Growscience is now offering new customers up to 20% off. Please reach out to be connected with one of our experts.
Cross icon

Pushing the boundaries of peptide research

With decades of experience in peptide R&D and catalog peptide synthesis, we offer reliable and tailored solutions for your peptide synthesis and conjugation needs.
Get Started
Custom Peptide Synthesis
Offering peptide synthesis, conjugation and modification services, including methylation, acetylation, phosphorylation, and amidation, among others.
  • Fmoc solid-phase synthesis (standard) and GMP peptide synthesis (upon request)
  • CoA, MS spectra, and HPLC chromatograms provided with each peptide
  • As low as $3/AA or $80/peptide for custom peptide synthesis services
Custom peptide synthesis
99%
Success rate. Order online today.
Peptide synthesis up to 150 AA with a wide array of modifications offered. Guaranteed purity and quantity. From crude to ≥98% purity.
lead time
10 days
No win - no pay
Quantity
1 mg to 1 kg
purity
≥98%
Peptide Catalog
Growscience has a collection of over 450 catalog peptide sequences categorized across 14 research areas. Every catalog peptide is shipped with a certificate of analysis containing the HPLC chromatogram, identity, and purity test results.
  • Guaranteed purity of ≥98% based on HPLC analysis
  • Available for purchase as lyophilized powder in vials or in bulk (mg to kg) quantities
  • Amino acid analysis (AAA), mass-spectrum (ESI-MS) and solubility tests available upon request
Peptides
Name
Segment
Wt
Ipamorelin (acetate)
GHS-R1a agonist
10 mg
L-Carnitine
Conditionally essenti...
5 g
Nonapeptide-1
MC1R antagonist
50 mg
Oxytocin (acetate)
Peptide hormone
10 mg
Amazon
Total:
5070 mg
-30% off
On Sale
Peptide Conjugation & Modification
Growscience excels in the engineering and production of custom peptides with modifications, including fluorescent labels, biotinylation, alkylation, glycosylation, phosphorylation, and more.
  • Peptide pooling and library services
  • Wide range of peptide modifications (200+) available
  • Quality control includes LC-MS with ion trap, quadrupole, or TOF detection, MALDI-MS, or HPLC
Peptide Modification
Backbone Modification
Cyclization
Conjugation
Made for Research
Our collective expertise and passion for innovation can deliver impactful and transformative solutions to your lab.
Automated Peptide Synthesizers
Our state-of-the-art automated peptide synthesizers ensure rapid, precise, and scalable production of high-quality peptides.
On-Demand Production
With our on-demand production capabilities, any catalog peptide can be produced in mg to kg sizes, delivered quickly and efficiently.
Quality Control
Our rigorous quality control processes guarantee that each peptide meets strict standards for purity and consistency, ensuring reliable results.
Certificates of Analysis
We provide detailed Certificates of Analysis for all peptides, offering transparency and confidence in the quality and integrity of our products.
Long Peptides
We specialize in synthesizing peptides over 100 amino acids in length, with our longest synthesized peptide reaching 214 amino acids
Folded Proteins
Synthesizing peptides and small proteins with multiple disulfide bonds, ensuring proper folding and biological activity.
Peptide Conjugates
We regularly perform peptide conjugation with carrier proteins, PEG, small molecules, other peptides, sugars, and chelating agents.
Cyclized Peptides
Offering macrocyclization, lactam formation, peptide stapling via olefin metathesis, and directed disulfide bond formation.
24 Hour Fulfillment
When inventory is in-stock, all orders are fulfilled within 24 hours, Monday to Friday.
Cold Logistics
Cold packs, thermal and insulated shipping containers are available upon request.
3PL Services
Offering distribution services to your lab locations with direct integrations into order management systems
Custom Labeling
Add custom lab indications on each product label to make inventory and identification during research easier
Growscience transforms peptide supply chain for research organizations
Supply Chain Efficiency
85%
Growscience boosts supply chain efficiency by up to 85%, streamlining operations with precision.
Cost Savings
70%
Clients using Growscience see up to a 70% decrease in peptide cost when ordering in bulk
Reliability
<1%
Growscience's state-of-the-art facilities ensure only the highest quality product is produced, with a <1% non-conformity rate
Your partner in peptides.
Transform your operational and research efficiency by working with Growscience as your peptide CMO.
Get Started