Buy NEP Powder (Pentedrone) | 4mmcchems – Premium Research Chemical.

Introduction to NEP Powder (Pentedrone)

NEP pellets, also known as N-Ethylpentedrone or N-Ethyl-nor-pentedrone, is a synthetic cathinone belonging to the substituted cathinone class of compounds. It is the N-ethyl analogue of pentedrone, specifically designed to increase dopamine transporter (DAT) inhibition by two to three times compared to its parent compound . NEP is a derivative of cathinone, the naturally occurring stimulant found in the khat plant, and is closely related to methcathinone and pentedrone .

First identified in Europe in 2013 following a police seizure in Austria, NEP has since been detected in 25 EU Member States, as well as Türkiye and Norway . Since 2022, approximately 11 tonnes of NEP powder have been seized across Europe, representing over 99% of total seizures since monitoring began . In 2024 alone, NEP was among five substances accounting for nearly 90% of all new psychoactive substances reported by EU law enforcement, with 44 tonnes of cathinones seized .

As a research chemical, NEP is primarily utilized as a certified reference material for forensic and toxicological applications, including GC-MS and LC-MS method development, quality control, and clinical toxicology . At 4mmcchems, we supply premium-grade NEP Powder to researchers and professionals worldwide, with a focus on fast, discreet shipping across Europe.

Product Specifications

Product Name: NEP Powder (N-Ethylpentedrone)

Synonyms: N-Ethylpentedrone, N-Ethyl-nor-pentedrone, NEP, α-EAPP

CAS Number: Not currently specified

Molecular Formula: C₁₃H₁₉NO (free base)

Molecular Weight: 205.30 g/mol

Purity: ≥ 98% (verified by third-party HPLC/GC-MS testing)

Form: White opalescent powder or crystals

Storage: -20°C for long-term stability

Availability: In stock, ready for immediate dispatch

Chemical Properties and Mechanism of Action

NEP acts as a monoamine transporter inhibitor, functioning primarily as a reuptake inhibitor for dopamine, norepinephrine, and serotonin . This mechanism produces stimulating effects similar to those of amphetamine and cocaine in research models. NEP contains a stereogenic centre, allowing for the existence of (R)- and (S)-enantiomers, with the (S)-enantiomer likely being the more pharmacologically active form .

Key Pharmacological Data

• Mechanism: Norepinephrine-dopamine reuptake inhibitor (NDRI) with additional serotonergic activity

• DAT Inhibition: Designed to be two to three times more potent than pentedrone at inhibiting dopamine reuptake

• Half-Life: Approximately 13 hours, significantly longer than 3-MMC, which contributes to drug accumulation with repeated use

• Metabolic Profile: NEP metabolism primarily involves N-dealkylation, ketoreduction, and hydroxylation, followed by glucuronide conjugation

Research Applications

NEP is valuable for studying monoamine transporter dynamics, structure-activity relationships within the cathinone class, and comparative pharmacology of psychostimulants. It also serves as an analytical reference standard for identifying this compound in forensic samples. Reference standards of NEP hydrochloride and its structural isomers are available, which is essential for discrimination, as techniques relying solely on mass may not allow unequivocal identification .

Why Choose 4mmcchems?

1. Uncompromising Quality

We source our NEP Powder from certified manufacturers with strict adherence to Good Manufacturing Practice (GMP) guidelines. Every batch undergoes independent HPLC and GC-MS testing to guarantee purity and potency, meeting the ≥98% purity threshold required for analytical reference materials.

2. Discreet and Secure Packaging

Your privacy is paramount. All orders are shipped in plain, unbranded packaging with no external markings indicating contents. Tamper-evident seals ensure security throughout transit.

3. Worldwide Shipping with European Focus

4mmcchems operates a robust global logistics network. We offer fast, reliable shipping to customers worldwide, with a particular emphasis on European markets:

• European Shipping: NEP has been detected in 25 EU Member States, with major import routes from India primarily through the Netherlands . We have optimized shipping routes to ensure timely delivery across the continent, including Germany, France, the United Kingdom, Spain, Italy, the Netherlands, Switzerland, and more.

• Fast Transit Times: Typical delivery to European destinations ranges from 3 to 7 business days.

• Tracking Provided: Every order comes with a tracking number for real-time shipment monitoring.

4. Competitive Pricing and Bulk Discounts

We offer tiered pricing for bulk orders, making 4mmcchems the cost-effective choice for large-scale research projects. Contact our sales team for custom quotes.

5. Responsive Customer Support

Our knowledgeable team is available to answer queries regarding product specifications, shipping, and order status. We prioritize clear and prompt communication.

Safety and Regulatory Information

NEP is a regulated substance across the European Union. As of January 2026, NEP is subject to EU-wide control measures under Commission Delegated Directive (EU) 2025/2062, requiring Member States to prohibit production, manufacture, extraction, preparation, offering, sale, distribution, transport, import, and export . NEP is controlled under drug control legislation in 15 Member States, including France, Italy, Poland, and Sweden, and under new psychoactive substance legislation in Germany and Finland .

Documented Health Risks

NEP has been associated with 63 deaths confirmed by six EU Member States and five non-fatal acute poisonings . Health risks include:

• Cardiovascular: Cardiac arrhythmias, blood pressure changes, and direct cardiotoxic effects

• Psychiatric: Aggression, hallucinations, delusions, suicidal thoughts, paranoia, and prolonged insomnia

• Other: Nasal irritation, breathing difficulties, and muscle soreness

A fatal case involving a 29-year-old man in a chemsex setting documented NEP and its metabolites in postmortem biological samples, representing the first documented death with such elevated levels .

Important Considerations for Researchers:

• Controlled Status: NEP is subject to EU-wide control measures and is controlled in numerous European countries. It is the customer’s responsibility to verify the legal status of this product in their jurisdiction before placing an order.

• Research Use Only: This product is intended for research, forensic, and analytical applications only. Not for human or veterinary use .

• Handling Precautions: Standard laboratory safety protocols should be followed when handling this compound. Given its documented toxicity and association with fatalities, appropriate personal protective equipment (PPE) is recommended.

Shipping Information: Worldwide Delivery

4mmcchems is committed to making our products accessible globally. We ship to all major regions, including:

• Europe: All EU member states, UK, Switzerland, Norway, and more.

• North America: USA, Canada, Mexico.

• Asia: Japan, South Korea, Singapore, China, India, and others.

• Australia & Oceania

• South America

• Middle East & Africa

Shipping Methods:

• Standard Air Mail (7-21 days, tracking available)

• Express Courier (3-7 days, fully tracked, signature required)

Customs and Duties: Customers are responsible for any customs duties or import taxes applicable in their country. We provide all necessary documentation to facilitate smooth customs clearance, subject to local regulations.