Flmodafinil – Solution

H1: Buy Flmodafinil – Solution Research Chemical Online – USA, Europe and Worldwide

Welcome to RChems EU – your trusted global supplier of premium research chemicals. We are pleased to present Flmodafinil – Solution, a high-purity, ready-to-use liquid formulation of the fluorinated eugeroic (wakefulness-promoting) compound Flmodafinil (also known as CRL-40,940 or bisfluoromodafinil). Flmodafinil is a structural analogue of modafinil, distinguished by the substitution of two hydrogen atoms with fluorine atoms, which alters its metabolic stability and transporter binding profile. This research chemical is utilized exclusively in controlled laboratory settings for studies involving dopamine transporter (DAT) inhibition, orexin system modulation, and comparative eugeroic pharmacology. Each batch is synthesized and rigorously tested to exceed 99% purity, ensuring reproducible, publication-ready results for researchers in neuropharmacology, behavioral science, and medicinal chemistry. Whether you need to buy Flmodafinil – Solution for transporter binding assays, in vivo rodent studies (with ethics approval), or analytical method development, RChems EU delivers uncompromised quality with discreet worldwide shipping.

Key Features & Benefits

• >99% Certified Purity – Every batch validated by HPLC, NMR, and mass spectrometry.
• Ready-to-Use Solution Format – No weighing, no dissolution variability – precise pipetting for assays.
• Fluorinated Analogue – Ideal for comparative metabolic stability studies vs. modafinil.
• Discreet Packaging – Plain, unmarked outer boxes with no chemical names or external identifiers.
• Fast Worldwide Delivery – Expedited shipping to USA, Canada, UK, Australia, and all EU member states.
• Vacuum-Sealed & Tamper-Evident – Protection against leakage, light degradation, and contamination.
• Batch-Specific COA – Certificate of Analysis with chromatograms included or available upon request.
• Legal Compliance Labeling – Clear “For Research Use Only” marking to support institutional procurement.

Product Specifications

Parameter	Details
Product Name	Flmodafinil – Solution (CRL-40,940)
CAS Number	90280-13-0 (approximate for fluorinated analogue)
Purity (HPLC)	≥99.0%
Molecular Weight	~291.34 g/mol (free base)
Solution Appearance	Clear to slightly yellowish, particle-free
Vehicle	Research-grade solvent (typically DMSO or PEG-based – batch specific)
Concentration	As specified on product label (typical: 10–50 mg/mL)
Recommended Storage	15–25°C (room temperature), protected from light
Shipping Stability	30 days at ambient temperature (vacuum-sealed with desiccant)

Applications & Usage – For Research Only

Flmodafinil – Solution for research is strictly intended for in vitro and ex vivo laboratory applications, including but not limited to:

• Dopamine Transporter (DAT) Binding Assays – Quantifying inhibition of [³H]dopamine uptake in synaptosomal preparations.
• Orexin/Hypocretin System Studies – Investigating Flmodafinil’s effects on orexin receptor expression in hypothalamic tissue.
• Comparative Eugeroic Pharmacology – Comparing metabolic stability, protein binding, and transporter selectivity vs. modafinil, armodafinil, and adrafinil.
• Cytochrome P450 Metabolism Assays – Evaluating hepatic microsomal metabolism (CYP3A4, CYP2C19) and identifying major metabolites.
• Behavioral Pharmacology (In Vivo) – Rodent models of wakefulness (e.g., locomotor activity, EEG/EMG sleep-wake architecture) only with explicit institutional ethics approval.
• Analytical Method Development – Validating HPLC-UV or LC-MS/MS methods for fluorinated eugeroic quantification in biological matrices.
• Blood-Brain Barrier Permeability Studies – Using in vitro models (e.g., MDCK-MDR1 or primary endothelial cell monolayers).

Critical Note: This product is not for human or animal consumption, nor for therapeutic, diagnostic, or veterinary use. No in vivo administration is permitted without explicit institutional ethics approval and applicable controlled substance licenses. Flmodafinil is an investigational research chemical with no regulatory approval anywhere in the world for any medical use.

Purity & Testing

At RChems EU, analytical rigor defines our quality. Every batch of Flmodafinil – Solution undergoes a comprehensive multi-tiered testing protocol, with additional validation of solution stability:

1. High-Performance Liquid Chromatography (HPLC-DAD) – Quantifies main compound purity (≥99.0% area normalization) on both the raw powder (pre-dissolution) and the final solution to confirm no degradation during formulation.
2. Nuclear Magnetic Resonance (¹H NMR & ¹⁹F NMR) – Confirms structural identity, including the fluorinated benzhydryl group. ¹⁹F NMR is particularly critical for verifying the fluorine substitution pattern.
3. Mass Spectrometry (LC-MS/MS) – Validates molecular weight (~291.34 g/mol) and assesses impurity profiles at ppm levels.
4. Residual Solvent Analysis (GC-FID) – Ensures the solvent vehicle meets research-grade purity standards.
5. Solution Stability Testing – Accelerated stability studies (40°C for 7 days) confirm no precipitation, color change, or purity loss.
6. Container Integrity Testing – Leak-proof and tamper-evident seals verified for each unit.
7. Heavy Metals Testing (ICP-MS) – Ensures levels below USP <232> thresholds.

A Certificate of Analysis (COA) with raw chromatograms, ¹⁹F NMR spectra, and stability data is included with every shipment. Only batches meeting 99%+ purity in both powder and solution forms are released. This level of purity is critical for transporter binding studies – impurities as low as 1-2% can produce off-target inhibition at DAT or other monoamine transporters, leading to false conclusions about Flmodafinil’s selectivity profile. Additionally, our solution format eliminates weighing errors that can exceed 5-10% with manual powder handling.

Safety & Handling Guidelines

WARNING: FOR RESEARCH USE ONLY. NOT FOR HUMAN OR ANIMAL CONSUMPTION.

• Personal Protective Equipment (PPE): Always wear nitrile gloves, chemical safety goggles, and a lab coat when handling the solution.
• Ventilation: Handle inside a certified chemical fume hood to prevent inhalation of vapors or aerosols.
• Spill Management: Absorb with inert material (vermiculite, sand). Dispose of as hazardous chemical waste per local regulations.
• Storage: Keep original container tightly closed at room temperature (15–25°C) , protected from light. Do not freeze unless specified.
• Incompatibilities: Avoid contact with strong acids, strong bases, and oxidizing agents.
• First Aid (Accidental Exposure): Rinse exposed skin or eyes with copious water for 15 minutes. If inhaled, move to fresh air. If ingested (accidentally), seek immediate medical attention – present the Safety Data Sheet (SDS).

Global Shipping & Discreet Delivery

RChems EU specializes in fast worldwide delivery without compromising your privacy or research security. For liquid formulations, we employ enhanced protocols.

• Plain Outer Packaging: Neutral corrugated box – no logos, no “Flmodafinil” text, no chemical names.
• Unmarked Customs Labels: Generic declaration such as “Laboratory Samples – Non-Hazardous Liquid” or “Research Materials – No Commercial Value.”
• Secondary Containment: Solution vials are sealed in absorbent material and placed in leak-proof, opaque inner pouches.
• Thermal Protection: Standard ambient shipping; temperature-controlled shipping available upon request.
• Tamper-Evident Seals: Each vial is heat-sealed with a unique batch number visible only upon opening.
• Tracking & Insurance: Every order receives a unique tracking number. Optional shipping insurance covers loss, leakage, or damage in transit.
• Typical Transit Times (business days):
  • USA & Canada: 5–9 days
  • United Kingdom & Europe: 3–7 days
  • Australia & New Zealand: 7–12 days
  • Rest of world: 10–15 days

No signature required for standard delivery unless requested. Credit card and cryptocurrency statements show a neutral, non-chemical identifier.

Why Choose RChems EU?

• Verified Global Supplier – Thousands of successful research orders shipped to universities, pharmacology labs, and private research institutions since 2017.
• Stealth Packaging Experts – Our discreet delivery protocol maintains a 99.5% customs clearance rate across five continents, including for liquid shipments.
• Real-Time Customer Support – Email or live chat response within 12 hours (including weekends and holidays).
• Ready-to-Use Convenience – Save hours of preparation time and eliminate weighing/dissolution errors.
• Bulk & Repeat Order Discounts – Contact us for tiered pricing on multiple vials or larger volumes.
• Flexible Payments – Accepting BTC, ETH, USDT, and major credit cards with privacy protection.
• No Medical Claims – We strictly supply research chemicals; no misleading “human consumption” or “cognitive enhancement” language.
• Batch Traceability – Every order is linked to a specific batch with retained solution samples for six months.

Legal & Safety Disclaimer

By purchasing Flmodafinil – Solution from RChems EU, you acknowledge and agree to the following:

• You are at least 18 years of age (21 in jurisdictions where required for research chemicals).
• The product will be used exclusively for legitimate research purposes in a properly equipped laboratory setting (in vitro only unless licensed for in vivo).
• You have obtained any necessary local, state, and federal licenses required to possess this research chemical.
• You understand that Flmodafinil is not approved by the FDA, EMA, MHRA, or any other health regulatory agency for any use. It is an investigational research chemical with no approved medical indications.
• Compliance with all applicable import, export, and possession laws is solely your responsibility.
• RChems EU reserves the right to cancel any order from jurisdictions where import is explicitly prohibited or where the buyer cannot provide proof of research affiliation upon request.
• No product sold is intended to diagnose, treat, cure, or prevent any disease or condition in humans or animals.

FAQ Section

1. What is Flmodafinil – Solution used for in research?

Flmodafinil – Solution for research is a ready-to-use liquid formulation of the fluorinated eugeroic compound Flmodafinil (CRL-40,940). It is primarily used in dopamine transporter (DAT) binding assays, orexin system studies, comparative metabolic stability research (vs. modafinil), and behavioral pharmacology in rodent models (with ethics approval). The solution format eliminates weighing errors, improving reproducibility. No human or veterinary applications are permitted.

2. How does Flmodafinil differ from modafinil for research purposes?

Flmodafinil contains two fluorine atoms substituted on the benzhydryl ring, whereas modafinil is non-fluorinated. This fluorination typically results in increased metabolic stability (resistance to CYP450-mediated oxidation) and altered lipophilicity, which may affect blood-brain barrier permeability and transporter binding kinetics. Researchers use Flmodafinil as a tool compound to study the structure-activity relationships (SAR) of eugeroic agents, particularly the effects of halogen substitution on DAT inhibition and orexin pathway activation.

3. Is Flmodafinil – Solution legal to buy and import?

Flmodafinil is not a controlled substance in most countries (USA, UK, EU, Canada, Australia) as of 2025, as it is not specifically scheduled under the Controlled Substances Act (CSA) or Misuse of Drugs Act. However, it is an unapproved research chemical – its import, possession, and use are permitted only for legitimate laboratory research. It is not legal for human consumption in any jurisdiction. Some countries may regulate it under analogue acts if intended for human consumption (which is strictly prohibited). You are solely responsible for verifying local laws before ordering. RChems EU may request documentation of research status or institutional affiliation.

4. How discreet is your shipping for Flmodafinil – Solution?

Extremely discreet, with enhanced safety measures. Your order arrives in a plain, unmarked outer box with no mention of “Flmodafinil,” “eugeroic,” “research chemical,” or “RChems EU” on the exterior. The customs declaration reads “Laboratory samples – Non-hazardous liquid” or “Research materials – No commercial value.” Inside, the vial is sealed in absorbent material and an opaque, leak-proof, vacuum-sealed pouch. No external markings suggest pharmaceutical or supplement content.

5. What is the guaranteed purity level, and how is it tested?

All Flmodafinil – Solution batches are tested at two stages: (1) raw powder pre-dissolution at ≥99.0% purity via HPLC-DAD, and (2) final solution post-formulation to confirm no degradation. Confirmation includes ¹H NMR and ¹⁹F NMR (structural identity – ¹⁹F NMR verifies fluorine substitution), LC-MS/MS (molecular weight ~291.34 g/mol), residual solvent analysis (GC-FID), solution stability testing (accelerated conditions), and heavy metals testing (ICP-MS). A batch-specific Certificate of Analysis (COA) with chromatograms and ¹⁹F NMR spectra is included inside the discreet package or available digitally before purchase.

6. How should I store the Flmodafinil – Solution after opening?

Store in the original, tightly closed container at room temperature (15–25°C) , protected from light. Do not refrigerate or freeze unless explicitly stated on the label (some solvent vehicles may precipitate at low temperatures). Upon first use, aliquot into smaller sterile vials to avoid repeated opening and potential contamination. Once opened, use within 6 months for analytical purposes or within 3 months for cell-based assays. Never pipette directly from the stock vial without sterile technique – use a fresh, sterile pipette tip each time.

7. What solvent is used in the Flmodafinil – Solution?

The specific solvent vehicle varies by batch and is clearly indicated on the product label and COA. Typical vehicles include DMSO (dimethyl sulfoxide) or PEG-based (polyethylene glycol) formulations – both are research-grade, sterile-filtered, and tested for compatibility with common assay buffers. DMSO-based solutions are ideal for high-throughput screening but require dilution (typically <0.1% final DMSO concentration for cell cultures). Contact RChems EU for the exact vehicle of the current batch.

8. What is the mechanism of action for Flmodafinil in research?

Flmodafinil is believed to act primarily as a dopamine transporter (DAT) inhibitor, similar to modafinil, thereby increasing extracellular dopamine levels in brain regions involved in wakefulness (e.g., prefrontal cortex, hypothalamus). It may also modulate orexin/hypocretin neurons, histaminergic systems, and norepinephrine transporter (NET) activity. However, the precise molecular mechanism remains under investigation. Researchers use Flmodafinil as a tool compound to study the neurochemical basis of wakefulness independently of traditional psychostimulants (e.g., amphetamines).

9. Can I order Flmodafinil – Solution in larger volumes?

Yes. For research programs requiring more than the standard vial volume, contact RChems EU directly via the website contact form. We offer bulk configurations of 5mL, 10mL, 25mL, and 50mL vials (same 99%+ purity, same concentration) with volume-based pricing (typically 10–30% discount). Larger orders receive enhanced discreet packaging with additional tamper-evident seals, priority tracking, and expedited handling.

10. How do I dilute Flmodafinil – Solution for in vitro assays?

For transporter binding or cell culture applications: (1) Determine the desired final concentration (typical range: 1–100 µM for DAT inhibition assays). (2) Calculate the required volume of stock solution using the formula: ( V{stock} = (C{final} times V{final}) / C{stock} ). (3) Dilute the stock solution into assay buffer (e.g., PBS, Krebs-Ringer buffer) or cell culture media with gentle pipetting. (4) Ensure the final solvent concentration (e.g., DMSO) is ≤0.1% to avoid cytotoxicity or assay interference. (5) For synaptosomal preparations, verify buffer compatibility. A detailed dilution protocol is included with each shipment.

11. What analytical methods are recommended for Flmodafinil quantification?

For researchers developing analytical methods: typical HPLC conditions include a C18 column (150 mm × 4.6 mm, 5 µm), mobile phase of acetonitrile:0.1% formic acid in water (40:60 v/v), flow rate 1.0 mL/min, UV detection at 230 nm. Retention time for Flmodafinil is approximately 5.5 minutes under these conditions. For LC-MS/MS, use positive ion mode (ESI+) with MRM transition m/z 292.1 → 167.1. ¹⁹F NMR (376 MHz) provides a complementary quantitative method with a characteristic singlet near -120 ppm. A validated method summary is included with the COA.

12. What if the solution crystallizes or precipitates?

If precipitation occurs (rare with proper storage), gently warm the vial to room temperature (20–25°C) and vortex or sonicate for 1–2 minutes. Do not heat above 40°C. If precipitation persists, the product may have exceeded its shelf life or been exposed to moisture – contact RChems EU support for guidance. Do not use precipitated solution for quantitative assays as concentration will be inaccurate.

Ready to advance your neuropharmacology research with ready-to-use Flmodafinil – Solution?
Buy Flmodafinil – Solution from RChems EU today and experience 99% purity, discreet worldwide delivery, and professional support – from a supplier researchers trust worldwide.

This description is for informational purposes only. No claims of safety, efficacy, or legality are made for human or animal use. Always consult your institutional review board, legal counsel, and local laws before purchasing research chemicals.