Molecular Building Blocks for
Amino Acid & Peptide CDMO Manufacturing

Molecular Building Blocks for
Breakthrough Science

SynthAxis delivers 16,000+ high-purity amino acids, peptides, PNA monomers, and resins — with full-lifecycle CDMO services from discovery-scale to commercial production.

16,000+
Catalog Compounds
120+
Countries Served
cGMP
Certified
48hr
Quote Turnaround
Global Delivery
Reliable worldwide shipping to 120+ countries
Secure Orders
Encrypted checkout with 100% safe payment processing
cGMP Certified
All products manufactured to strict cGMP quality standards
Safe Packaging
Purpose-built packaging protects compounds in transit
24/7 Support
Expert team available around the clock for assistance
Featured Products

High-Demand Compounds

In-stock items available for bulk orders with competitive pricing and fast delivery.

In StockHot

Linaclotide

CAT: SYN-010098
CAS: 851199-59-2
Purity: ≥95%
$245 / 5mg
Bulk
In StockHot

SPDP Crosslinker

CAT: SYN-008146
CAS: 68181-17-9
Purity: ≥97% (HPLC)
$125 / 5mg
Bulk
In StockHot

Eptifibatide

CAT: SYN-006126
CAS: 188627-80-7
Purity: 98%
$235 / 5mg
Bulk
In StockHot

Myrcludex B

CAT: SYN-010104
CAS: 2012558-47-1
Purity: ≥98%
$348 / 5mg
Bulk
In StockHot

Oglufanide

CAT: SYN-015435
CAS: 38101-59-6
Purity: ≥95%
$175 / 5mg
Bulk
In StockHot

Endothelin-3, human

CAT: SYN-006178
CAS: 117399-93-6
Purity: ≥97% HPLC
$245 / 5mg
Bulk
In StockHot

Gastrin I (human)

CAT: SYN-006092
CAS: 10047-33-3
Purity: 95%
$195 / 5mg
Bulk
In StockHot

GLP-1 (7-37)

CAT: SYN-006116
CAS: 106612-94-6
Purity: 98%
$225 / 5mg
Bulk
In StockHot

Semax

CAT: SYN-006127
CAS: 80714-61-0
Purity: 98%
$185 / 5mg
Bulk
In StockHot

Setmelanotide

CAT: SYN-010078
CAS: 920014-72-8
Purity: ≥98%
$265 / 5mg
Bulk
In StockHot

Melanotan (MT)-II

CAT: SYN-006134
CAS: 121062-08-6
Purity: 98%
$195 / 5mg
Bulk
In StockHot

Lanreotide

CAT: SYN-010202
CAS: 108736-35-2
Purity: 98%
$245 / 5mg
Bulk
In StockHot

Edotreotide

CAT: SYN-010135
CAS: 204318-14-9
Purity: ≥97%
$265 / 5mg
Bulk
In StockHot

Neurotensin (8-13)

CAT: SYN-010564
CAS: 60482-95-3
Purity: >97% HPLC
$165 / 5mg
Bulk
In StockHot

Difelikefalin

CAT: SYN-010193
CAS: 1024828-77-0
Purity: >98%
$255 / 5mg
Bulk
In StockHot

Nafamostat Mesilate

CAT: SYN-008979
CAS: 82956-11-4
Purity: >98%
$155 / 5mg
Bulk
In StockHot

Dolastatin 10

CAT: SYN-010469
CAS: 110417-88-4
Purity: >98%
$295 / 5mg
Bulk
In StockHot

ISRIB

CAT: SYN-010737
CAS: 1597403-47-8
Purity: ≥98%
$165 / 5mg
Bulk
In StockHot

Glatiramer Acetate

CAT: SYN-014243
CAS: 147245-92-9
Purity: ≥95%
$235 / 5mg
Bulk
In StockHot

Transdermal Peptide

CAT: SYN-006224
CAS: 918629-48-8
Purity: 98%
$175 / 5mg
Bulk
In StockHot

RADA 16

CAT: SYN-006142
CAS: 289042-25-7
Purity: 95%
$175 / 5mg
Bulk
In StockHot

Calcitonin Salmon

CAT: SYN-006117
CAS: 47931-85-1
Purity: 98%
$215 / 5mg
Bulk
In StockHot

tBuO-Ste-Glu(AEEA-AEEA-OH)-OtBu

CAT: SYN-008643
CAS: 1118767-16-0
Purity: ≥98%
$285 / 5mg
Bulk
In StockHot

L-Carnitine

CAT: SYN-008091
CAS: 541-15-1
Purity: 98%
$95 / 5mg
Bulk
In StockHot

Glutathione

CAT: SYN-010793
CAS: 70-18-8
Purity: >98%
$125 / 5mg
Bulk
In StockHot

Enfuvirtide

CAT: SYN-010036
CAS: 159519-65-0
Purity: ≥98%
$275 / 5mg
Bulk
In StockHot

Neuropeptide Y (human, rat)

CAT: SYN-010562
CAS: 90880-35-6
Purity: ≥97%
$235 / 5mg
Bulk
SynthAxis Laboratory
16,000+
Compounds
120+
Countries
25+
Years
About SynthAxis

Advancing Science Through Precision Chemistry

SynthAxis is a specialized supplier of molecular building blocks and CDMO partner to pharmaceutical, biotech, and academic research organizations worldwide. We maintain an inventory of over 16,000 compounds — amino acids, peptides, PNA monomers, and resins — supported by comprehensive synthesis and analytical services.

From small-scale research inquiries to large commercial production contracts, our teams deliver the precision, documentation, and consistency demanded by modern drug development pipelines.

Learn About Us

Expert Scientific Team

Experienced chemists and biologists providing deep technical guidance and innovative synthesis solutions.

Customized Solutions

Tailored approaches for every project — from early-stage research to scalable commercial manufacturing.

cGMP Facility

Fully validated, pharmaceutical-grade manufacturing environments ensuring consistent quality and regulatory compliance.

Trusted by leading research institutions and pharmaceutical companies worldwide

PharmaTech Labs
BioNovum Research
NeuroSynth Corp
Apex Biosciences
QuantumChem Inc
OrionBio Sciences
MedAxisGlobal
CrystalPeptides
FusionBio Research
NovaSynth Labs
BioLogica Corp
ProteomicsPlus
SciCore Research
NexBio Technologies
PharmaTech Labs
BioNovum Research
NeuroSynth Corp
Apex Biosciences
QuantumChem Inc
OrionBio Sciences
MedAxisGlobal
CrystalPeptides
FusionBio Research
NovaSynth Labs
BioLogica Corp
ProteomicsPlus
SciCore Research
NexBio Technologies
Client Testimonials

Trusted by Global Research Partners

Your trusted source for high-quality compounds and scientific services.

"SynthAxis supported our non-canonical amino acid project with rapid turnaround and outstanding analytical clarity. Their pathway optimization expertise saved our team weeks of development time."

JW
Dr. James Whitmore
Senior Research Scientist · United States

"The custom peptide synthesis far exceeded our expectations in purity and batch-to-batch consistency. Their technical team is highly responsive and understands regulatory documentation requirements."

EG
Ms. Elena Gruber
QC Manager · Germany

"Our lab required multiple PNA monomers with precise stereochemical control. SynthAxis delivered every lot with exceptional reproducibility — truly reliable for advanced nucleic acid research."

MR
Dr. Matteo Ricci
Molecular Biology Lead · Italy

"We needed rapid scale-up for a modified amino acid intermediate in early discovery. SynthAxis delivered a seamless transition from milligram to multi-hundred-gram scale without compromising quality."

TO
Mr. Thomas O'Neal
Chemical Development Specialist · United States

"Their conjugation service helped us validate a complex peptide-drug candidate. The team communicated clearly throughout and provided complete analytical packages for every synthesis step."

IF
Dr. Isabelle Fournier
Biotherapeutics Scientist · France

"SynthAxis delivered custom peptide libraries with excellent diversity and purity. Their ability to meet tight discovery timelines is a major asset for any high-throughput screening program."

DH
Mr. Daniel Hughes
Discovery Program Manager · United Kingdom

"We had a challenging PNA modification requirement with multiple protective group strategies. SynthAxis resolved the synthetic bottlenecks and supplied material that performed exactly as modeled."

SM
Dr. Sofia Marković
Nucleic Acid Chemistry Expert · Sweden

"The structural characterization service was outstanding. Their NMR and LC-MS data packages were detailed, easy to interpret, and helped us finalize our formulation work significantly faster."

EC
Ms. Emily Carter
Analytical Development Supervisor · Canada

"From amino acid building blocks to peptide conjugates, SynthAxis consistently delivers robust chemistry and reliable timelines. They have become one of our most trusted outsourcing partners."

LH
Mr. Lucas Hoffman
Process Chemistry Coordinator · Netherlands
Resource Center

Knowledge & Tools

Download materials, read cutting-edge articles, and use our interactive scientific calculators.

Scientific Calculators

Free online tools for molecular weight, peptide properties, molarity, and solution dilution.