Direct peptide manufacturer · Catalogue · Custom · OEM

High-purity peptide materials,
documented from synthesis to dispatch.

Factory-direct peptide manufacturing and B2B supply for laboratories, biotechnology companies, contract research organisations and distributors — with flexible specifications, documented quality and international delivery support.

Browse the catalogue Request a quotation
71 catalogue references COA & batch records 35+ countries served
Certificate of Analysis, every batch RP-HPLC purity determination Mass-spectrometry identity Lot-level traceability records Insulated & cold-chain dispatch Worldwide institutional supply
Who we supply

A supply partner built around documentation, not marketing.

Procurement in the peptide sector fails for predictable reasons: specifications that do not match the packing list, purity figures without a method, batch records that cannot be traced, or a supplier who cannot answer a technical question in writing.

TopPep is organised around those failure points. Catalogue references, sequence classes, analytical methods, documentation format and shipping conditions are agreed before the order is placed, and the same information is issued again with the shipment.

  • Catalogue and custom. 71 catalogue references across 8 research areas, plus sequence-to-delivery custom synthesis.
  • Documented release. Identity, purity, method and lot number on a Certificate of Analysis for every batch.
  • Procurement-ready. Quotations, framework terms and documentation formats prepared for institutional review.
About TopPep Supplier profile

Synthesis

Solid-phase and flow-assisted routes with in-process monitoring. Feasibility reviewed before quotation.

Analysis

Identity by mass spectrometry and purity by reverse-phase HPLC, with method conditions recorded.

Documentation

Certificate of Analysis, chromatograms, spectra and lot records assembled to your required format.

Logistics

Sealed vials with desiccant, ambient or insulated packaging, cold chain where the specification requires it.

Catalogue by research area

Eight research areas, one documentation standard

Browse reference materials by the research area they are studied in. Each entry documents sequence class, molecular weight, purity specification, form and handling notes.

01

Weight Management

Metabolic research peptides 13 items
02

Anti-Aging

Longevity-focused research 6 items
03

Muscle Growth

Performance research peptides 14 items
04

Recovery

Repair and recovery research 18 items
05

Cognitive

Neurological research peptides 6 items
06

Immune Support

Immune-system research 2 items
07

Sexual Health

Reproductive health research 6 items
08

Skin Care

Cosmetic peptide research 6 items
Frequently requested

Reference materials most often requested for review

Each product page is a procurement dossier: specification table, documentation package, handling notes, shipping conditions and a specification request form.

PopularReta reference material — Modified peptide
Weight Management Reta Triple-receptor research agonist studied in metabolic pathway models.
99%+ Modified peptide Lyophilized powder
View procurement dossier
PopularTirz reference material — Modified peptide
Weight Management Tirz Dual incretin receptor research compound for comparative study.
99%+ Modified peptide Lyophilized powder
View procurement dossier
PopularBPC-157 reference material — Peptide
Recovery BPC-157 Pentadecapeptide studied in tissue repair research models.
98%+ Peptide Lyophilized powder
View procurement dossier
GLOW reference material — Peptide blend
Recovery GLOW Three-component cosmetic-research blend.
98%+ Peptide blend Lyophilized powder
View procurement dossier
PopularKLOW reference material — Peptide blend
Recovery KLOW Quad-component research blend for combined tissue studies.
98%+ Peptide blend Lyophilized powder
View procurement dossier
PopularGHK-Cu reference material — Copper peptide
Skin Care GHK-Cu Copper tripeptide complex for dermal research and formulation.
98%+ Copper peptide Lyophilized powder
View procurement dossier
PopularNAD+ reference material — Coenzyme
Anti-Aging NAD+ Nicotinamide adenine dinucleotide for cellular metabolism research.
99%+ Coenzyme Lyophilized powder
View procurement dossier
PopularIpamorelin reference material — Peptide
Muscle Growth Ipamorelin Selective ghrelin receptor research pentapeptide.
98%+ Peptide Lyophilized powder
View procurement dossier
View all 71 catalogue items
How supply works

Four inputs turn an enquiry into a firm quotation

Providing these at first contact removes the usual round of clarification emails.

01

Reference or sequence

Catalogue reference, or the target sequence with any modifications. Confidentiality terms can be agreed first.

02

Specification

Target purity, quantity, form and any analytical requirement you need the batch released against.

03

Destination & documents

Destination country, required document format, labelling and internal reference or tender number.

04

Quotation & release

A written quotation returns with specification, documentation package, lead time and shipping terms.

Start a specification request Read the ordering guide
Documentation package

What arrives with the material

Documentation is not an accessory. Buyers receiving material for the first time should be able to verify identity and purity without asking a further question.

TOPPEP
Certificate of AnalysisTP-RETA-001 · Lot 2609A
ProductReta reference material
AppearanceWhite lyophilized powder
Identity (MS)Conforms
Purity (RP-HPLC)99.2% area
Method0.1% TFA / ACN gradient
ColumnC18, 4.6 × 250 mm
Release date2026-09-18
Retest2028-09-18
Certificate of Analysis
Batch record availableReleased
TOPPEP
Certificate of AnalysisTP-RETA-001 · Lot 2609A
DetectorUV 214 nm
Flow rate1.0 mL/min
Gradient5–65% B over 30 min
Purity99.2% area
Main peak RT14.82 min
Impurity total0.8% area
AnalystRP / QC-04
InstrumentHPLC-07 (qualified)
HPLC Chromatogram
Batch record availableReleased
TOPPEP
Certificate of AnalysisTP-RETA-001 · Lot 2609A
IonisationESI positive
Observed m/z1578.4 [M+3H]³⁺
Theoretical MW4731.4 Da
Observed MW4731.1 Da
Deviation0.06 Da
ResultIdentity conforms
Acquisition2026-09-17
InstrumentMS-03 (calibrated)
Mass Spectrum
Batch record availableReleased
TOPPEP
Certificate of AnalysisTP-RETA-001 · Lot 2609A
Batch number2609A
Synthesis date2026-09-05
PurificationRP-HPLC, two cycles
Filling date2026-09-16
Vial count420 units
Storage−20 °C, desiccated
Dispatch recordOn file
Retained sampleYes, 24 months
Batch Traceability Record
Batch record availableReleased
The examples above illustrate the field structure of the documentation package. Actual batch values are issued per lot. Documentation format can be adapted to an institutional template at quotation stage.
Built-in verification

Clear batch documentation lets buyers verify before the order, not after delivery.

Every released vial carries a batch number. Enter it below to see the document structure that will be issued with that lot — Certificate of Analysis, chromatogram, spectrum and traceability record — together with the fields the receiving laboratory will read first.

  • Identity by mass spectrometry, reported against theoretical molecular weight.
  • Purity by reverse-phase HPLC, with method conditions and column stated.
  • Lot-level synthesis, purification and filling dates, with a retained sample.
  • Documents issued with the shipment, not supplied retrospectively on request.
Open the verification page Documentation formats
Batch lookupSample

Demonstration form. Batch records are released to the purchasing institution together with the quotation and the shipment.

Why buyers work with us

Built to survive a procurement review

Documentation before dispatch

The certificate, method details and lot record are assembled and checked against the order before the parcel is sealed — not sent afterwards on request.

Sequence-to-delivery custom work

Feasibility, purity target, analytical release criteria and documentation are agreed in writing before synthesis begins.

Lot-level traceability

Every unit is traceable to a batch number, a synthesis date and a retained sample, so a downstream query can be answered years later.

Condition-controlled logistics

Packaging and temperature regime are matched to the specification, with insulation or cold chain recorded on the dispatch note.

Quotation in institutional format

Written quotations carry specification, documentation package, lead time, shipping terms and a validity period for internal approval.

Clear intended-use position

We state plainly that materials are for laboratory research use. Buyers receive a consistent, defensible answer for their own compliance file.

Operating profile

What the supply desk holds ready

71
Catalogue reference materials
8
Research areas covered
24–72h
Typical dispatch, catalogue items
12–36 hours
Quotation turnaround
Figures describe the current catalogue and normal despatch performance for catalog items. Custom synthesis and bulk timelines are stated on the individual quotation. Values are indicative and do not form part of a supply contract.
From the procurement file

Notes from buyers who requested documentation

Short extracts describing the procurement experience. Organisations are described by type and region; names are withheld by policy.

AB
Analytical laboratoryCentral Europe

The certificate arrived with the parcel rather than after it. Purity method and column conditions were stated, which is what our reviewer needed to sign off the receipt.

Reta · Lot 2609AVerified enquiry
CD
University research groupSoutheast Asia

We asked for a documentation format matching our internal template and received it in the quotation. No further clarification was needed at goods-in.

BPC-157 · Lot 2607CVerified enquiry
EF
Contract research organisationNorth America

Cold-chain requirement was confirmed in writing before dispatch and recorded on the note. Temperature logger data was supplied with the delivery record.

Custom sequenceVerified enquiry
GH
Testing laboratoryMiddle East

We ordered an evaluation quantity first. Identity and handling matched the documentation, so the framework order followed without re-qualification.

GHK-Cu · Lot 2608DVerified enquiry
IJ
Pharmaceutical developmentSouth Asia

The quotation listed specification, documentation package and lead time in one document, which made internal approval straightforward.

Tirz · Lot 2609BVerified enquiry
KL
DistributorLatin America

Bulk input material was quoted per project with a clear specification sheet. Shipment documentation matched exactly what had been agreed.

Bulk peptide inputVerified enquiry
Extracts describe the procurement and documentation experience of buyers who placed an enquiry through this site. They are not statements about the properties or effects of any material, and they are not endorsements of any human or veterinary application.
Procurement desk

Named contacts, verifiable channels

Enquiries are handled by named staff using published desk details. If you are contacted by someone using our name through another channel, verify before proceeding.

SL
Shirley Lam
Supply Manager · Global accounts
shirley@gettoppep.com WhatsApp · listed desk number
KH
Kelvin Ho
Technical Sales · Custom synthesis
kelvin@gettoppep.com WhatsApp · listed desk number
JF
Joanne Fong
Procurement Desk · Catalog & bulk
joanne@gettoppep.com WhatsApp · listed desk number
DY
Derrick Yuen
Regional Account · EMEA
derrick@gettoppep.com WhatsApp · listed desk number
AC
Amy Chong
Documentation · COA & batch records
amy@gettoppep.com WhatsApp · listed desk number
NL
Nathan Lau
Regional Account · APAC
nathan@gettoppep.com WhatsApp · listed desk number
TopPep does not approach buyers through unsolicited direct messages. The contacts above, the address on the Contact page and the email domain gettoppep.com are the only official channels. Report any other approach to us.
From order to dispatch

The release path behind every shipment

01

Synthesis

Solid-phase or flow-assisted assembly against the agreed sequence and modification set, with in-process checks.

02

Purification & analysis

Preparative chromatography followed by identity and purity determination to the agreed release criteria.

03

Documentation review

Certificate, method records and lot traceability assembled and checked against the order before packing.

04

Pack, seal, dispatch

Sealed vials with desiccant, condition-appropriate packaging, dispatch record and documentation enclosed.

Procurement checklist

Eight questions to ask before signing off a receipt

Use this list during supplier qualification or goods-in review. Printable as a one-page A4 checklist.

Open printable checklist
01
Identity method statedMass spectrometry, with the ionisation method and observed mass recorded.
02
Purity method statedReverse-phase HPLC, with wavelength, gradient and column recorded.
03
Lot number on the labelMatches the lot number printed on the certificate.
04
Retest date presentA defined retest or expiry date, not “use within X months”.
05
Retained sample positionConfirmation that a retained sample is held against the lot.
06
Shipping conditionsTemperature regime, packaging and dispatch documentation agreed in advance.
07
Documentation formatCertificate issued in the format your goods-in procedure accepts.
08
Intended-use positionSupplier states research-use-only position clearly and in writing.
Frequently asked

Questions the procurement desk receives

24 answers covering ordering, documentation, shipping, handling and the limits of the support we can provide.

Our catalogue is supplied to research institutions, analytical laboratories, contract research organisations, universities and registered commercial buyers. We ask for organisation details and the intended research application at enquiry stage so the correct documentation can be prepared.
Standard shipments include a Certificate of Analysis covering identity, purity and method, plus the corresponding batch record reference. HPLC chromatograms and mass spectra are provided on request. Custom synthesis projects receive the release documentation agreed in the quotation.
Lyophilized material is dispatched in sealed vials with desiccant. Ambient, insulated and cold-chain options are all available; the appropriate choice is confirmed with the quotation and recorded on the dispatch note.
Catalog items are typically dispatched within 24–72 hours of confirmed order. Custom synthesis timelines depend on sequence length, modifications and quantity, and are stated on the individual quotation.
Send the catalogue reference or target sequence, required purity, quantity, destination country and intended research application. The procurement desk returns a formal quotation with specification, documentation package, lead time and shipping terms.
Catalog reference materials can be ordered in single units. Bulk input materials and custom synthesis are quoted per project, and pricing scales with quantity and specification.
Bank transfer is standard. For institutional buyers and larger orders, letter of credit and procurement platform transactions can be arranged. Payment terms are stated on the quotation.
Yes. Evaluation quantities of catalog items are available so that identity and handling can be verified internally before a larger supply agreement is put in place.
All 24 questions
Insights & notes

Procurement and technical notes

Short working notes on specification writing, documentation review, shipping conditions and analytical interpretation.

Procurement

From RFQ to Approved Specification: A Practical Procurement Path

How a specification request becomes an approved supply document — the review stages, the information buyers should submit, and what to expect at each step.

Sep 23, 2026
Procurement

What Institutional Buyers Should Include in a Supplier File

A supplier file is the working record behind every qualified purchase. Here is the documentation set that keeps procurement review efficient.

Sep 23, 2026
Documentation

Planning Peptide Packaging and Documentation Requirements

Packaging format, labelling and batch documentation are usually decided late. Planning them at the quotation stage prevents avoidable rework.

Sep 23, 2026
Documentation

Requesting Batch Documents: What to Ask For and When

A practical checklist for requesting Certificate of Analysis, HPLC records and traceability information at the right point in a project.

Sep 8, 2026
Procurement

Planning a Peptide Supply Request

Sequence or catalogue reference, target purity, quantity and destination — the four inputs that determine how quickly a quotation can be prepared.

Sep 8, 2026
Procurement

Structuring a Peptide Sourcing Inquiry for Faster Review

Vague enquiries cost time on both sides. Structuring the first message around specification inputs shortens the path to a usable quotation.

Aug 26, 2026
All notes

Request a specification and quotation

Send the catalogue reference or target sequence, required purity, quantity and destination. The procurement desk returns a formal quotation with the documentation package and lead time.

Request quote Procurement guides