurity A
• Chemical Name: 2-[(RS)-[[3-methyl-1-oxido-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methyl]sulphinyl]-1H-benzimidazole

• Lansoprazole - N-oxide
• 
• Impurity: Lansoprazole - N-oxide
• Chemical Name: (RS)-2-([3-methyl-4-(2,2,2-trifluoroethoxy)pyridin-2-yl]methylsulfinyl)-1H-benzo[d]imidazole N-oxide

• Lansoprazole - Thioxo Impurity
• 
• Impurity: Lansoprazole - Thioxo Impurity
• Chemical Name: 1-Methyl-12-thioxopyrido[1,2,3,4]imidazole-[1,2-a]benzimidazole-2(12H)-one

Eszopiclone Impurities

• Eszopiclone Impurities
• 
• Impurity: Eszopiclone-Eszopiclone N-oxide Impurity
• Chemical Name: Eszopiclone N-oxide Impurity

• Eszopiclone Impurities
• 
• Impurity: Eszopiclone-Eszopiclone R-Isomer
• Chemical Name: (R)-6-(3-chloropyridin-2-yl)-6,7-dihydro-5-oxo-5H-pyrrolo[3,4-b]pyrazin-7-yl 4-methylpiperazine-1-carboxylate

• Eszopiclone Impurities
• 
• Impurity: Eszopiclone-Eszopiclone Impurity C
• Chemical Name: 6-(5-chloropyridin-2-yl)-6,7-dihydropyrrolo[3,4-b]pyrazin-5-one

Gemcitabine Hydrochloride Impurities

• Gemcitabine Hydrochloride EP Impurity A
• 
• Impurity: Gemcitabine Hydrochloride EP Impurity A
• Chemical Name: 4-aminopyrimidin-2(1H)-one (cytosine)

BORTEZOMIB Impurities

• BORTEZOMIB-BORTEZOMIB Impurity
• 
• Impurity: BORTEZOMIB-BORTEZOMIB Impurity
• Chemical Name: N-((S)-1-carbamoyl-2-phenylethyl)pyrazine-2-carboxamide

• BORTEZOMIB-BORTEZOMIB Impurity
• 
• Impurity: BORTEZOMIB-BORTEZOMIB Impurity
• Chemical Name: [(1(R)-3-methyl-1-[[(2R)-1-oxo-3-phenyl-2-[(pyrazinylcarbonyl)amino]propyl] amino]butyl]boronicacid

• BORTEZOMIB-BORTEZOMIB Impurity
• 
• Impurity: BORTEZOMIB-BORTEZOMIB Impurity
• Chemical Name: N(S)-(1-(1(R)-hydroxy-3-methyl butyl amino)-1-oxo-3-phenyl propane-2- yl)pyrazine-2-carboxamide

• BORTEZOMIB-BORTEZOMIB Impurity
• 
• Impurity: BORTEZOMIB-BORTEZOMIB Impurity
• Chemical Name: N(S)-(1-(1(S)-hydroxy-3-methyl butyl amino)-1-oxo-3-phenyl propane-2- yl)pyrazine-2-carboxamide

• BORTEZOMIB-BORTEZOMIB Impurity
• 
• Impurity: BORTEZOMIB-BORTEZOMIB Impurity
• Chemical Name: BORTEZOMIB R-R isomer

• BORTEZOMIB-BORTEZOMIB Impurity
• 
• Impurity: BORTEZOMIB-BORTEZOMIB Impurity
• Chemical Name: BORTEZOMIB S-S isomer

• BORTEZOMIB-BORTEZOMIB Impurity
• 
• Impurity: BORTEZOMIB-BORTEZOMIB Impurity
• Chemical Name: (R)-Hydroxy Des(boric Acid) Bortezomib

• BORTEZOMIB-BORTEZOMIB Impurity
• 
• Impurity: BORTEZOMIB-BORTEZOMIB Impurity
• Chemical Name: (S)-Hydroxy Des(boric Acid) Bortezomib

• BORTEZOMIB-BORTEZOMIB Impurity
• 
• Impurity: BORTEZOMIB-BORTEZOMIB Impurity
• Chemical Name: Desisobutyl-n-butyl Bortezomib

• BORTEZOMIB-BORTEZOMIB Impurity
• 
• Impurity: BORTEZOMIB-BORTEZOMIB Impurity
• Chemical Name: N-Pyrazinylcarbonyl-L-phenylalanine Methyl Ester

• BORTEZOMIB-BORTEZOMIB Impurity
• 
• Impurity: BORTEZOMIB-BORTEZOMIB Impurity
• Chemical Name: N-Pyrazinylcarbonyl-L-phenylalanine

• Bortezomib Impurities
• 
• Impurity: Bortezomib-Bortezomib S,S- isomer
• Chemical Name: Bortezomib S,S- isomer l

• Bortezomib Impurities
• 
• Impurity: Bortezomib-Bortezomib R,S- isomer
• Chemical Name: Bortezomib R,S- isomer

• Bortezomib Impurities
• 
• Impurity: Bortezomib-Bortezomib R,R- isomer
• Chemical Name: Bortezomib R,R- isomer

Terazosin Hydrochloride Dihydrate Impurities

• Terazosin Hydrochloride Dihydrate EP Impurity A
• 
• Impurity: Terazosin Hydrochloride Dihydrate EP Impurity A
• Chemical Name: 2-chloro-6,7-dimethoxyquinazolin-4-amine

• Terazosin Hydrochloride Dihydrate-EP Impurity L
• 
• Impurity: Terazosin Hydrochloride Dihydrate-EP Impurity L
• Chemical Name: 1-(furan-2-ylcarbonyl)piperazine

• Terazosin Hydrochloride Dihydrate-EP Impurity M
• 
• Impurity: Terazosin Hydrochloride Dihydrate-EP Impurity M
• Chemical Name: 1,4-bis(furan-2-ylcarbonyl)piperazine

• Terazosin Hydrochloride Dihydrate-EP Impurity N
• 
• Impurity: Terazosin Hydrochloride Dihydrate-EP Impurity N
• Chemical Name: 1-[[(2RS)-tetrahydrofuran-2-yl]carbonyl]piperazine

Chlorzoxazone Impurities

• Chlorzoxazone - Related Compound A
• 
• Impurity: Chlorzoxazone - Related Compound A
• Chemical Name: 2-Amino-4-chloropheno

Dolutegravir Impurities

• Dolutegravir-4-fluoro impurity
• 
• Impurity: Dolutegravir-4-fluoro impurity
• Chemical Name: (4R,12aS)-N-(4-fluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1,2:4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide

• Dolutegravir-2-fluoro impurity
• 
• Impurity: Dolutegravir-2-fluoro impurity
• Chemical Name: (4R,12aS)-N-(2-fluorobenzyl)-7-hydroxy-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1,2:4,5]pyrazino[2,1-b][1,3]oxazine-9-carboxamide

Piperaquine Impurities

• Piperaquine Impurities
• 
• Impurity: Piperaquine Impurity II
• Chemical Name: 7-chloro-4-hydroxy quinoline

• Piperaquine Impurities
• 
• Impurity: Piperaquine Impurity III
• Chemical Name: 7-chloro-4-(4-(7-chloroquinolin-4-yl)piperazin-1-yl)quinoline

Clotrimazole Impurities

• Clotrimazole - EP Impurity A
• 
• Impurity: Clotrimazole - EP Impurity A
• Chemical Name: (2-chlorophenyl)diphenylmethanol,

• Clotrimazole - EP Impurity D
• 
• Impurity: Clotrimazole - EP Impurity D
• Chemical Name: imidazole

• Clotrimazole - EP Impurity E
• 
• Impurity: Clotrimazole - EP Impurity E
• Chemical Name: (2-chlorophenyl)phenylmethanone (2-chlorobenzophenone),

• Clotrimazole - EP Impurity A
• 
• Impurity: Clotrimazole - EP Impurity A
• Chemical Name: (2-chlorophenyl)diphenylmethanol

• Clotrimazole - EP Impurity E
• 
• Impurity: Clotrimazole - EP Impurity E
• Chemical Name: (2-chlorophenyl)phenylmethanone (2-chlorobenzophenone)

• Clotrimazole - EP Impurity D
• 
• Impurity: Clotrimazole - EP Impurity D
• Chemical Name: Imidazole

• Clotrimazole - EP Impurity C
• 
• Impurity: Clotrimazole - EP Impurity C
• Chemical Name: 1-chloro-2-(chlorodiphenylmethyl)benzene

• Clotrimazole - Related Compound A
• 
• Impurity: Clotrimazole - Related Compound A
• Chemical Name: (o-chlorophenyl)diphenylmethanol

Levofloxacin Impurities

• Levofloxacin - EP Impurity A
• 
• Impurity: Levofloxacin - EP Impurity A
• Chemical Name: (S)-9,10-Difluoro-3-methyl-7-oxo-2,3-dihydro-7H-Pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid (Levofloxacin Difluoro Impurity

• Levofloxacin - EP Impurity D
• 
• Impurity: Levofloxacin - EP Impurity D
• Chemical Name: (S)-10-Fluoro-2,3-dihydro-3-methyl-9-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic Acid(9-Piperazino Levofloxacin Impurity)

• Levofloxacin - EP Impurity E
• 
• Impurity: Levofloxacin - EP Impurity E
• Chemical Name: (S)-9-fluoro-3-mehyl-10(piperazine-1-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid

• Levofloxacin - EP Impurity F
• 
• Impurity: Levofloxacin - EP Impurity F
• Chemical Name: 4-[(3S)-6-carboxy-9-fluoro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4- benzoxazin-10-yl]-1-methylpiperazine 1-oxide

• Levofloxacin - (+)-Ofloxacin; (R)-(+)-Ofloxacin; D-Ofloxacin; d-Levo
• 
• Impurity: Levofloxacin - (+)-Ofloxacin; (R)-(+)-Ofloxacin; D-Ofloxacin; d-Levo
• Chemical Name: (3R)-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

• Levofloxacin - Related Compound B
• 
• Impurity: Levofloxacin - Related Compound B
• Chemical Name: (S)-9,10,difluro-3-methyl-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de][1,4]benzoxazine-6-carboxylic acid

• Levofloxacin - N-methyl ethyl amine Impurity
• 
• Impurity: Levofloxacin - N-methyl ethyl amine Impurity
• Chemical Name: (3R)-9-(2-(methylamino)ethylamino)-8-fluoro-2,3,3a,6-tetrahydro-3-methyl-6-oxobenzo[de]chromene-5-carboxylic acid

• Levofloxacin - EP Impurity B
• 
• Impurity: Levofloxacin - EP Impurity B
• Chemical Name: 9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine(Decarboxylated Levofloxacin)

• Levofloxacin - EP Impurity C
• 
• Impurity: Levofloxacin - EP Impurity C
• Chemical Name: (3S)-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-2,3-dihydro-7H-pyrido[1,2,3-de]-1,4- benzoxazine-6-carboxylic acid(9-Desfluoro Levofloxacin)

• Levofloxacin - Formyl impurity
• 
• Impurity: Levofloxacin - Formyl impurity
• Chemical Name: (3R)-9-(2-(N-formyl-methylamino)-(N-formyl-ethylamino))-8-fluoro-2,3,3a,6-tetrahydro-3-methyl-6-