Research Handbook
The Research Peptide Handbook
How laboratories evaluate, receive and document research-grade peptides: what to demand from a supplier, how to read a certificate of analysis, how to handle material at the bench, and a factual index of every compound in our catalog with its lot documentation.
1. Six things to demand from any supplier
Price and packaging tell you nothing. These six do.
01
A certificate for the exact lot
Not a generic COA for the compound — one that names the lot number printed on the vial you received. If the two don't match, the certificate isn't evidence for your material.
02
Purity by HPLC
Reversed-phase HPLC at 220 nm is the standard for peptide purity. The report should show the chromatogram or at least the method, the column conditions and the integrated purity percentage.
03
Identity by mass spectrometry
Purity tells you how much of the sample is one thing; it doesn't tell you what that thing is. A mass-spec result with the observed mass against the theoretical molecular weight is what confirms identity.
04
An independent, accredited laboratory
Third-party testing by a lab accredited to ISO/IEC 17025 means the method and the reporting were audited by someone other than the seller.
05
Traceability on the vial
Lot number, compound name and net content on the label, matching the certificate and the order documentation. Anything hand-written or missing is a red flag.
06
Written policies
Shipping, refunds, and research-use terms published where you can read them before you order — and a real contact channel behind them.
How we do it: Quality & testing · every published certificate: COA library.
2. How to read a certificate of analysis
| Field | What to look for |
|---|---|
| Compound / sequence | The material name and, for peptides, the amino-acid sequence the lot was tested against. |
| Lot number | The batch identifier. Must match the vial label. |
| Test date | When the analysis was run — recent relative to the ship date. |
| Method | For purity: RP-HPLC with wavelength (typically 220 nm), column and gradient. For identity: LC-MS or MALDI. |
| Purity (%) | The integrated area of the main peak. Research suppliers typically specify ≥ 99% for single peptides; blends report per component or as a combined result. |
| Observed vs. theoretical mass | The mass-spec identity check. The observed value should sit within the instrument's tolerance of the calculated molecular weight. |
| Appearance | Lyophilized peptides are typically a white to off-white powder; reconstitution solutions are clear liquids. |
| Laboratory and signature | Who ran the test, their accreditation, and an authorizing signature or report ID you can verify. |
3. Receiving, storage and handling at the bench
Lyophilized material
Store sealed at −20 °C, protected from light and moisture. Allow vials to reach room temperature before opening so condensation doesn't form on the powder.
Reconstituted solutions
Refrigerate at 2–8 °C and follow the stability window your laboratory protocol specifies. Label the vial with the date, diluent and concentration.
Diluent
Use a sterile diluent appropriate to your protocol; our laboratory supply is a sterile reconstitution solution. Add diluent slowly down the vial wall and swirl gently — don't shake — to avoid foaming and shear.
Documentation
File the certificate of analysis with the lot number, the receiving date and the storage conditions. A traceable chain from order to bench is what auditors and reviewers ask for.
Technique
Aseptic technique, single-use consumables, and a clean surface. Treat every vial as a laboratory reagent.
4. Compound index
Every catalog item with its identifiers and, where published, the certificate for the current lot. Category descriptions describe the research model the material is characterized for — not an effect in any organism.
Receptor Signaling Research
Browse category →Receptor-agonist reference compounds for signaling and pathway models.
| Compound | Per vial | CAS | Spec | Documentation |
|---|---|---|---|---|
| DIALED-3RT | 10 MG | 2381089-83-2 | ≥ 99% HPLC | COA · lot 874554 |
| DIALED-2TZ | 10 MG | 2023788-19-2 | ≥ 99% HPLC | COA · lot 698713 |
| DIALED-1SM | 10 MG | 910463-68-2 | ≥ 99% HPLC | COA · lot 876958 |
| DIALED-CAG | 10 MG | 1415456-99-3 | ≥ 99% HPLC | COA · lot 778220 |
| MOTS-C | 10 MG | 1627580-64-6 | ≥ 99% HPLC | COA · lot 687513 |
| 5-Amino-1MQ | 10 MG | 42464-96-0 | ≥ 99% HPLC | COA · lot 546024 |
| DIALED-ELORA | 10 MG | — | ≥ 99% HPLC | COA ships with the order |
Tissue Structure Research
Browse category →Extracellular-matrix and tissue-model reference peptides for structural biology work.
| Compound | Per vial | CAS | Spec | Documentation |
|---|---|---|---|---|
| BPC-157 | 5 MG | 137525-51-0 | ≥ 99% HPLC | COA · lot 687514 |
| TB-500 | 5 MG | 77591-33-4 | ≥ 99% HPLC | COA · lot 687531 |
| GHK-Cu | 100 MG (+2 sizes) | 89030-95-5 | ≥ 99% HPLC | COA · lot 687513 |
Endocrine Research Models
Browse category →Secretagogues and hormonal-axis references for endocrine signaling work.
| Compound | Per vial | CAS | Spec | Documentation |
|---|---|---|---|---|
| Ipamorelin | 5 MG | 170851-70-4 | ≥ 99% HPLC | COA · lot 687529 |
| CJC-1295 (No DAC) | 5 MG | 863288-34-0 | ≥ 99% HPLC | COA · lot 687527 |
| DIALED-TESA | 5 MG | 218949-48-5 | ≥ 99% HPLC | COA · lot 546563 |
| HCG | 5000 IU | 9002-61-3 | Glycoprotein hormone (~37.9 kDa) | COA · lot 687521 |
| CJC-1295 DAC | 5 MG | 863288-34-0 | GRF(1-29) analog + DAC | COA · lot 110220 |
| GHRP-6 | 5 MG | 87616-84-0 | ≥ 99% HPLC | COA · lot 999658 |
Cellular Research Compounds
Browse category →Mitochondrial and NAD-pathway compounds for cellular bioenergetics research.
| Compound | Per vial | CAS | Spec | Documentation |
|---|---|---|---|---|
| NAD+ | 500 MG | 53-84-9 | ≥ 99% HPLC | COA · lot 641358 |
| Glutathione | 1500 MG | 70-18-8 | ≥ 99% HPLC | COA · lot 778789 |
| Epithalon | 10 MG | 307297-39-8 | ≥ 99% HPLC | COA · lot 778220 |
| DIALED-31 | 10 MG | 736992-21-5 | ≥ 99% HPLC | COA · lot 778220 |
| IGF-1 LR3 | 1 MG | 946870-92-4 | ≥ 99% HPLC | COA · lot 688813 |
Neurochemical Research
Browse category →Nootropic and neuroactive peptides for CNS and behavioral models.
| Compound | Per vial | CAS | Spec | Documentation |
|---|---|---|---|---|
| Semax | 5 MG | 80714-61-0 | ≥ 99% HPLC | COA · lot 687519 |
| Selank | 5 MG | 129954-34-3 | ≥ 99% HPLC | COA · lot 687517 |
| DSIP | 5 MG | 62568-57-4 | ≥ 99% HPLC | COA · lot 876958 |
| Pinealon | 10 MG | 175175-23-2 | ≥ 99% HPLC | COA ships with the order |
Regulatory Pathway Research
Browse category →Bioregulator and homeostasis reference compounds for systemic-signaling models.
| Compound | Per vial | CAS | Spec | Documentation |
|---|---|---|---|---|
| KPV | 10 MG | 67727-97-3 | ≥ 99% HPLC | COA · lot 778220 |
| Melanotan 2 | 10 MG | 121062-08-6 | ≥ 99% HPLC | COA · lot 444521 |
| Melanotan 1 | 10 MG | 75921-69-6 | ≥ 99% HPLC | COA · lot 766690 |
Multi-Compound Research
Browse category →Pre-combined multi-peptide reference materials characterized for combination studies.
| Compound | Per vial | CAS | Spec | Documentation |
|---|---|---|---|---|
| BPC-157 + TB-500 | 10 MG | blend | ≥ 99% HPLC | COA · lot 774620 |
| CJC-1295 + Ipamorelin | 10 MG | blend | ≥ 99% HPLC | COA · lot 687516 |
| BPC-157 + GHK-Cu + TB-500 | 70 MG | blend | ≥ 99% HPLC | COA · lot 210369 |
| KPV + GHK-Cu + TB-500 + BPC-157 | 80 MG | blend | ≥ 99% HPLC | COA · lot 523220 |
Laboratory Supplies
Browse category →Sterile diluents and consumables for laboratory workflows.
| Compound | Per vial | CAS | Spec | Documentation |
|---|---|---|---|---|
| Reconstitution Solution | 10 ML | 7732-18-5 | Sterile water + 0.9% benzyl alcohol | COA · lot 468125 |
5. Glossary
- RUO
- Research use only — material intended for laboratory research, not for human or veterinary use, diagnosis, or treatment.
- COA
- Certificate of analysis: the lot-specific test report from an analytical laboratory.
- HPLC
- High-performance liquid chromatography — separates the components of a sample so purity can be quantified.
- LC-MS
- Liquid chromatography coupled to mass spectrometry — confirms identity by molecular mass.
- CAS number
- The Chemical Abstracts Service registry number that uniquely identifies a substance.
- Lyophilized
- Freeze-dried. Peptides are usually supplied this way for stability.
- Lot / batch
- Material produced and tested together; the unit the certificate refers to.
- Purity vs. identity
- Purity: how much of the sample is the main peak. Identity: whether that peak is the intended compound. You need both.
- ISO/IEC 17025
- The international accreditation standard for testing laboratories.
What arrives with every order
- ✓ Lot number and compound name on every vial
- ✓ The lot's certificate of analysis in the box and in the COA library
- ✓ Third-party testing by an ISO/IEC 17025-accredited laboratory
- ✓ Cold-chain-appropriate packaging and same-day dispatch before 2 PM ET
All products are sold strictly for laboratory research use and are not for human or veterinary use, diagnosis, or treatment. Statements on this page describe analytical documentation and laboratory handling; they are not claims about any compound's effects. See our Terms, Site Entry Terms and Checkout Terms.