LevetiracetaM IMpurity B

左乙拉西坦杂质B

CAS No. 358629-47-7

左乙拉西坦杂质B

Benzoic acid, 2-[(4-fluorophenoxy)methyl]- 198565-84-3

Cyclopentane, phenyl- 700-88-9

环戊基苯

2-Pyrimidinamine, 4,6-dimethyl-N-phenyl-,mono(4-methylbenzenesulfonate) 198629-72-0

9-(2-chloro-6-fluorobenzyl)-6-methylaminopurine 70091-21-3

1-Oxa-4-thiaspiro[4.5]decane 177-15-1

N-ALPHA-BENZOYL-L-ARGININE BETA-NAPHTHYLAMIDE HYDROCHLORIDE 198555-19-0

2-Imidazolidinone, 1,3-bis(4-methoxyphenyl)-4,5-diphenyl-, (4R,5S)-rel- 198626-88-9

Pentanoic acid,[(3R)-1-ethyl-3-piperidinyl]methyl ester 700870-68-4

4-[(3,4,5-Trimethoxyphenyl)acetyl]morpholine 19856-64-5

4-Amino-N-(5-methyl-2-pyridyl)benzamide 17710-08-6

Ethanol, 1-[2-(ethenyloxy)ethoxy]-, acetate 198622-71-8

N-(4-Nitrophenyl)thiocarbamic acid O-(4-chlorophenyl) ester 17710-61-1

Propanenitrile,3,3'-[[2-[4,5-bis(decylthio)-1,3-dithiol-2-ylidene]-1,3-dithiole-4,5-diyl]bis(thio)]bis- 177160-49-5

1H-Pyrrole,3-methoxy-1-(1-methylethyl)-2-(methylthio)- 700874-12-0

9-(2-chloro-6-fluorobenzyl)-6-dimethylaminopurine 70091-23-5

Propanenitrile,3,3'-[1,3-propanediylbis[thio[2-[4,5-bis(methylthio)-1,3-dithiol-2-ylidene]-1,3-dithiole-5,4-diyl]thio]]bis- 198555-66-7

trisodium 5-amino-4-hydroxy-3-[(4-sulphonatophenyl)azo]naphthalene-2,7-disulphonate 17716-41-5

ammonium ferrous sulfate 19864-63-2

5H-Dibenzo[a,d]cycloheptene-5-methanamine,hydrochloride (1:1) 19862-99-8

8,11,14-Nonadecatrienoic acid, (Z,Z,Z)- 17711-18-1

2-Butenoic acid, 4,4,4-trifluoro-3-(phenylmethyl)-, ethyl ester, (2E)- 198632-96-1

1H-Pyrazolo[3,4-b]pyridine, 3-methyl-1,6-diphenyl- 198637-57-9

1-BOC-4-[[3-(TRIFLUOROMETHOXY)PHENYL]METHYL]-4-(HYDROXYMETHYL)-PIPERIDINE 198649-25-1

2,4,6-Cycloheptatrien-1-one, 2,4-dihydroxy- 7009-19-0

1-Propanaminium,3-[[4-[(heptadecafluorononyl)oxy]benzoyl]amino]-N,N,N-trimethyl- 177101-40-5

sodium 3-(4-hydroxy-3,5-diiodophenyl)-2-phenylpropionate 7009-60-1

allyl oleate 19855-52-8

4-[2-(6-methylpyridin-2-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl]quinoline-6-carboxamide 700874-72-2

Benzenamine, 4-(methylthio)-N-(phenylmethylene)- 19859-97-3

FMOC-ORN(2-CL-Z)-OH 198561-86-3

N5-[[(2-氯苯基)甲氧基]羰基]-N2-[芴甲氧羰基]-L-鸟氨酸

4-Amino-N-(3-methyl-2-pyridyl)benzamide 17710-06-4

[2-methoxy-4-[(E)-3-(2-methylmorpholin-4-yl)-3-oxo-prop-1-enyl]phenyl] acetate 19856-72-5

4-Chloro-N-(phenylmethylene)benzenamineN-oxide 19865-58-8

3-[4-(BROMOMETHYL)PHENYL]-7-(DIETHYLAMIN 177093-58-2

2-CHLORO-1-[2-(4-FLUOROPHENYL)-1H-INDOL-3-YL]ETHANONE 70093-19-5

6-({[4-(methylsulfanyl)phenyl]amino}methylidene)cyclohexa-2,4-dien-1-one 19860-04-9

Benzene, 2-(1,1-dimethylethyl)-1,3-dimethyl- 1985-64-4

4-hydroxyfluoren-9-one 1986-00-1

(Dimethylarsino)[bis(trifluoromethyl)]phosphine 19863-20-8

9-Heptadecene-4,6-diyne-3,8-diol,(3S,8S,9Z)- 198638-46-9

3-Nitro-N-phenylbenzenemethanimine N-oxide 19865-57-7

dodecyl(2-hydroxyethyl)dimethylammonium bromide 7009-61-2

Pentanenitrile, 3-hydroxy-, (3R)- 198561-27-2

1,3-Dihydro-3,3-dimethyl-1-phenylisobenzofuran-1-propan-1-amine 19860-87-8

L-Valine,L-isoleucyl-L-leucyl-L-lysyl-L-a-aspartyl-L-prolyl-L-valyl-L-histidylglycyl- 198626-47-0

5-beta-Card-20(22)-enolide, 3-beta-((O-beta-glucopyranosyl-(1-4)-O-2,6-dideoxy-beta-D-ribo-hexopyranosyl-(1-4)-O-2,6-dideoxy-beta-D-ribo-hexopyranosyl-(1-4)-2,6-dideoxy-beta-D-ribo-hexopyranosyl)oxy)-14,16-beta-dihydroxy- 19855-39-1

Methanone, (5-ethyl-2,6-dimethoxy-4-pyrimidinyl)phenyl- 198555-41-8

gevilon 7009-49-6

1-Butanol, 3-germyl- 17715-18-3

4-Chlorophenylthiocarbamic acid O-(4-chlorophenyl) ester 17710-62-2

Benzene, 1-(1,1-dimethyl-2-propynyl)-4-(trifluoromethyl)- 177096-58-1

4,17-Dioxabicyclo[14.1.0]heptadecane-5,9-dione,7,11-dihydroxy-8,8,10,12,16-pentamethyl-3-[(1E)-1-methyl-2-(2-methyl-4-oxazolyl)ethenyl]-, (1S,3S,7S,10R,11S,12S,16R)- 198571-00-5

Benzene, 1-fluoro-3-(1,2-propadienyl)- 70090-82-3

Benzo[c]-1,5-naphthyridinium, 5-methyl-, iodide 70092-68-1

ISOBUTYL IONONE 70092-23-8

N-Isothiocyanato-N-isopropyl-1-methylethanamine 17709-98-7

Card-20(22)-enolide,3-[(6-deoxy-2-Omethyl- &acirc 198628-40-9

Sodium uranyl triacetate, of uranium depleted in uranium-235 17712-38-8

7-{(1R,2R,3R)-3-hydroxy-2-[(1E,3S)-3-hydroxynon-1-en-1-yl]-5-oxocyclopentyl}heptanoic acid (non-preferred name) 17711-13-6

6-(2,5-Dimethylbenzoyl)-3-hydroxy-2-(3-hydroxy-2-quinolinyl)-1H-inden-1-one 198625-33-1