Peptidesr4u.com — Global Peptide Supplier

Region	Countries	Standard	Express	Free Shipping Threshold	Customs Support
🇺🇸United States	USA	£16.80 / 5–7 days	£42.00 / 2–3 days	Orders over £188.40	✓ Full docs
🇪🇺European Union	27 member states	£20.40 / 7–10 days	£42.00 / 3–4 days	Orders over £236.40	✓ Full docs
🇬🇧United Kingdom	UK, Isle of Man	£19.20 / 6–9 days	£42.00 / 2–3 days	Orders over £188.40	✓ Full docs
🇨🇦Canada	All provinces	£20.40 / 7–10 days	£45.60 / 3–4 days	Orders over £236.40	✓ Full docs
🌏Asia Pacific	AU, NZ, JP, SG, KR	£26.40 / 10–14 days	£51.60 / 4–6 days	Orders over £283.20	✓ Partial
🌍Middle East	UAE, SA, IL, TR	£30.00 / 10–16 days	£61.20 / 5–7 days	Orders over £331.20	⚠️ Varies
🌎Latin America	BR, MX, AR, CL, CO	£27.60 / 12–18 days	£56.40 / 5–7 days	Orders over £331.20	⚠️ Varies
🌍Rest of World	All other countries	£32.40 / 14–21 days	£70.80 / 7–10 days	Orders over £378.00	⚠️ Contact us

Peptidesr4u.com offers a bespoke custom synthesis service for research institutions, biotech companies, and independent scientists who require peptides not currently listed in our standard catalogue.

What We Can Synthesise

Standard linear peptides (2–50 amino acids)
Cyclic peptides and disulphide-bridged sequences
Modified peptides including phosphorylated, acetylated, and amidated variants
Isotopically labelled peptides (¹³C, ¹⁵N, deuterium)
Peptide–conjugate hybrids (PEGylated, fluorescent-labelled)
Unusual and non-natural amino acid incorporation

Purity Options

Grade	Purity	Typical Use
Crude	>70%	Preliminary screening
Research	≥95%	Standard in vitro research
High Purity	≥98%	Bioassay and structural studies
GMP-Aligned	≥99%	Pre-clinical reference standards

Turnaround Times

Standard: 10–15 business days from sequence confirmation
Express: 5–7 business days (surcharge applies)
Complex sequences: 20–30 business days (assessed individually)

How to Order

Email your sequence in single-letter or three-letter amino acid code to synthesis@peptidesr4u.com along with your required quantity, purity grade, and any modifications. We will provide a formal quotation within 2 business days.

📧 synthesis@peptidesr4u.com — include sequence, quantity, purity grade, and any modifications. All enquiries responded to within 2 business days.

Quality Assurance

Every custom peptide is supplied with a full Certificate of Analysis (CoA) including HPLC chromatogram and mass spectrometry confirmation. Analytical data is provided in PDF format.

⚠️ All custom peptides are supplied strictly for research purposes only. Peptidesr4u.com accepts no liability for any use outside of legitimate scientific research. Orders are subject to our full Terms of Sale.

Peptidesr4u.com offers significant volume discounts for research institutions, universities, CROs, and commercial buyers placing large or recurring orders.

Volume Discount Structure

Order Value (GBP)	Discount	Account Manager
£500 – £1,499	5%	No
£1,500 – £4,999	10%	No
£5,000 – £14,999	15%	Yes — dedicated
£15,000+	20%+	Yes — priority

Wholesale Account Benefits

Net-30 payment terms available for approved accounts
Priority order processing and dedicated despatch slot
Batch reservation for high-demand compounds
Consolidated monthly invoicing
Custom labelling and repackaging available
Drop-shipping to multiple delivery addresses

Minimum Order Quantities

Standard catalogue items: no minimum. Bulk pricing tiers apply per item as listed. Custom synthesis orders: minimum 100mg per sequence unless otherwise agreed in writing.

How to Apply

To open a wholesale account, email wholesale@peptidesr4u.com with your organisation name, VAT/company registration number, estimated monthly order value, and primary contact details. Account approval typically takes 2–3 business days.

📧 wholesale@peptidesr4u.com — include your organisation details and estimated order volume for a tailored quote.

Payment Terms

Standard orders: payment in full at time of order. Approved wholesale accounts: Net-30 terms. All prices are exclusive of VAT where applicable. Invoices are issued in GBP; currency conversion at buyer's risk.

⚠️ Wholesale buyers confirm that all products will be used solely for legitimate scientific research. Resale of products for human consumption is strictly prohibited and may result in immediate account termination and legal action.

Receiving Your Tracking Number

A tracking number is issued automatically when your order is despatched. You will receive an email to your registered address containing your tracking reference and a direct link to the carrier's tracking portal.

Please allow up to 1 business day after despatch for tracking information to become active on the carrier's system.

Our Courier Partners

Service	Carrier	Tracking Portal
Standard International	Royal Mail / local post	royalmail.com/track-your-item
Express Cold Chain	DHL Express	dhl.com/tracking
Priority Overnight	DHL Express	dhl.com/tracking
Bulk / Freight	Varies by route	Provided in despatch email

Order Statuses Explained

Processing: Payment confirmed, order being prepared in our facility
Quality Check: CoA being finalised and matched to your order
Despatched: Package handed to courier — tracking now active
In Transit: Moving through courier network toward destination
Customs Clearance: Normal for international orders — no action required unless customs contacts you directly
Delivered: Confirmed delivery to address provided

Order Not Arrived?

If your order has not arrived within the estimated delivery window, please contact us at support@peptidesr4u.com with your order number. We will investigate with the carrier on your behalf.

International orders delayed beyond 30 calendar days from despatch date (excluding force majeure events and customs holds) may be eligible for a replacement or refund at our discretion, subject to our Terms of Sale.

📧 support@peptidesr4u.com — quote your order number for fastest response. We aim to reply within 24 hours on business days.

⚠️ Important: Import regulations for research chemicals and peptides vary significantly by country. It is the buyer's sole responsibility to verify that importation of ordered products is legal in their jurisdiction before placing an order.

📦 Full documentation pack included with every international order. We prepare and supply all standard customs documents automatically — you do not need to request them separately.

Standard Documentation Pack (All International Orders)

Every international shipment from Peptidesr4u.com is accompanied by a complete customs documentation package. The following documents are prepared and enclosed as standard:

Document	Purpose	Included
Commercial Invoice	States sender/recipient details, accurate description ("synthetic peptides for research use only"), quantity, weight, declared value in GBP, country of origin (UK), and HS commodity code	✓ Always
HS Commodity Code	International tariff classification code used by customs to identify goods and calculate duties. Primary codes used: 2937.90.90 (peptide hormones and derivatives) and 3822.19.00 (laboratory reagents) depending on product type	✓ Always
Certificate of Analysis (CoA)	HPLC purity data and mass spectrometry identity confirmation for each product. Confirms product is exactly as described. Required by customs authorities in many countries	✓ Always
Safety Data Sheet (SDS/MSDS)	Describes chemical properties, hazard classification, safe handling, storage requirements, and emergency procedures. Required by most couriers and customs authorities for chemical shipments	✓ Always
Packing List	Itemised list of package contents with individual weights, quantities, and vial descriptions. Matches the commercial invoice line by line	✓ Always
Shipper's Letter of Instruction	Instructs the courier on how to handle, declare, and process the shipment through customs on our behalf	✓ Always
Certificate of Origin	Certifies goods were manufactured in the United Kingdom. Required for preferential duty rates under trade agreements such as the UK–EU Trade and Cooperation Agreement	On request

⚠️ We never misdeclare shipments, undervalue goods, or falsify customs documentation under any circumstances. Doing so is illegal and we will not do so regardless of buyer request.

Region-Specific Requirements

Region	Standard Docs	Additional Requirements	Support Level
🇬🇧 United Kingdom	✓ Full pack	Some scheduled substances require a Home Office Controlled Drugs licence. We will advise at point of order if applicable.	Full
🇺🇸 United States	✓ Full pack	FDA regulations apply. Most research peptides importable for research without permit. We include an FDA research-use declaration letter.	Full
🇪🇺 European Union	✓ Full pack + Certificate of Origin	Regulations vary by member state. REACH compliance statement included. VAT/EORI number of recipient required for commercial imports.	Full
🇨🇦 Canada	✓ Full pack	Health Canada regulations apply. Business Number (BN) required for commercial imports. We include a Canadian customs import declaration form.	Full
🌏 Asia Pacific AU, NZ, JP, SG, KR	✓ Full pack	Australia: TGA regulations apply. ABN required for commercial imports. Some peptides require TGA import permit — we advise at point of order. New Zealand: Phytosanitary certificate may be required for biological materials. MPI import health standard applies. Japan: MHLW approval may be required. Japanese customs declaration (import report) prepared by our freight partner. Singapore / South Korea: HSA/MFDS registration may apply. Contact us before ordering for specific compounds.	Partial
🌍 Middle East UAE, SA, IL, TR	✓ Full pack	UAE: Ministry of Health import approval may be required. We can assist with documentation on request. Saudi Arabia: SFDA import licence required for many research chemicals. Halal certification may be requested. Buyer should verify before ordering. Israel: Ministry of Health import licence required for research chemicals. Allow additional clearance time. Turkey: Licensed customs broker representation required. We work with a Turkey-based partner — contact us to arrange.	Varies
🌎 Latin America BR, MX, AR, CL, CO	✓ Full pack	Brazil: ANVISA registration required for many research chemicals. Can significantly delay clearance. Certified Portuguese translation of CoA and invoice required. Contact us before ordering. Mexico: Importer's permit (Padrón de Importadores) required. We include a certified Spanish-language commercial invoice. Argentina: SENASA certificate required for biological materials. Additional clearance time should be expected. Chile / Colombia: Standard documentation generally sufficient. Spanish translation of CoA included on request.	Varies
🌍 Rest of World	✓ Full pack	Requirements vary widely. Contact us before ordering at support@peptidesr4u.com and we will advise on what is required for your specific country.	Contact us

Import Duties and Taxes

Any import duties, VAT, GST, or other taxes levied by the destination country's customs authority are the sole responsibility of the buyer. Peptidesr4u.com has no control over these charges and cannot predict or guarantee what they will be. We recommend contacting your national customs authority or a licensed customs broker before ordering if you are uncertain of the applicable duties.

Customs Holds and Seizures

Occasionally shipments may be held by customs authorities for inspection. This is normal and does not necessarily indicate a problem. If your shipment is held:

Contact us immediately at support@peptidesr4u.com with your order number
We will supply any additional documentation customs may require promptly
Do not attempt to collect a held package without first consulting us
In many cases a hold is resolved within 2–5 business days once we provide supporting paperwork

In the event of a permanent seizure or confiscation by customs authorities, Peptidesr4u.com accepts no liability for the loss. No refund or replacement will be issued where a seizure results from the buyer's failure to verify legal import status prior to ordering. Please refer to our Terms of Sale.

Need Help Before You Order?

📧 Email support@peptidesr4u.com before placing your order if you have any questions about import requirements for your country or a specific compound. We respond within 1 business day and will advise honestly if we cannot ship to your location.

VAT (UK Customers)

Peptidesr4u.com is VAT-registered in the United Kingdom. All prices on this website are displayed inclusive of 20% UK VAT. Our VAT registration number is available on request and appears on all invoices.

Many peptides are sensitive to heat, humidity, and light degradation. Peptidesr4u.com uses validated cold-chain packaging and logistics to ensure your products arrive in optimal condition.

Our Cold-Chain Standards

Lyophilised (freeze-dried) peptides stored at −20°C in our facility until despatch
Express and Priority shipments packed with pharmaceutical-grade dry ice or gel packs
Insulated EPS (expanded polystyrene) liner boxes validated to maintain 2–8°C for up to 72 hours
Temperature indicators included in all cold-chain shipments
DHL Express used exclusively for temperature-sensitive deliveries

Packaging by Product Type

Product Form	Storage Temp	Transit Packaging
Lyophilised powder	−20°C	Dry ice + insulated liner
Reconstituted solution	2–8°C	Gel packs + insulated liner
Room-temp stable	15–25°C	Standard padded packaging

Upon Receiving Your Order

Inspect the package immediately upon arrival
Check the temperature indicator — if it has been triggered, photograph and contact us before opening
Transfer lyophilised peptides to −20°C freezer storage immediately
Reconstituted peptides should be placed at 2–8°C (refrigerator) immediately
Do not refreeze previously thawed peptide solutions

Shelf Life and Stability

When stored correctly, lyophilised peptides supplied by Peptidesr4u.com have a minimum shelf life of 24 months from date of manufacture. The expiry date is stated on each vial label and in the Certificate of Analysis.

Damaged or Compromised Shipments

If you receive a shipment that shows signs of temperature excursion or physical damage, do not use the product. Contact us at support@peptidesr4u.com within 48 hours of delivery with photographs. Claims submitted after 48 hours may not be accepted.

💡 Tip: If you are ordering during summer months or to warm climates, we strongly recommend selecting our Express Cold Chain or Priority Overnight shipping option at checkout to minimise transit time.

Peptidesr4u.com is a UK-based research chemical supplier specialising in the manufacture, quality assurance, and global distribution of synthetic peptides for scientific research purposes.

Our Mission

We exist to make high-purity, certified research peptides reliably accessible to the global scientific community — from leading university research groups to independent researchers — at fair, transparent prices, with the documentation and support that serious science demands.

Our History

Founded in 2018, Peptidesr4u.com began as a small specialist supplier serving UK academic institutions. We have since grown to serve customers in over 60 countries, with a catalogue of more than 400 in-stock peptides and a bespoke custom synthesis service capable of producing virtually any sequence on demand.

Quality Standards

All peptides synthesised using solid-phase peptide synthesis (SPPS) under controlled conditions
Every batch tested by reverse-phase HPLC for purity confirmation
Identity verified by electrospray ionisation mass spectrometry (ESI-MS)
Certificate of Analysis (CoA) provided with every order as standard
Minimum purity guarantee of ≥98% on all catalogue items unless otherwise stated

Our Commitment

We are committed to responsible supply. All orders are subject to verification, and we reserve the right to decline any order where the intended use is unclear or inconsistent with legitimate research. We do not supply products intended for human or veterinary consumption.

Contact Us

Department	Email
General Orders	orders@peptidesr4u.com
Customer Support	support@peptidesr4u.com
Custom Synthesis	synthesis@peptidesr4u.com
Wholesale Accounts	wholesale@peptidesr4u.com

⚠️ Please read these Terms of Sale carefully before placing an order. By placing an order with Peptidesr4u.com you agree to be bound by these terms in full.

1. Definitions

"Company" means Peptidesr4u.com, a trading name registered in England and Wales. "Customer" means the individual or organisation placing an order. "Products" means the synthetic peptides and related research materials supplied by the Company. "Contract" means the agreement between the Company and the Customer formed upon acceptance of an order.

2. Research Use Only

All Products are sold strictly and exclusively for legitimate scientific research purposes. The Customer warrants that Products will not be used for: human or veterinary administration or consumption; cosmetic application; food or supplement manufacturing; or any other non-research purpose. Breach of this condition constitutes a material breach entitling the Company to terminate the Contract immediately and pursue all available legal remedies.

3. Eligibility

By placing an order, the Customer confirms they are: (a) aged 18 years or over; (b) acting in a professional research capacity; (c) authorised to purchase research chemicals under applicable law in their jurisdiction; and (d) not located in a jurisdiction where the import or possession of the ordered Products is prohibited.

4. Orders and Acceptance

An order placed by the Customer constitutes an offer to purchase. The Company reserves the right to accept or decline any order at its sole discretion without stating a reason. A Contract is formed only when the Company issues a written order confirmation. The Company reserves the right to conduct due diligence on customers and may request supporting documentation before processing an order.

5. Pricing and Payment

All prices are quoted in GBP and are exclusive of VAT, import duties, and shipping costs unless expressly stated otherwise. Prices displayed in other currencies are indicative only and subject to exchange rate fluctuation. Payment is due in full at time of order unless Net-30 credit terms have been agreed in writing. The Company accepts major debit/credit cards and bank transfer. Orders will not be despatched until payment has cleared.

6. Delivery

Estimated delivery times are provided as guidance only and do not form a contractual obligation. The Company shall not be liable for delays caused by couriers, customs authorities, force majeure events, or circumstances beyond its reasonable control. Risk in the Products passes to the Customer upon handover to the courier. Title passes upon receipt of cleared payment.

7. Import and Legal Compliance

The Customer is solely responsible for ensuring that importation and possession of the Products is lawful in their jurisdiction. The Company ships in good faith based on the Customer's representation that the transaction is legal. The Company accepts no liability for seizures, confiscation, fines, or legal consequences arising from the Customer's failure to comply with applicable import laws.

8. Returns and Refunds

Due to the nature of research chemicals, the Company does not accept returns of opened or4ued products. Defective or incorrectly supplied products must be reported within 48 hours of delivery with supporting evidence (photographs, CoA discrepancies). Where a valid claim is accepted, the Company will at its discretion offer a replacement or full refund. The Company's liability shall in no event exceed the purchase price of the relevant Products.

9. Limitation of Liability

The Company's total liability to the Customer under or in connection with a Contract shall not exceed the value of the relevant order. The Company shall not be liable for any indirect, consequential, special, or punitive damages, including loss of profits, loss of data, or loss of research. Nothing in these Terms limits liability for death or personal injury caused by negligence, fraud, or any other liability that cannot be excluded by law.

10. Intellectual Property

All content on this website including text, images, and the catalogue is the intellectual property of Peptidesr4u.com or its licensors. No content may be reproduced without prior written consent.

11. Governing Law and Jurisdiction

These Terms are governed by and construed in accordance with the laws of England and Wales. Any dispute arising out of or in connection with these Terms shall be subject to the exclusive jurisdiction of the courts of England and Wales.

12. Amendments

The Company reserves the right to amend these Terms at any time. The version in force at the time of your order will apply to that order. Current Terms are always available on our website.

13. Contact

For any queries relating to these Terms, contact us at orders@peptidesr4u.com.

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