Gabapentin API USP39
Product Name: Gabapentin
Synonyms:NEURONTIN;GABAPENTINE;GABAPENTIN;HYDROCHLORIDE;GABAPENTIN;GOE-3450;(1-AMINOMETHYL-CYCLOHEXYL)-ACETIC ACID;
1-(AMINOMETHYL)CYCLOHEXANEACETIC ACID;AKOS 92109
CAS: 60142-96-3
MF: C9H17NO2
MW: 171.24
EINECS: 262-076-3
Chemical Properties: White Crystalline Solid
Uses: Amino acid structurally related to γ-Aminobutyric Acid (GABA), designed to cross the blood brain barrier. Used as an anticonvulsant. antipsychotic, 5HT2A antagonist. selective H1- receptor antagonist. For the treatment of adult Restless Legs Syndrome (RLS) and postherpetic neuralgia (PHN).
Gabapentin (GPN), marketed under the brand name Neurontin among others, is a medication used to treat epilepsy, neuropathic pain, hot flashes, and restless leg syndrome. In epilepsy it may be used for those with partial seizures. It is recommended as one of a number of first line medications for the treatment of neuropathic pain in diabetic neuropathy, post-herpetic neuralgia, and central neuropathic pain. A 2017 review of its use for diabetic neuropathy and postherpetic neuralgia found that about 15% of people have a meaningful benefit.
Gabapentin / Neurontin USP39 Pharma Materials Chemical Tests (COA) :
Test items
Items of analysis
|
Standard
Specification
|
Result
Results
|
appearance
|
white crystalline powder
|
white crystalline powder
|
identification
|
IR spectrum should comply with the CRS
HPLC-RT should comply with the CRS
|
conform
conform
|
PH
|
6.5-8.0
|
7.2
|
water
|
not more than 0.5%
|
0.0%
|
resiude on ignition
|
not more than 0.1%
|
0.0%
|
heavy metals
|
not more than 0.02%
|
less than 0.002%
|
impurity A
|
not more than 0.1%
|
<0.02%
|
impurity B
|
not more than 0.06%
|
<0.02%
|
impurity E
|
not more than 0.1%
|
<0.02%
|
impurity CDMA
|
not more than 0.1%
|
<0.02%
|
max individual unknown impurity
|
not more than 0.1%
|
<0.03%
|
impurity D
|
not more than 0.1%
|
<0.02%
|
impurity CAI
|
not more than 0.1%
|
<0.02%
|
max individual unknown impurity
|
not more than 0.1%
|
<0.02%
|
total impurity
|
not more than 0.5%
|
0.0%
|
methanol
|
not more than 3000ppm
|
55ppm
|
isopropanol
|
not more than 5000ppm
|
52ppm
|
methylene chloride
|
not more than 600ppm
|
N.D
|
toluene
|
not more than 890ppm
|
N.D
|
assay
|
98.0%~102.0%
|
99.4%
|
Conclusion
Conclusion
|
Qualified
Qualified
|