Frequently Asked

Yes. Research peptides can be purchased legally in the UK for laboratory research purposes only. At Imperial Sciences, all products are clearly labelled “For Research Use Only – Not for Human Consumption”, in line with MHRA guidance.

Research peptides are short chains of amino acids — the fundamental building blocks of proteins. Scientists synthesise peptides by linking amino acids together using peptide bonds. By altering the amino acid sequence, researchers can study different biological properties and mechanisms in controlled laboratory settings.

Most peptides are manufactured using solid-phase peptide synthesis (SPPS). In simple terms:

The first amino acid is anchored to a solid support (such as a resin bead)
Additional amino acids are added sequentially in a defined order
Protective chemistry prevents unwanted reactions
The completed peptide is released, purified, and characterised
This controlled, stepwise process allows for the production of high-purity peptides suitable for research applications

⚠️ Important:
All products supplied by Imperial Sciences are for laboratory research use only. They are not medicines and must not be used by humans or animals.

Trustworthy research starts with trustworthy suppliers. Imperial Sciences exists to support researchers through quality, transparency, and regulatory compliance.

We provide:
High-purity research-use-only peptides
Certificates of Analysis (CoA) for every batch
Secure UK-based operations
Fast, tracked UK delivery

This allows researchers to focus on generating reliable data without uncertainty.

Yes. All peptides contain trace amounts of mannitol, a commonly used excipient.

Mannitol:
Ensures the vial is not visually empty due to the very small peptide mass
Improves peptide stability during lyophilisation
Aids solubility during reconstitution
Protects against degradation during storage

All orders are dispatched the next working day.
We ship via Royal Mail Tracked 24, which usually delivers the following working day (as estimated by Royal Mail).
You will receive a tracking number once your order has been dispatched.

⚠️ Delivery times are estimates and may vary during peak periods.

Our peptides are produced by experienced international manufacturing partners using SPPS.

Each batch is:
Independently tested by HPLC
Supplied with a full Certificate of Analysis
Clearly batch-labelled for traceability
Subject to final verification and quality checks in the UK before release

This layered quality-control approach ensures consistency, purity, and reliability.

⚠️ All products are supplied strictly for Research Use Only (RUO).

Quick Guide (Research Use Only):

Handling
Allow vials to reach room temperature before opening (reduces moisture exposure)
Work in a clean environment
Only remove the amount required for your experiment

Storage
Store lyophilised peptides at –20°C or below
Keep sealed with desiccant
Protect from moisture, heat, and light
Avoid repeated freeze–thaw cycles

Reconstitution
Reconstituted peptides are less stable than lyophilised form
Store at 2–8°C for short-term laboratory use

⚠️ Not for human or veterinary use.

No. Imperial Sciences does not supply blended peptides.

Reasons include:
Scientific accuracy: Fixed ratios may not suit most research protocols
Measurement precision: Individual peptide amounts cannot be accurately verified in blends
Research flexibility: Separate peptides allow precise experimental control
Data reliability: Individual compounds support reproducibility

Our recommendation: Purchase peptides individually and combine only within your controlled experimental design.

Yes. Every peptide batch supplied by Imperial Sciences includes a Certificate of Analysis (HPLC), allowing verification of purity and identity.

Peptides are typically supplied at ≥99% purity (HPLC tested). Exact purity values are stated on the CoA for each batch.

Each vial is clearly labelled.

The batch number format combines:
SKU code
Expiry date

Example: BPC10-03/27
This links directly to the corresponding Certificate of Analysis.
Please quote the batch number when contacting us regarding quality or documentation.

As part of our inventory management process, stock from a verified batch may be released in stages following internal checks and reconciliation. This means additional units can become available under the same batch number after a restock.

Vial cap colours may vary between units due to packaging component availability during synthesis. These variations are part of normal inventory and supply management and do not affect the product contents, quality, or batch traceability.

All products are batch-controlled, stored under appropriate conditions, and supplied strictly for laboratory research use only.

A peptide reconstitution calculator helps determine correct diluent volumes and resulting concentrations. Our free online calculator is designed for laboratory research use only.

Who can use the calculator?
The calculator is intended for:
Researchers
Laboratories
Life sciences professionals
It is not designed for medical or clinical use.

What units does the calculator support?
Milligrams (mg)
Micrograms (mcg)
Millilitres (mL)
U-100 and U-50 syringe scales

Can the calculator perform IU conversions?
Yes. If a peptide has a known IU-per-mg conversion factor, the calculator can compute IU values for laboratory reference.

Is the calculator suitable for medical dosing?
No. It is a research-only calculation tool and must not be used for human or veterinary dosing.

A peptide mixing solution is a sterile laboratory diluent used to reconstitute lyophilised peptides for research workflows.

Is the solution sterile?
Yes. The solution is supplied sterile to support accurate laboratory preparation.

Can it be used for human or veterinary applications?
No. It is supplied strictly for Research Use Only (RUO).

Yes. Imperial Sciences is the parent company of Imperial Peptides UK. Imperial Peptides UK continues to operate as a brand, while Imperial Sciences provides expanded research infrastructure and listings.

Pay-By-Bank is a secure payment method that allows you to make a direct bank transfer using your online banking app. It uses UK Open Banking technology, regulated by the Financial Conduct Authority (FCA).
You authorise the payment directly with your bank. No card details are shared.

How does Pay-By-Bank work?

Select Pay-By-Bank at checkout

Choose your bank

Log in to your banking app or online banking

Approve the payment

You’re instantly returned to our website

Payments usually confirm immediately.

Is Pay-By-Bank safe?

Yes. Pay-By-Bank is one of the most secure payment methods available in the UK.

Regulated by the FCA

Uses your bank’s own authentication (biometrics, PIN, or passcode)

We never see or store your banking details

No card fraud or chargeback risk

Many UK banks actively recommend Open Banking payments.

Why don’t you accept card payments?

Research-use-only scientific materials fall into high-risk merchant categories, which makes card processing more restrictive and frequently reviewed.

Pay-By-Bank allows us to:

Keep prices competitive

Avoid unnecessary card processing delays

Maintain uninterrupted service to UK researchers

This is common across the scientific research supply sector.

What banks support Pay-By-Bank?

Most major UK banks support Open Banking, including:

Barclays

Lloyds

HSBC

NatWest

Santander

Monzo

Starling

If your bank is supported, it will appear at checkout automatically.

Do you store my bank details?

No.
We never store:

Bank login details

Account passwords

Security codes

All authorisation happens inside your bank’s own environment.