Gabapentin-impurities | Pharmaffiliates

gabapentin and its Impurities

An anti-epilectic and anticonvulsant drug, Gabapentin is used to treat epilepsy, neuropathic pain, hot flashes and other anxiety disorders. It possibly inhibits neurotransmitter γ-aminobutyric acid (GABA). Reference standards of Gabapentin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.

Displaying 63 results for gabapentin Impurities
PA 07 01000

Gabapentin - API Standards

Gabapentin


  • Catalogue No.:PA 07 01000

  • CAS :

    60142-96-3

  • Molecular Formula : C9H17NO2

  • Molecular Weight : 171.24

PA 07 01010

Gabapentin - Impurity A (Freebase)

2-Azaspiro[4.5]decan-3-one


  • Catalogue No.:PA 07 01010

  • CAS :

    64744-50-9

  • Molecular Formula : C9H15NO

  • Molecular Weight : 153.22

PA 07 01020

Gabapentin - Impurity B (Freebase)

(1-Cyanocyclohexyl)acetic Acid


  • Catalogue No.:PA 07 01020

  • CAS :

    133481-09-1

  • Molecular Formula : C9H13NO2

  • Molecular Weight : 167.21

PA 07 01040

Gabapentin - Impurity D

[1-(3-Oxo-2-aza-spiro[4,5]dec-2-ylmethyl)cyclohexyl]acetic Acid


  • Catalogue No.:PA 07 01040

  • CAS :

    1076198-17-8

  • Molecular Formula : C18H29NO3

  • Molecular Weight : 307.43

PA 07 01050

Gabapentin - Impurity E

Gabapentin Diacid


  • Catalogue No.:PA 07 01050

  • CAS :

    67950-95-2

  • Molecular Formula : C9H14O4

  • Molecular Weight : 186.21

PA 07 01070

Gabapentin - Impurity G

[1-(2-Aminoethyl)cyclohexyl]acetic acid


  • Catalogue No.:PA 07 01070

  • CAS :

    1500558-49-5

  • Molecular Formula : C10H19NO2

  • Molecular Weight : 185.26

PA 07 01510

1,1-Cyclohexanediacetic Acid Monoamide

1,1-Cyclohexanediacetic Acid Monoamide


  • Catalogue No.:PA 07 01510

  • CAS :

    99189-60-3

  • Molecular Formula : C10H17NO3

  • Molecular Weight : 199.25

PA 07 01520

1-Hydroxy-2-azaspiro[4.5]decan-3-one

1-Hydroxy-2-azaspiro[4.5]decan-3-one


  • Catalogue No.:PA 07 01520

  • CAS :

    NA

  • Molecular Formula : C9H15NO2

  • Molecular Weight : 169.22

PA 07 01530

2,2'-(((Oxalylbis(azanediyl))bis(methylene))bis(cyclohexane-1,1-diyl))diacetic Acid

2,2'-(((Oxalylbis(azanediyl))bis(methylene))bis(cyclohexane-1,1-diyl))diacetic Acid


  • Catalogue No.:PA 07 01530

  • CAS :

    NA

  • Molecular Formula : C20H32N2O6

  • Molecular Weight : 396.48

PA 07 01540

2-Methylpropan-2-aminium 2-(1-((2-(1-hydroxycyclohexyl)acetamido)methyl)cyclohexyl)acetate

2-Methylpropan-2-aminium 2-(1-((2-(1-hydroxycyclohexyl)acetamido)methyl)cyclohexyl)acetate


  • Catalogue No.:PA 07 01540

  • CAS :

    NA

  • Molecular Formula : C21H40N2O4

  • Molecular Weight : 384.55

PA 07 01550

2,4-Dioxo-3-azaspiro[5.5]undecane-1,5-dicarboxamide

2,4-Dioxo-3-azaspiro[5.5]undecane-1,5-dicarboxamide


  • Catalogue No.:PA 07 01550

  • CAS :

    872696-79-2

  • Molecular Formula : C12H17N3O4

  • Molecular Weight : 267.28

PA 07 01560

2,4-Dioxo-3-azaspiro[5.5]undecane-1-carboxamide

2,4-Dioxo-3-azaspiro[5.5]undecane-1-carboxamide


  • Catalogue No.:PA 07 01560

  • CAS :

    1087760-14-2

  • Molecular Formula : C11H16N2O3

  • Molecular Weight : 224.26

PA 07 01570

3,3-Pentamethylene Glutarimide

3,3-Pentamethylene Glutarimide


  • Catalogue No.:PA 07 01570

  • CAS :

    1130-32-1

  • Molecular Formula : C10H15NO2

  • Molecular Weight : 181.23

PA 07 01580

3,7-Diazaspiro[bicyclo[3.3.1]nonane-9,1'-cyclohexane]-2,4,6,8-tetraone

3,7-Diazaspiro[bicyclo[3.3.1]nonane-9,1'-cyclohexane]-2,4,6,8-tetraone


  • Catalogue No.:PA 07 01580

  • CAS :

    NA

  • Molecular Formula : C12H14N2O4

  • Molecular Weight : 250.25

PA 07 01590

2,4-Dicyano-3,3-pentamethyleneglutarimide

2,4-Dicyano-3,3-pentamethyleneglutarimide


  • Catalogue No.:PA 07 01590

  • CAS :

    4355-15-1

  • Molecular Formula : C12H13N3O2

  • Molecular Weight : 231.25

PA STI 043690

Gabapentin-d6 Hydrochloride

Gabapentin-d6 Hydrochloride


  • Catalogue No.:PA STI 043690

  • CAS :

    1432061-73-8

  • Molecular Formula : C9H12D6ClNO2

  • Molecular Weight : 213.73

PA STI 043700

Gabapentin-d4

Gabapentin-d4


  • Catalogue No.:PA STI 043700

  • CAS :

    1185039-20-6

  • Molecular Formula : C9H13D4NO2

  • Molecular Weight : 175.26

PA STI 043710

Gabapentin-d6

Gabapentin-d6


  • Catalogue No.:PA STI 043710

  • CAS :

    1346600-67-6

  • Molecular Formula : C9H11D6NO2

  • Molecular Weight : 177.27

PA STI 043720

Gabapentin Ethyl Ester Hydrochloride

Gabapentin Ethyl Ester Hydrochloride


  • Catalogue No.:PA STI 043720

  • CAS :

    60175-04-4

  • Molecular Formula : C11H21NO2

  • Molecular Weight : 199.26

PA STI 068190

1-(Nitromethyl)cyclohexane-d6-acetic Acid Ethyl Ester

1-(Nitromethyl)cyclohexane-d6-acetic Acid Ethyl Ester


  • Catalogue No.:PA STI 068190

  • CAS :

    NA

  • Molecular Formula : C11H13D6NO4

  • Molecular Weight : 235.31

PA STI 068200

1-(Nitromethyl)cyclohexaneacetic Acid-d4 Methyl Ester

1-(Nitromethyl)cyclohexaneacetic Acid-d4 Methyl Ester


  • Catalogue No.:PA STI 068200

  • CAS :

    1246815-71-3

  • Molecular Formula : C10H13D4NO4

  • Molecular Weight : 219.27

PA 07 01600

Gabapentine Lactose Adduct

Gabapentine Lactose Adduct


  • Catalogue No.:PA 07 01600

  • CAS :

    1990449-64-3

  • Molecular Formula : C21H35NO11

  • Molecular Weight : 477.51

PA 07 01610

1-(Cyanomethyl)cyclohexane-1-carbonitrile

1-(Cyanomethyl)cyclohexane-1-carbonitrile


  • Catalogue No.:PA 07 01610

  • CAS :

    4172-99-0

  • Molecular Formula : C9H12N2

  • Molecular Weight : 148.21

PA 07 01620

2-Isobutyryl-2-azaspiro[4.5]decan-3-one

2-Isobutyryl-2-azaspiro[4.5]decan-3-one


  • Catalogue No.:PA 07 01620

  • CAS :

    NA

  • Molecular Formula : C13H21NO2

  • Molecular Weight : 223.32

PA EPY0001280

Gabapentin (Y0001280)

Gabapentin (Y0001280)


  • Catalogue No.:PA EPY0001280

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0001281

Gabapentin impurity A (Y0001281)

Gabapentin impurity A (Y0001281)


  • Catalogue No.:PA EPY0001281

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0001348

Gabapentin impurity B (Y0001348)

Gabapentin impurity B (Y0001348)


  • Catalogue No.:PA EPY0001348

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA EPY0001349

Gabapentin impurity D (Y0001349)

Gabapentin impurity D (Y0001349)


  • Catalogue No.:PA EPY0001349

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1287303

Gabapentin (1287303)

Gabapentin (1287303)


  • Catalogue No.:PA USP1287303

  • CAS :

    60142-96-3

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1287325

Gabapentin Related Compound A (2-Azaspiro[4.5]decan-3-one) (1287325)

Gabapentin Related Compound A (2-Azaspiro[4.5]decan-3-one) (1287325)


  • Catalogue No.:PA USP1287325

  • CAS :

    64744-50-9

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1287347

Gabapentin Related Compound B ((1-cyanocyclohexyl)acetic acid) (1287347)

Gabapentin Related Compound B ((1-cyanocyclohexyl)acetic acid) (1287347)


  • Catalogue No.:PA USP1287347

  • CAS :

    133481-09-1

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1287358

Gabapentin Related Compound D ((1-(3-oxo-2-aza-spiro[4.5]dec-2-ylmethyl)-cyclohexyl)acetic acid) (1287358)

Gabapentin Related Compound D ((1-(3-oxo-2-aza-spiro[4.5]dec-2-ylmethyl)-cyclohexyl)acetic acid) (1287358)


  • Catalogue No.:PA USP1287358

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA USP1287369

Gabapentin Related Compound E (carboxymethyl-cyclohexanecarboxylic acid) (1287369)

Gabapentin Related Compound E (carboxymethyl-cyclohexanecarboxylic acid) (1287369)


  • Catalogue No.:PA USP1287369

  • CAS :

    67950-95-2

  • Molecular Formula : NA

  • Molecular Weight : NA

PAI 07 007010

1-Chloroethyl 3-oxo-2-azaspiro[4.5]decane-2-carboxylate


  • Catalogue No.:PAI 07 007010

  • CAS :

    NA

  • Molecular Formula : C12H18ClNO3

  • Molecular Weight : 259.73

PAI 07 007020

Ethyl (1-formylcyclohexyl)acetate,

Ethyl (1-formylcyclohexyl)acetate,


  • Catalogue No.:PAI 07 007020

  • CAS :

    460711-33-5

  • Molecular Formula : C11H18O3

  • Molecular Weight : 198.26

PAI 07 007030

Ethyl 2-(1-(hydroxymethyl)cyclohexyl)acetate,

Ethyl 2-(1-(hydroxymethyl)cyclohexyl)acetate,


  • Catalogue No.:PAI 07 007030

  • CAS :

    NA

  • Molecular Formula : C11H20O3

  • Molecular Weight : 200.28

PAI 07 007040

Ethyl 2-(1-(bromomethyl)cyclohexyl)acetate,

Ethyl 2-(1-(bromomethyl)cyclohexyl)acetate,


  • Catalogue No.:PAI 07 007040

  • CAS :

    NA

  • Molecular Formula : C11H19BrO2

  • Molecular Weight : 263.18

PAI 07 007050

Ethyl 2-(1-((3-oxo-2-azaspiro[4.5]decan-2-yl)methyl)cyclohexyl)acetate

Ethyl 2-(1-((3-oxo-2-azaspiro[4.5]decan-2-yl)methyl)cyclohexyl)acetate


  • Catalogue No.:PAI 07 007050

  • CAS :

    NA

  • Molecular Formula : C20H33NO3

  • Molecular Weight : 335.49

PAI 07 007051

Benzyl 2-(1-formylcyclohexyl)acetate

Benzyl 2-(1-formylcyclohexyl)acetate


  • Catalogue No.:PAI 07 007051

  • CAS :

    NA

  • Molecular Formula : C16H20O3

  • Molecular Weight : 260.33

PAI 07 007052

Benzyl 2-(1-(hydroxymethyl)cyclohexyl)acetate

Benzyl 2-(1-(hydroxymethyl)cyclohexyl)acetate


  • Catalogue No.:PAI 07 007052

  • CAS :

    NA

  • Molecular Formula : C16H22O3

  • Molecular Weight : 262.35

PAI 07 007053

Benzyl 2-(1-((tosyloxy)methyl)cyclohexyl)acetate

Benzyl 2-(1-((tosyloxy)methyl)cyclohexyl)acetate


  • Catalogue No.:PAI 07 007053

  • CAS :

    NA

  • Molecular Formula : C23H28O5S

  • Molecular Weight : 416.53

PAI 07 007054

Benzyl 2-(1-((3-oxo-2-azaspiro[4.5]decan-2-yl)methyl)cyclohexyl)acetate

Benzyl 2-(1-((3-oxo-2-azaspiro[4.5]decan-2-yl)methyl)cyclohexyl)acetate


  • Catalogue No.:PAI 07 007054

  • CAS :

    NA

  • Molecular Formula : C25H35NO3

  • Molecular Weight : 397.56

PAI 07 007055

2-(1-((((1-(2-(Benzyloxy)-2-oxoethyl)cyclohexyl)methyl)amino)methyl)cyclohexyl)acetic Acid

2-(1-((((1-(2-(Benzyloxy)-2-oxoethyl)cyclohexyl)methyl)amino)methyl)cyclohexyl)acetic Acid


  • Catalogue No.:PAI 07 007055

  • CAS :

    NA

  • Molecular Formula : C25H37NO4

  • Molecular Weight : 415.57

PAI 07 007056

Methyl 2-(1-((3-oxo-2-azaspiro[4.5]decan-2-yl)methyl)cyclohexyl)acetate

Methyl 2-(1-((3-oxo-2-azaspiro[4.5]decan-2-yl)methyl)cyclohexyl)acetate


  • Catalogue No.:PAI 07 007056

  • CAS :

    NA

  • Molecular Formula : C19H31NO3

  • Molecular Weight : 321.46

PA STI 088406

Gabapentin-d4

Gabapentin-d4


  • Catalogue No.:PA STI 088406

  • CAS :

    1407511-35-6

  • Molecular Formula : C9H13D4NO2

  • Molecular Weight : 175.26

PA 07 0011000

2-(1-((Dihydroxyamino)methyl)cyclohexyl)acetic Acid

2-(1-((Dihydroxyamino)methyl)cyclohexyl)acetic Acid


  • Catalogue No.:PA 07 0011000

  • CAS :

    NA

  • Molecular Formula : C9H17NO4

  • Molecular Weight : 203.24

PA 07 0011001

2-(1-(Nitrosomethyl)cyclohexyl)acetic Acid

2-(1-(Nitrosomethyl)cyclohexyl)acetic Acid


  • Catalogue No.:PA 07 0011001

  • CAS :

    NA

  • Molecular Formula : C9H15NO3

  • Molecular Weight : 185.22

PA 07 0011002

2,2'-Methylenebis(2-azaspiro[4.5]decan-3-one)

2,2'-Methylenebis(2-azaspiro[4.5]decan-3-one)


  • Catalogue No.:PA 07 0011002

  • CAS :

    NA

  • Molecular Formula : C19H30N2O2

  • Molecular Weight : 318.46

PA 07 0011003

Methyl Gabapentin Ester

Methyl Gabapentin Ester


  • Catalogue No.:PA 07 0011003

  • CAS :

    138799-98-1

  • Molecular Formula : C10H19NO2

  • Molecular Weight : 185.27

PA 07 0011004

1,1-Cyclopentanediacetic acid

1,1-Cyclopentanediacetic acid


  • Catalogue No.:PA 07 0011004

  • CAS :

    16713-66-9

  • Molecular Formula : C9H14O4

  • Molecular Weight : 186.21

PA 07 0011005

1-(1-(carboxymethyl)cyclohexyl)-N,N,N-trimethylmethanaminium iodide

1-(1-(carboxymethyl)cyclohexyl)-N,N,N-trimethylmethanaminium iodide


  • Catalogue No.:PA 07 0011005

  • CAS :

    1228301-72-1

  • Molecular Formula : C12H24INO2

  • Molecular Weight : 341.23

PA 07 0011006

methyl 2-(1-(aminomethyl)cyclohexyl)acetate hydrochloride

methyl 2-(1-(aminomethyl)cyclohexyl)acetate hydrochloride


  • Catalogue No.:PA 07 0011006

  • CAS :

    63562-01-6

  • Molecular Formula : C10H20ClNO2

  • Molecular Weight : 221.73

PA 07 0011007

Bisgabalactam

Bisgabalactam


  • Catalogue No.:PA 07 0011007

  • CAS :

    NA

  • Molecular Formula : C18H28N2O2

  • Molecular Weight : 304.43

PA 07 0011008

2-((Cyclohexanecarbonyl)oxy)acetic acid

2-((Cyclohexanecarbonyl)oxy)acetic acid


  • Catalogue No.:PA 07 0011008

  • CAS :

    667465-00-1

  • Molecular Formula : C9H14O4

  • Molecular Weight : 186.21

PA IPRS 84 18

Gabapentin (IPRS/84/18) -from IPC

Gabapentin (IPRS/84/18) -from IPC


  • Catalogue No.:PA IPRS 84 18

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 07 0011009

2-(1-((2-(1-(Aminomethyl)cyclohexyl)acetamido)methyl)cyclohexyl)acetic Acid

2-(1-((2-(1-(Aminomethyl)cyclohexyl)acetamido)methyl)cyclohexyl)acetic Acid


  • Catalogue No.:PA 07 0011009

  • CAS :

    1083246-63-2

  • Molecular Formula : C18H32N2O3

  • Molecular Weight : 324.47

PA 07 0011010

(2'R,4a'S,14a'S)-6'-(1,2-Dihydroxyethyl)-1',2',7',8'-tetrahydroxy-3'-(hydroxymethyl)octahydro-1'H,13'H-spiro[cyclohexane-1,12'-[1,3]oxazepino[3,2-d]pyrano[2,3-b][1,4]oxazocin]-10'(11'H)-one

(2'R,4a'S,14a'S)-6'-(1,2-Dihydroxyethyl)-1',2',7',8'-tetrahydroxy-3'-(hydroxymethyl)octahydro-1'H,13'H-spiro[cyclohexane-1,12'-[1,3]oxazepino[3,2-d]pyrano[2,3-b][1,4]oxazocin]-10'(11'H)-one


  • Catalogue No.:PA 07 0011010

  • CAS :

    NA

  • Molecular Formula : C21H35NO11

  • Molecular Weight : 477.51

PA 07 0011011

(10'R,10a'S)-8',9'-Dihydroxy-10a'-(hydroxymethyl)-10'-(((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-5'H,7'H-spiro[cyclohexane-1,4'-pyrido[2,1-b][1,3]oxazepin]-2'(3'H)-one

(10'R,10a'S)-8',9'-Dihydroxy-10a'-(hydroxymethyl)-10'-(((2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-5'H,7'H-spiro[cyclohexane-1,4'-pyrido[2,1-b][1,3]oxazepin]-2'(3'H)-one


  • Catalogue No.:PA 07 0011011

  • CAS :

    NA

  • Molecular Formula : C21H35NO11

  • Molecular Weight : 477.51

PA IMPA042

Gabapentin Impurity A (IMPA042)

Gabapentin Impurity A (IMPA042)


  • Catalogue No.:PA IMPA042

  • CAS :

    NA

  • Molecular Formula : NA

  • Molecular Weight : NA

PA 07 0011012

2-(3-Oxo-2-azaspiro[4.5]decan-2-yl)acetic Acid

2-(3-Oxo-2-azaspiro[4.5]decan-2-yl)acetic Acid


  • Catalogue No.:PA 07 0011012

  • CAS :

    923281-89-4

  • Molecular Formula : C11H17NO3

  • Molecular Weight : 211.26

PA 07 0011013

2,2'-(Ethane-1,1-diyl)bis(2-azaspiro[4.5]decan-3-one)

2,2'-(Ethane-1,1-diyl)bis(2-azaspiro[4.5]decan-3-one)


  • Catalogue No.:PA 07 0011013

  • CAS :

    NA

  • Molecular Formula : C20H32N2O2

  • Molecular Weight : 332.49

PA 07 0011014

4-Methoxy-4-methylpentan-2-one

4-Methoxy-4-methylpentan-2-one


  • Catalogue No.:PA 07 0011014

  • CAS :

    107-70-0

  • Molecular Formula : C7H14O2

  • Molecular Weight : 130.19

PA 07 0011015

Allyl 2-(1-(formamidomethyl)cyclohexyl)acetate

Allyl 2-(1-(formamidomethyl)cyclohexyl)acetate


  • Catalogue No.:PA 07 0011015

  • CAS :

    NA

  • Molecular Formula : C13H21NO3

  • Molecular Weight : 239.32