About UK Peptides

About About UK Peptides

About UK Peptides is a research-grade peptide supplied by UK Peptide Store as a sterile lyophilised solid in a tamper-evident glass vial. Each batch is independently HPLC-tested to a minimum 98% purity and ships from a temperature-controlled UK warehouse via Royal Mail Tracked 24 or Tracked 48. A Certificate of Analysis (COA) is available for the exact lot you receive — quote the batch number printed on the vial label when emailing sales@ukpeptidestore.uk.

This product is offered strictly for laboratory research use. It is not a licensed medicine in the United Kingdom and we make no claim that it is safe or effective for human or veterinary use. UK researchers should review our UK peptide legality guide before placing an order, and follow all institutional safety, ethical and disposal protocols when handling lyophilised peptides.

• Product: About UK Peptides
• SKU: UKP-ABOUT-UK-PEPTIDE
• Purity: ≥98% HPLC-tested
• Form: Lyophilised solid in tamper-evident glass vial
• Storage: -20°C lyophilised; 2–8°C reconstituted (28 days)

Mechanism & research interest

About UK Peptides is among a growing class of synthetic and semi-synthetic peptides under investigation in the UK for receptor binding studies, pharmacokinetic modelling, and in-vitro signalling work. Sequence-defined peptides allow researchers to probe specific receptor and enzyme interactions with a level of selectivity that small-molecule libraries rarely match. Where applicable, modifications such as fatty-acid acylation, D-amino-acid substitutions, PEGylation and N-terminal acetylation extend half-life and resist enzymatic cleavage.

UK research groups typically use About UK Peptides to characterise binding affinity (K_d), to compare structure-activity relationships against analogous peptides, or to seed cell-culture and tissue-explant models. The lyophilised format we supply is preferred over solution-phase material because it remains stable for years at -20°C and lets the researcher control concentration precisely at the bench using bacteriostatic water and an insulin syringe.

Because each peptide molecule is sequence-defined, batch-to-batch consistency is governed by the synthesis route and downstream purification. Our supplier uses solid-phase peptide synthesis (SPPS) followed by reverse-phase HPLC purification and mass-spectrometry confirmation, so the COA you receive reflects the actual lot — not a generic specification.

Reconstitution protocol

Reconstitute lyophilised About UK Peptides with bacteriostatic water (0.9% benzyl alcohol). Direct the stream of water down the inside wall of the vial — do not inject water directly onto the peptide cake, which can shear delicate structures. Allow the vial to sit at room temperature for one to two minutes, then gently swirl until the solution is clear. Do not shake.

Worked example. A 5 mg vial reconstituted with 2 ml of bacteriostatic water yields a 2.5 mg/ml solution. A 250 µg research aliquot therefore corresponds to 0.1 ml, which on a U-100 insulin syringe reads as 10 units. The same vial provides 20 such aliquots before the 28-day refrigerated stability window closes.

Use the free UK Peptide Store reconstitution calculator to translate any combination of vial mg, water volume and target dose into U-100 syringe units in one step. The tool also reports concentration in mg/ml and µg/µl, doses-per-vial, and the cost per aliquot when you enter the line price.

Bacteriostatic water is preferred over sterile water for any vial that will be sampled more than once, because the benzyl alcohol preservative inhibits microbial growth across the multi-day refrigerated stability window. Single-use protocols can use sterile water, but the reconstituted solution should then be aliquoted and used within 24 hours.

Storage & stability

Lyophilised About UK Peptides is stable for at least 24 months at -20°C in its original sealed vial, protected from light. Short-term storage at 2–8°C is acceptable for transport and bench handling. Always allow the vial to reach room temperature before opening to prevent moisture condensing onto the dry peptide cake.

After reconstitution with bacteriostatic water, the solution should be refrigerated at 2–8°C and used within 28 days. Avoid repeated freeze-thaw cycles: if you need to store reconstituted material beyond 28 days, aliquot into single-use volumes and freeze at -80°C, accepting that some loss of biological activity may occur on thaw depending on the peptide’s tertiary structure.

Protect reconstituted solutions from direct light, especially for peptides containing tryptophan, tyrosine or methionine residues which can be photo-oxidised. Use amber tubes for extended bench work. Vortexing should be avoided — invert the vial gently to mix.

UK shipping & quality assurance

Every order ships from a UK warehouse via Royal Mail Tracked 24 or Tracked 48. Orders placed before 2 pm on a working day are dispatched the same day. Free Tracked 48 shipping applies to UK orders over £100. Packaging is plain, unbranded and discreet — there is no reference to peptides on the outer mailer, and the packing slip carries only an order reference.

Each batch of About UK Peptides is independently tested by reverse-phase HPLC to confirm a minimum purity of ≥98%. Mass-spectrometry confirmation is performed on every lot. The Certificate of Analysis is issued per batch and is available on request — email sales@ukpeptidestore.uk with the batch number printed on the vial label and we will send the PDF the same working day.

If a vial arrives damaged, tampered with, or shows visible cake collapse, photograph the vial and contact us within 48 hours of delivery for a free replacement. We retain a reserve sample of every batch to support disputes.

Payment, ordering & UK trade terms

Payment options at checkout include UK bank transfer, debit/credit card (Visa, Mastercard, Amex), Apple Pay, Google Pay, and BTC/USDT. Trade and academic accounts can request 30-day terms by emailing sales@ukpeptidestore.uk with a UK institutional purchase order. Bulk discounts apply automatically at the cart for multi-vial orders.

UK Peptide Store accepts orders only from UK addresses and only from buyers who confirm at checkout that the material will be used for laboratory research and not for human or veterinary administration. We reserve the right to refuse any order at our discretion.

UK legal status

Research peptides are not generally controlled substances under the Misuse of Drugs Act 1971. Some peptides are licensed in the UK as prescription medicines under different names — those licensed forms are prescription-only and are not what we sell. Research-grade About UK Peptides is supplied for laboratory research use only and is not a medicine. See our UK peptide legality guide for the full position.

Frequently asked questions

Is About UK Peptides legal to buy in the UK?

Yes — for laboratory research use. About UK Peptides is not scheduled under the Misuse of Drugs Act 1971 and is not a licensed medicine in the United Kingdom.

What purity is your About UK Peptides?

≥98% by reverse-phase HPLC, with a Certificate of Analysis available per batch.

How fast does it ship?

UK Royal Mail Tracked 24 or 48 — same-day dispatch on UK orders placed before 2 pm.

How should I reconstitute it?

Use bacteriostatic water (0.9% benzyl alcohol) directed down the side wall of the vial. Refrigerate the reconstituted solution at 2–8°C and use within 28 days.

How do I get the COA?

Email sales@ukpeptidestore.uk with the batch number printed on your vial label.

Can I order without a UK research affiliation?

You must confirm at checkout that the material will be used for laboratory research and not for human or veterinary administration.