vigabatrin - Medications

SABRIL (vigabatrin) is an oral antiepileptic drug and is available as white film-coated 500 mg tablets and as a white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin is a white to off-white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P=- 1.96) at physiologic pH. Vigabatrin melts with decomposition in a 3-degree range within the temperature interval of 171ºC to 176ºC. The dissociation constants (pK a ) of vigabatrin are 4 and 9.7 at room temperature (25ºC). Each SABRIL tablet contains 500 mg of vigabatrin. The inactive ingredients are hydroxypropyl methylcellulose, magnesium stearate, microcrystalline cellulose, polyethylene glycols, povidone, sodium starch glycolate, and titanium dioxide. SABRIL for oral solution is available as a white to off-white granular powder. Each packet contains 500 mg of vigabatrin. The inactive ingredient is povidone. The chemical structure of vigabatrin.

SABRIL (vigabatrin) is an oral antiepileptic drug and is available as white film-coated 500 mg tablets and as a white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin is a white to off-white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P=- 1.96) at physiologic pH. Vigabatrin melts with decomposition in a 3-degree range within the temperature interval of 171ºC to 176ºC. The dissociation constants (pK a ) of vigabatrin are 4 and 9.7 at room temperature (25ºC). Each SABRIL tablet contains 500 mg of vigabatrin. The inactive ingredients are hydroxypropyl methylcellulose, magnesium stearate, microcrystalline cellulose, polyethylene glycols, povidone, sodium starch glycolate, and titanium dioxide. SABRIL for oral solution is available as a white to off-white granular powder. Each packet contains 500 mg of vigabatrin. The inactive ingredient is povidone. The chemical structure of vigabatrin.

Vigabatrin Tablets, USP is an oral antiepileptic drug and is available as a white to off-white film-coated 500 mg tablets. The chemical name of vigabatrin USP, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white or almost white powder which is freely soluble in water, slightly soluble in methanol; practically insoluble in methylene chloride. The pH of a 1% aqueous solution is about 6.9. The noctanol/ water partition coefficient of vigabatrin, USP is about 0.011 (log P=-1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pKa) of vigabatrin, USP are 4 and 9.7 at room temperature (25°C). Each vigabatrin tablet contains 500 mg of vigabatrin, USP. The inactive ingredients are hydroxypropyl methylcellulose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, sodium starch glycolate, and titanium dioxide. FDA approved dissolution test specifications differ from USP. Image

Vigabatrin for oral solution, USP is an oral antiepileptic drug and is available as a white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, USP a racemate consisting of two enantiomers, is (±) 4 -amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white to off-white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin, USP is about 0.011 (log P =-1.96) at physiologic pH. Vigabatrin melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin, USP are 4 and 9.7 at room temperature (25°C). Vigabatrin for oral solution, USP is available as white to off-white granular powder. Each packet contains 500 mg of vigabatrin, USP. The inactive ingredient is povidone. Vigabatrin

Vigabatrin, USP is an oral antiepileptic drug and is available as a white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, USP, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white to off-white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P= -1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin are 4 and 9.7 at room temperature (25°C). Vigabatrin for oral solution USP, is available as white to off-white granular powder for oral administration. Each packet contains 500 mg of vigabatrin, USP. The inactive ingredient is povidone. formula

Vigabatrin Tablets, USP are an oral antiepileptic drug and are available as white film-coated 500 mg tablets. The chemical name of vigabatrin, USP, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white to almost white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin, USP is about 0.011 (log P =-1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin, USP are 4 and 9.7 at room temperature (25°C). Each Vigabatrin Tablet contains 500 mg of vigabatrin, USP. The inactive ingredients are hypromellose 2910, magnesium stearate, microcrystalline cellulose, polyethylene glycol 400, polyethylene glycol 8000, polysorbate 80, povidone, sodium starch glycolate, and titanium dioxide. 1

Vigabatrin Tablets, USP are an oral antiepileptic drug and are available as white film coated 500 mg tablets. The chemical name of vigabatrin, USP, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white or almost white powder which is freely soluble in water, slightly soluble in methanol, practically insoluble in methylene chloride, insoluble in hexane and toluene. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P =-1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin are 4.16 and 9.91 at room temperature (25°C). Each Vigabatrin Tablet contains 500 mg of vigabatrin, USP. The inactive ingredients are microcrystalline cellulose, sodium starch glycolate, povidone, magnesium stearate, hypromellose, titanium dioxide, and polyethylene glycol. Meets USP dissolution test 3. vigabatrin structural formula

Vigabatrin, USP is an oral antiepileptic drug and is available as a white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin USP, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white or almost white powder which is freely soluble in water and slightly soluble in methanol. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin, USP is about 0.011 (log P=- 1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pKa) of vigabatrin, USP are 4 and 9.7 at room temperature (25°C). Vigabatrin for oral solution, USP is available as a white to off-white granular powder. Each packet contains 500 mg of vigabatrin, USP. The inactive ingredient is povidone. Image

Vigabatrin USP is an oral antiepileptic drug and is available as a white to off-white film-coated tablet. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin USP is a white or almost white powder which is freely soluble in water. The pH of a 1% aqueous solution is about 6.99. The n-octanol/pH 7.4 Buffer solution (50:50) partition coefficient of vigabatrin is about (-)0.49. Vigabatrin meting range is within the temperature interval of 168°C to 178°C. The dissociation constants (pKa) of vigabatrin is 9.67 at room temperature (25°C). Each vigabatrin tablet, USP contains 500 mg of vigabatrin. The inactive ingredients are colloidal silicon dioxide, hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, sodium starch glycolate and titanium dioxide.

Vigabatrin for oral solution USP is an oral antiepileptic drug and is available as white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4 -amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white to off-white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P = -1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171ºC to 176ºC. The dissociation constants (pKa) of vigabatrin are 4 and 9.7 at room temperature (25ºC). Vigabatrin for oral solution, USP is available as a white to off-white granular powder. Each packet contains 500 mg of vigabatrin. The inactive ingredient is povidone. vig01

Vigabatrin, USP is an oral antiepileptic drug and is available as white film-coated 500 mg tablets. The chemical name of vigabatrin, USP, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white to off-white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P= -1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin are 4 and 9.7 at room temperature (25°C). Each vigabatrin tablet contains 500 mg of vigabatrin, USP. The inactive ingredients are hydroxypropyl methylcellulose, magnesium stearate, microcrystalline cellulose, polyethylene glycols, povidone, sodium starch glycolate, and titanium dioxide. formula

Vigabatrin, USP is an oral antiepileptic drug and is available as a white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, USP, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16 g/mol. It has the following structural formula: Vigabatrin, USP is a white or almost white powder which is freely soluble in water, slightly soluble in methanol and practically insoluble in methylene chloride. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P= -1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin are 4 and 9.7 at room temperature (25°C). Vigabatrin for oral solution, USP is available as white to off-white granular powder for oral administration. Each packet contains 500 mg of vigabatrin, USP. The inactive ingredient is povidone. 1

Vigabatrin is an oral antiepileptic drug and is available as a white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin is a white or almost white powder which is freely soluble in water, slightly soluble in methanol, very slightly to practically insoluble in alcohol, practically insoluble in methylene chloride, insoluble in toluene. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P=- 1.96) at physiologic pH. Vigabatrin melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin are 4 and 9.7 at room temperature (25°C). Vigabatrin for oral solution, USP is available as a white to off-white granular powder. Each packet contains 500 mg of vigabatrin, USP. The inactive ingredient is povidone. Chemical Structure

Vigabatrin tablets, USP are an oral antiepileptic drug and are available as white to off-white film-coated 500 mg tablets. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin USP is a white or almost white powder which is freely soluble in water, slightly soluble in methanol, very slightly to practically insoluble in alcohol, practically insoluble in methylene chloride, and insoluble in toluene. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P=- 1.96) at physiologic pH. Vigabatrin melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin are 4 and 9.7 at room temperature (25°C). Each vigabatrin tablet, USP contains 500 mg of vigabatrin USP. The inactive ingredients are hypromellose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, sodium starch glycolate and titanium dioxide. FDA approved dissolution test specifications differ from USP. str

Vigabatrin Tablets, USP are an oral antiepileptic drug and are available as white film-coated 500 mg tablets. The chemical name of vigabatrin, USP, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white to off-white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin, USP is about 0.011 (log P=-1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pKa) of vigabatrin, USP are 4 and 9.7 at room temperature (25°C). Each Vigabatrin Tablet, USP contains 500 mg of vigabatrin, USP. The inactive ingredients are microcrystalline cellulose, povidone, sodium starch glycolate, hypromellose 2910 (15mPas), magnesium stearate, titanium dioxide and polyethylene glycol (MW 8000). structure

Vigabatrin for oral solution, USP is an oral antiepileptic drug and is available as a white to off-white powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, USP, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white or almost white powder which is freely soluble in water, slightly soluble in methanol, practically insoluble in methylene chloride. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin, USP is about 0.011 (log P=- 1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin, USP are 4 and 9.7 at room temperature (25°C). Vigabatrin for oral solution, USP is available as a white to off-white powder. Each packet contains 500 mg of vigabatrin, USP. The inactive ingredient is povidone. Vigabatrin

Vigabatrin, USP is an oral antiepileptic drug and is available as white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, USP a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white or almost white powder which is freely soluble in water, slightly soluble in methanol, practically insoluble in methylene chloride. The pH of a 1% aqueous solution is about 6.99. The 1-octanol/water partition coefficient of vigabatrin is about -2.32 (log P =-1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pKa) of vigabatrin are 4 and 9.7 at room temperature (25°C). Vigabatrin for oral solution, USP is available as a white to off-white granular powder. Each packet contains 500 mg of vigabatrin, USP. The inactive ingredient is povidone. vigabatrin-structure

Vigabatrin for oral solution, USP is an oral antiepileptic drug and is available as a white to off-white powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white or almost white powder which is freely soluble in water. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P=-1.96) at physiologic pH. Vigabatrin melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pKa) of vigabatrin are 4 and 9.7 at room temperature (25°C). Vigabatrin for oral solution, USP is available as a white to off white powder. Each packet contains 500 mg of vigabatrin. The inactive ingredient is povidone.

Vigabatrin, USP is an oral antiepileptic drug and is available as a white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin USP, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white or almost white powder which is freely soluble in water and slightly soluble in methanol. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin, USP is about 0.011 (log P=- 1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pKa) of vigabatrin, USP are 4 and 9.7 at room temperature (25°C). Vigabatrin for oral solution, USP is available as a white to off-white granular powder. Each packet contains 500 mg of vigabatrin, USP. The inactive ingredient is povidone. Image

Vigabatrin Tablets, USP is an oral antiepileptic drug and is available as a white to off-white film-coated 500 mg tablets. The chemical name of vigabatrin USP, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white or almost white powder which is freely soluble in water, slightly soluble in methanol; practically insoluble in methylene chloride. The pH of a 1% aqueous solution is about 6.9. The noctanol/ water partition coefficient of vigabatrin, USP is about 0.011 (log P=-1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pKa) of vigabatrin, USP are 4 and 9.7 at room temperature (25°C). Each vigabatrin tablet contains 500 mg of vigabatrin, USP. The inactive ingredients are hydroxypropyl methylcellulose, magnesium stearate, microcrystalline cellulose, polyethylene glycol, povidone, sodium starch glycolate, and titanium dioxide. FDA approved dissolution test specifications differ from USP. Image

Vigabatrin for oral solution USP is an oral antiepileptic drug and is available as a white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white or almost white powder which is freely soluble in water, slightly soluble in methanol, practically insoluble in methylene chloride, alcohol and chloroform, insoluble in n-hexane and toluene. The pH of a 1% aqueous solution is about 6.84. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P = -1.96) at physiologic pH. Vigabatrin melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pKa) of vigabatrin are 4 and 9.7 at room temperature (25°C). Vigabatrin for oral solution USP is available as a white to off-white granular powder. Each packet contains 500 mg of vigabatrin. The inactive ingredient is povidone. vigabatrin-structure

VIGADRONE (vigabatrin, USP) is an oral antiepileptic drug and is available as a white, film- coated 500 mg tablet. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white to off-white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P= -1.96) at physiologic pH. Vigabatrin, USP melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin are 4 and 9.7 at room temperature (25°C). Each VIGADRONE tablet contains 500 mg of vigabatrin. The inactive ingredients are magnesium stearate, microcrystalline cellulose, povidone, sodium starch glycolate (potato) and isopropyl alcohol. The tablet coating ingredients are hydroxypropyl methylcellulose, polyethylene glycol and titanium dioxide. Approved dissolution test specifications differ from USP. Chemical Structure

VIGADRONE (vigabatrin, USP) is an oral antiepileptic drug and is available as a white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white to off-white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P= -1.96) at physiologic pH. Vigabatrin melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin are 4 and 9.7 at room temperature (25°C). VIGADRONE for oral solution is available as a white to off-white granular powder. Each packet contains 500 mg of vigabatrin. The structural formula for vigabatrin, a racemate consisting of two enantiomers, is (±) 4 amino-5 hexenoic acid. The molecular formula is C6H11NO2 and the molecular weight is 129.16.

VIGAFYDE (vigabatrin) oral solution is an antiepileptic drug. The chemical name of vigabatrin is (±) 4-amino-5-hexenoic acid, a racemic mixture of R and S isomers. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin is a white to off-white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P =-1.96) at physiologic pH. Vigabatrin melts with decomposition in a 3-degree range within the temperature interval of 171ºC to 176ºC. The dissociation constants (pKa) of vigabatrin are 4 and 9.7 at room temperature (25ºC). Each mL of VIGAFYDE contains 100 mg of vigabatrin. The inactive ingredients are methylparaben; peppermint flavor; propylparaben; purified water; and sucralose. structural formula for vigabatrin

VIGPODER (vigabatrin, USP) is an oral antiepileptic drug and is available as a white to off-white granular powder for oral solution in packets of 500 mg. The chemical name of vigabatrin, a racemate consisting of two enantiomers, is (±) 4-amino-5-hexenoic acid. The molecular formula is C 6 H 11 NO 2 and the molecular weight is 129.16. It has the following structural formula: Vigabatrin, USP is a white to off-white powder which is freely soluble in water, slightly soluble in methyl alcohol, very slightly soluble in ethyl alcohol and chloroform, and insoluble in toluene and hexane. The pH of a 1% aqueous solution is about 6.9. The n-octanol/water partition coefficient of vigabatrin is about 0.011 (log P= -1.96) at physiologic pH. Vigabatrin melts with decomposition in a 3-degree range within the temperature interval of 171°C to 176°C. The dissociation constants (pK a ) of vigabatrin are 4 and 9.7 at room temperature (25°C). VIGPODER powder for oral solution is available as white to off-white granular powder for oral administration. Each packet contains 500 mg of vigabatrin. The inactive ingredient is povidone. structural formula for vigabatrin