3-(4-(4-Aminobutyl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione HCl ; CAS # 2093388-69-1 (Base) ;

3-(1,3-Dihydro-4-nitro-1-oxo-2H-isoindol-2-yl)-2,6-piperidinedione ; CAS # 827026-45-9 ;

5-Hydroxy Lenalidomide ; 3-(4-Amino-5-hydroxy-1-oxoisoindolin-2-yl)piperidine-2,6-dione ; CAS # 1421593-78-3 ;

3-(4-Amino-1,3-dihydro-1-oxo-2H-isoindol-2-yl)-2,6-piperidinedione ; CAS # 191732-72-6 ;

3-Aminopiperidine-2,6-dione hydrochloride ; CAS # 24666-56-6 (HCl) ; 2353-44-8 (Base) ;

4-(N-(4-Cyclohexylbenzyl)-2-(N,2,4,6-tetramethylphenylsulfonamido)acetamido)-N-(2-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-ylamino)ethyl)-2-hydroxybenzamide ;

4-(N-(4-Cyclohexylbenzyl)-2-(N,2,4,6-tetramethylphenylsulfonamido)acetamido)-N-(3-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-ylamino)-3-oxopropyl)-2-hydroxybenzamide ;

4-(N-(4-Cyclohexylbenzyl)-2-(N,2,4,6-tetramethylphenylsulfonamido)acetamido)-N-(3-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-ylamino)propyl)-2-hydroxybenzamide ;

tert-Butyl 2-((4-((3-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-ylamino)-3-oxopropyl)carbamoyl)-3-hydroxyphenyl)(4-cyclohexylbenzyl)amino)-2-oxoethyl(tosyl)carbamate ;

Methyl 2-methyl-3-nitrobenzoate ; CAS # 59382-59-1 ;

Methyl 2-(hydroxymethyl)-3-nitrobenzoate ; CAS # 1628915-10-5 ;

Methyl 2-(chloromethyl)-3-nitrobenzoate ; CAS # 1218910-61-2 ;

2-Bromomethyl-3-nitrobenzoic acid methyl ester ; CAS # 98475-07-1 ;

(S)-2-(4-Amino-1-oxoisoindolin-2-yl)pentanediamide ;

(S)-5-Amino-4-(4-amino-1-oxoisoindolin-2-yl)-5-oxopentanoic acid ; CAS # 874760-72-2 ;

(S)-5-Amino-2-(4-amino-1-oxoisoindolin-2-yl)-5-oxopentanoic acid ; CAS # 874760-69-7 ;

(S)-2-(4-Amino-1-oxoisoindolin-2-yl)pentanedioic acid ;

2-(4-Amino-1-oxoisoindolin-2-yl)pentanediamide ; CAS # 2197414-55-2 ;

5-Amino-4-(4-amino-1-oxoisoindolin-2-yl)-5-oxopentanoic acid ; CAS # 2197414-57-4 ;

Lenalidomide Impurity LNB-C1 ; 5-Amino-2-(4-amino-1-oxoisoindolin-2-yl)-5-oxopentanoic acid ; CAS # 2197420-75-8 ;

2-(4-Amino-1-oxoisoindolin-2-yl)pentanedioic acid ; CAS # 295357-66-3 ;

(S)-Methyl 5-amino-2-(4-amino-1-oxoisoindolin-2-yl)-5-oxopentanoate ; CAS # 878782-79-7 ;

(S)-2-(4-Nitro-1-oxoisoindolin-2-yl)pentanediamide ;

(S)-5-Amino-4-(4-nitro-1-oxoisoindolin-2-yl)-5-oxopentanoic acid ;

(S)-5-Amino-2-(4-nitro-1-oxoisoindolin-2-yl)-5-oxopentanoic acid ; CAS # 874760-71-1 ;

(S)-2-(4-Nitro-1-oxoisoindolin-2-yl)pentanedioic acid ;

2-(4-Nitro-1-oxoisoindolin-2-yl)pentanediamide ;

5-Amino-4-(4-nitro-1-oxoisoindolin-2-yl)-5-oxopentanoic acid ; CAS # 1198299-72-7 ;

5-Amino-2-(4-nitro-1-oxoisoindolin-2-yl)-5-oxopentanoic acid ;

2-(4-Nitro-1-oxoisoindolin-2-yl)pentanedioic acid ; CAS # 295357-72-1 ;

4-Chloro-2-methylbenzoic acid ; CAS # 7499-07-2 ;

Lenalidomide Amadori Product ; 3-(4-(((3S,4S,5R)-2,3-Dihydroxy-5-(hydroxymethyl)-4-((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yloxy)-tetrahydrofuran-2-yl)methylamino)-1-oxoisoindolin-2-yl)piperidine-2,6-dione ;

tert-Butyl 2-((4-((2-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-ylamino)ethyl)carbamoyl)-3-hydroxyphenyl)(4-cyclohexylbenzyl)amino)-2-oxoethyl(tosyl)carbamate ;

tert-Butyl 2-((4-((3-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-ylamino)propyl)carbamoyl)-3-hydroxyphenyl)(4-cyclohexylbenzyl)amino)-2-oxoethyl(tosyl)carbamate ;

tert-Butyl 2-((4-((6-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-ylamino)-6-oxohexyl)carbamoyl)-3-hydroxyphenyl)(4-cyclohexylbenzyl)amino)-2-oxoethyl(tosyl)carbamate ;

4-(N-(4-Cyclohexylbenzyl)-2-(N,2,4,6-tetramethylphenylsulfonamido)acetamido)-N-(6-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-ylamino)-6-oxohexyl)-2-hydroxybenzamide ;

3-(4-Amino-1-oxoisoindolin-2-yl)-1-((2R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-((2S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)-tetrahydro-2H-pyran-2-yloxy)-tetrahydro-2H-pyran-2-yl)piperidine-2,6-dione ;

3-(4-Amino-1-oxoisoindolin-2-yl)-1-((2R,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)piperidine-2,6-dione ;

N2-Methyl Lenalidomide ; 3-(4-Amino-1-oxoisoindolin-2-yl)-1-methylpiperidine-2,6-dione ; CAS # 2133816-23-4 ;

N-(2-(2,6-Dioxopiperidin-3-yl)-1-oxoisoindolin-4-yl)acetamide ; CAS # 1421593-80-7 ;

N-(2-(2,6-Dioxopiperidin-3-yl)-1-oxoisoindolin-4-yl)formamide ; CAS # 2197414-56-3 ;

3-(4-(Hydroxyamino)-1-oxoisoindolin-2-yl)piperidine-2,6-dione ;

3-[4-(Methylamino)-1,3-dihydro-1-oxo-2H-isoindol-2-yl]-2,6-piperidinedione ; CAS # 2197421-58-0 ;

Lenalidomide N-Aminopropanoyl Impurity (HCl) ; 3-Amino-N-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-yl)propanamide hydrochloride ; CAS # 1407590-76-4 (Base) ;

Lenalidomide (R)-Isomer ; (R)-3-(4-Amino-1-oxoisoindolin-2-yl)piperidine-2,6-dione ; CAS # 874946-00-6 ;

tert-Butyl 3-(2-(2,6-dioxopiperidin-3-yl)-1-oxoisoindolin-4-ylamino)propylcarbamate ;