---
name: Bio-Synthesis, Inc.
slug: biosyn
site: cdmo
website_domain: biosyn.com
summary: Custom DNA, RNA, siRNA, and ASO oligonucleotide synthesis, custom peptide manufacturing, and project-specific bioconjugation. Support extends from research through analytical QC, process development, and scale-up.
tagline: Integrated CDMO platform for custom oligonucleotide, peptide, and bioconjugation services
founded_year: 
employee_count_band: 
employee_count_label: 
parent_name: 
parent_slug: 
hq_country: 
tier2_domain_verified: false
updated_at: 2026-11-08T07:00:53.350Z
services_count: 7
modalities_count: 3
indications_count: 0
locations_count: 0
review_signal_gate: closed
generated_by: BioBM Editorial AI
---

# Bio-Synthesis, Inc.

Integrated CDMO platform for custom oligonucleotide, peptide, and bioconjugation services

Listed on cdmo.directory.

## Summary

Custom DNA, RNA, siRNA, and ASO oligonucleotide synthesis, custom peptide manufacturing, and project-specific bioconjugation. Support extends from research through analytical QC, process development, and scale-up.

## Services

- Oligonucleotide Manufacturing
- Peptide Manufacturing
- Bioconjugation Services
- CMC Analytical Development
- Quality Control Testing
- Process Development
- Stability Testing & Storage

## Modalities

- Oligonucleotide
- Peptide
- Antibody-Drug Conjugate (ADC)

## Long description

Bio-Synthesis, Inc. describes itself as an integrated CDMO platform that brings nucleic acid synthesis, peptide manufacturing, bioconjugation, molecular biology, analytical testing, and scale-up support within one scientific organization.

**Oligonucleotide capabilities**
- Custom DNA, RNA, PNA, Morpholino, siRNA, and ASO synthesis, with extensive modification, conjugation, purification, and scale-up options.
- Complex oligonucleotide and conjugate work, including peptide–oligo conjugates, GalNAc and targeting ligands, lipid conjugates, and specialty linkers.
- Oligo process development, analytical method development, release QC, and stability studies.

**Peptide and conjugation capabilities**
- Custom peptide synthesis from research through development, including difficult sequences, advanced modifications, purification, and analytical characterization.
- Project-specific conjugation of oligonucleotides, peptides, proteins, antibodies, lipids, fluorophores, targeting ligands, polymers, and small molecules.

**Other services**
- Custom cloning, gene synthesis, mutagenesis, and sequencing support.
- Ready-to-order research reagents for life-science workflows, alongside fee-for-service development and manufacturing work.

The company states it can help evaluate manufacturability and develop a practical synthesis strategy for programs with unusual modifications, multiple conjugations, or demanding scale-up requirements.

## Related companies

- [Creative Peptides](/companies/creative-peptides) (Peptide Manufacturing, Bioconjugation Services) — [Compare](/compare/biosyn/creative-peptides)
- [Global Biotech Laboratories](/companies/globalbiotechlaboratories) (Oligonucleotide Manufacturing, Peptide Manufacturing) — [Compare](/compare/biosyn/globalbiotechlaboratories)
- [Ajinomoto Bio-Pharma Services](/companies/ajibio-pharma) (Oligonucleotide Manufacturing, Peptide Manufacturing) — [Compare](/compare/ajibio-pharma/biosyn)
- [CPC Scientific](/companies/cpcscientific) (Oligonucleotide Manufacturing, Peptide Manufacturing) — [Compare](/compare/biosyn/cpcscientific)
- [Sinopep-Allsino Biopharmaceutical Co., Ltd.](/companies/sinopep) (Oligonucleotide Manufacturing, Peptide Manufacturing) — [Compare](/compare/biosyn/sinopep)
- [Bachem](/companies/bachem) (Oligonucleotide Manufacturing, Peptide Manufacturing) — [Compare](/compare/bachem/biosyn)
- [Porton](/companies/portonpharma) (Oligonucleotide Manufacturing, Peptide Manufacturing) — [Compare](/compare/biosyn/portonpharma)
- [atdbio](/companies/atdbio) (Oligonucleotide Manufacturing, CMC Analytical Development) — [Compare](/compare/atdbio/biosyn)

_Profile last updated: 2026-11-08T07:00:53.350Z. Profile facts may include AI-assisted enrichment._

Auto-generated by BioBM Editorial AI for machine-readable profile access.