99% USP/EP Gabapentin Pharmacy Grade With Best Quality and Fast Delivery

Gabapentin More Info

Chemical Profile and Structural Characteristics

Gabapentin (CAS 60142-96-3) is a synthetic gamma-amino acid analog of GABA (gamma-aminobutyric acid) with the chemical name 1-(aminomethyl)cyclohexaneacetic acid. Its unique structure features a cyclohexane ring that separates the amino and carboxylic acid functional groups, which prevents metabolism and enhances blood-brain barrier penetration. This white to off-white crystalline solid exhibits zwitterionic character at physiological pH, with good solubility in both acidic and basic aqueous solutions but limited solubility in neutral media and organic solvents.

Mechanism of Action and Pharmacological Profile

Although structurally related to GABA, gabapentin does not directly interact with GABA receptors or influence GABA metabolism. Its primary mechanism involves high-affinity binding to the α2δ subunit of voltage-gated calcium channels in the central nervous system. This binding modulates calcium influx and reduces the release of several neurotransmitters, including glutamate, substance P, and norepinephrine. The compound demonstrates dose-dependent pharmacokinetics with bioavailability decreasing as dosage increases, typically ranging from 60% at 300 mg to 35% at 1600 mg due to saturable absorption mechanisms.

Therapeutic Applications and Clinical Uses

Gabapentin is primarily approved for the management of postherpetic neuralgia and as adjunctive therapy for partial seizures with and without secondary generalization. Off-label applications include neuropathic pain conditions such as diabetic neuropathy, fibromyalgia, and complex regional pain syndrome. Additional uses encompass migraine prophylaxis, restless legs syndrome, and various anxiety disorders. The compound requires careful dose titration, typically starting at 300 mg three times daily and escalating based on therapeutic response and tolerability to a maximum of 3600 mg daily.

Formulation Strategies and Bioavailability Considerations

We supply gabapentin active pharmaceutical ingredient suitable for immediate-release capsules, tablets, and oral solutions. Formulation challenges include addressing the compound's saturable absorption through appropriate dosing strategies and managing its hygroscopic nature during manufacturing. Our technical data supports formulation optimization, including compatibility studies with common excipients and guidance on manufacturing processes to ensure content uniformity and stability. The API's characteristics necessitate controlled humidity conditions during processing and packaging to maintain product quality.

Quality Specifications and Analytical Controls

Our gabapentin API complies with rigorous pharmacopeial standards (USP, EP) with comprehensive quality parameters including identification by IR and HPLC, assay (98.0-102.0%), and of related substances. Critical quality attributes encompass specific tests for lactam impurity, heavy metals, residual solvents, and chiral purity. We employ validated HPLC methods for precise quantification and impurity profiling, along with spectrophotometric methods for specific identification. Microbial limits and crystallinity characteristics are strictly controlled to ensure consistent pharmaceutical performance.

Safety Profile and Adverse Effect Management

Gabapentin is generally well-tolerated, with the most common adverse effects including dizziness, somnolence, peripheral edema, and fatigue. These effects are typically dose-dependent and often diminish with continued therapy. Serious but rare adverse reactions may include suicidal ideation, hypersensitivity reactions, and respiratory depression when combined with CNS depressants. The compound requires careful dose adjustment in renal impairment and carries precautions regarding abrupt withdrawal, which should be tapered gradually over at least one week to prevent seizure recurrence or withdrawal symptoms.

Stability Profile and Storage Requirements

Gabapentin demonstrates excellent chemical stability when stored in well-closed containers protected from moisture at controlled room temperature. The compound is hygroscopic and requires protection from high humidity conditions to prevent degradation and maintain physicochemical properties. Long-term stability studies support a shelf life of 36 months for the API under recommended storage conditions. Our comprehensive stability data package includes forced degradation studies and supports regulatory submissions across global markets.

Regulatory Status and Global Approvals

Our gabapentin API is supported by comprehensive regulatory documentation including Drug Master Files in major markets. The compound has received approvals from numerous regulatory authorities worldwide and is listed in the WHO Model List of Essential Medicines for epilepsy management. Manufacturing facilities maintain current Good Manufacturing Practice compliance with regular inspections by international regulatory agencies. The compound is available as both branded and generic products across global markets.

Market Position and Therapeutic Significance

As a first-line treatment for neuropathic pain and adjunctive therapy for epilepsy, gabapentin maintains a significant position in the global central nervous system therapeutics market. The expiration of patent protection has enabled robust generic competition while expanding patient access. Market growth continues to be driven by the increasing recognition and treatment of neuropathic pain conditions, expanded off-label applications, and the compound's favorable safety profile compared to traditional antiepileptic medications.

Manufacturing Capabilities and Supply Assurance

We employ efficient synthetic routes incorporating advanced purification technologies to ensure high purity and minimal impurity profiles. Our manufacturing processes are optimized for environmental sustainability and cost-effectiveness, with multiple production sites providing supply chain security. We offer flexible batch sizes from kilogram quantities to commercial volumes, supported by comprehensive quality agreements and reliable logistics networks to meet global customer requirements for this essential neurological therapeutic agent.

Package Image

FAQ

Q1. Can I get a free sample?

We can send you a samll free sample, and you only need to pay for the shipping cost.

Q2. What is the HyperChem payment term?

T/T in advance
LC at sight
DP at sight

Bank transfer

PayPal

Bitcoin...

Q3. What is HyperChem shipment policy?

Our policy is to strive for the quickest shipment time possible.

For ready stock samples, they are usually shipped within 3 working days after payment received.
For non-ready stock, please contact HyperChem sales team to negotiate.

Q4. What is HyperChem shipment term?

By Express  
FedEx  UPS  DHL  EMS                               
Fast: 3-7 days around, high cost, door to door service

By Air                                        
Suitable for more than 50kg 
Fast: 3-7 days, hight cost, port to port, professional broker needed 

By Sea
Suitable for more than 500kg      
Fast: 7-45 days, low cost, port to port, professional broker needed 

We will always attempt to utilize the quickest and most affordable way for customers to receive orders. And follow -up with customers via email for all shipment details as well as updated track information until it arrives without damage.

Q5. What HyperChem will provide after shipment?

For sample orders: 
After shipment is done, an timely email including:

1. Track details (Fedex /TNT/DHL/EMS Track number)
2. Packaging photo
3. COA, MSDS, etc
4. Dispatch date & Estimated arriving time
5. Shipping invoice

For commercial orders
A full set of shipment documents as well as package photos can be provided in scan-copy and original, to help customers complete the customs clearance process.

Company Profile

Established in 2013, Hyper Chem has exclusive tie-ups with leading manufacturers, supplying raw materials produced in GMP and ISO 9002 certified facilities, and provides high-quality ingredients and raw materials to cater to the requirements of our diverse range of clients.

Among them, our key client industrial sectors around the global are:

Pharmaceuticals
Nutrition Ingredients/ Dietary supplements
Cosmetic Ingredients
Food Ingredients
Veterinary API
Agriculture fertilizer
Custom Synthesis lab supply

HyperChem provides to its wonderful and honorable clients comprehensive purchasing and distribution services which ensure that we are delivering the right generic, raw, or customized product, make sure that we are delivering it at the right time, ensure that it is delivered in the specified amount, and in the right kind of packaging to clients and customers of all types of industries irrespective of their size of operation.