Most delays in custom synthesis trace back to an incomplete specification at the enquiry stage. A well-formed request lets a laboratory quote both price and schedule without a second round of clarification.
Six parameters to define up front
| Parameter | Typical range or options |
|---|---|
| Sequence length | Standard 5–60 aa; longer sequences on request |
| Purity grade | crude / 95% / 98% / 99% / >99% by RP-HPLC |
| Modifications | Cyclic, phosphorylated, biotin- or FITC-labeled, PEGylated, disulfide-paired |
| Scale | mg research batches · g pilot · kg GMP production |
| Documentation | COA, HPLC trace, LC-MS identity; NMR / AAA / endotoxin on request |
| Form | Lyophilized powder, solution, or formulated and lyophilized vials |
How an order runs
- Requirement review — sequence, modification, purity and scale confirmed with the lab team.
- Quotation and schedule — MOQ and lead time quoted per project.
- Synthesis — solid-phase synthesis with in-process controls.
- Analytical release — HPLC, MS and supporting data issued per batch.
- Shipment — temperature-controlled packaging and export documentation arranged.
Minimum order quantity and lead time are quoted per project: both depend on sequence length, modifications and batch size. Where a programme is expected to scale, it is worth stating that at the outset so the same quality system can carry the work from milligram research batches through to GMP-grade production.
All peptides are supplied for research use only. Not for human or veterinary use, and not intended for therapeutic, diagnostic, cosmetic or injection applications.
Common questions
Are Helios Bio Labs peptides supplied for research use only?
Yes. Every peptide is supplied for research use only. It is not for human or veterinary use, and not for therapeutic, diagnostic, cosmetic or injection application.
Which documents accompany a batch?
A batch-linked certificate of analysis stating method, result, specification and a pass/fail conclusion, together with the raw HPLC trace and the MS spectrum. MSDS and a packing list travel with the shipment.
Can additional analytical testing be commissioned?
Yes. Testing can be commissioned for a specific batch. Send the method, the specification and the sample quantity through the inquiry form and the team will confirm feasibility and turnaround.
Keywords: custom peptide specification · peptide synthesis lead time · peptide modifications · GMP peptide production