When every day counts in drug discovery, even minor delays in custom peptide synthesis service can slow progress and impact screening timelines.

As a premier peptide CRO, o2h Discovery combines speed, precision, and scientific excellence to accelerate your discovery programmes.

Through our 2-week Peptide Guarantee, we deliver high-quality custom peptides, fast, reliable, and ready to drive your next breakthrough.

Behind this guarantee stands a dedicated team of expert peptide scientists. With deep expertise in SPPS, cyclisation, and advanced purification, they ensure every peptide is delivered quickly and to the highest standards, helping researchers move seamlessly from design to milestone.

Through this initiative, we aim to reduce R&D delays, and empower researchers to plan their discovery programmes with confidence.

o2h Discovery has delivered 1200+ custom peptides across 13 discovery projects since 2023.

Learn more about why fast custom peptide synthesis matters

Meet the Scientists Who Make Fast Peptide Synthesis Service Possible

• Rahul Rayani PhD – Lead peptide chemist who has successfully delivered over 𝟮𝟬𝟬 𝗰𝘂𝘀𝘁𝗼𝗺 𝗽𝗲𝗽𝘁𝗶𝗱𝗲𝘀, including stapled, cyclic, and unnatural amino acid sequences. With deep expertise in SPPS (Fmoc/t-Boc), cyclisation chemistry, conjugation, and advanced purification (HPLC, LC-MS, HRMS, NMR), Rahul combines technical precision with leadership, guiding teams to achieve milestones consistently. Notably, he delivered a 50-peptide S–S bridge cyclic library, accelerating complex discovery projects.
• Jitendra Padsumbiya – Project Leader driving peptide programmes from 𝗱𝗲𝘀𝗶𝗴𝗻 𝘁𝗼 𝗱𝗲𝗹𝗶𝘃𝗲𝗿𝘆. With deep experience in SPPS, cyclisation, stapling, and process optimisation, he has guided teams of chemists, mentored juniors, and collaborated across analytical, biology, and ADL groups. As a result, Jitendra ensures every peptide project is executed with precision, efficiency, and scientific excellence.
• Dilip Gupta – A skilled peptide chemist with 5+ years of hands-on experience in synthesising 𝗹𝗶𝗻𝗲𝗮𝗿, 𝗰𝘆𝗰𝗹𝗶𝗰, 𝘀𝘁𝗮𝗽𝗹𝗲𝗱, 𝗮𝗻𝗱 𝗺𝗼𝗱𝗶𝗳𝗶𝗲𝗱 𝗽𝗲𝗽𝘁𝗶𝗱𝗲𝘀. Proficient in SPPS (Fmoc/t-Boc), fragment coupling, PEGylation, lipidation, and conjugation strategies, Dilip ensures quality through robust purification and characterisation (HPLC, LC-MS, MALDI-TOF). Having contributed to a 100-peptide library project, he excels at troubleshooting and optimising workflows to meet tight timelines.
• Poonam Meghnathi – Brings over 5 years of expertise in 𝗽𝗲𝗽𝘁𝗶𝗱𝗲 𝘀𝘆𝗻𝘁𝗵𝗲𝘀𝗶𝘀 𝗮𝗻𝗱 𝗽𝘂𝗿𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻. Skilled in SPPS (Fmoc/t-Boc), fragment condensation, cyclisation, and modifications such as stapling and conjugation, Poonam has successfully optimised crude peptide quality and streamlined purification strategies. With proficiency in HPLC and LC-MS. In addition, she ensures seamless delivery from bench to milestone.

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Why Researchers Choose o2h Discovery for Custom Peptide Synthesis Service

• Fast Peptide Synthesis: High-quality peptides delivered in 2 weeks. If delayed, it’s on us. T&C applied.

• Highly Experienced Peptide Chemists: Work with our expert scientists with vast experience in synthesising and optimising complex peptide molecules with efficiency.

• End-to-End Peptide Solutions: From custom synthesis and
complex modifications at mg to gram scale, to purification, analysis and characterisation; And we handle it all with precision.

• Cutting-Edge Equipment & Advanced Capabilities: o2h’s peptide facility is equipped with Biotage Syro I, CEM Liberty Blue, and more for fast, high-quality peptide production.

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Our Peptide Platform

With cutting-edge infrastructure, expert scientists, and a commitment to speed, we remove the traditional roadblocks in peptide sourcing, so that yourresearch can move forward faster than ever.

• State-of-the-art facility for peptide synthesis, purification, analysis and characterisation
• Expertise in traditional solution phase and advanced solid phase peptide synthesis (SPPS)
• Capabilities to generate library of standard average-length peptides (20-mer), as well as to deliver long chain (50-mer) and complex peptides

Learn more about our peptide platform

 

About o2h Discovery:

Founded in 2005, o2h Discovery has a multi-modality integrated drug discovery platform, operating from its state-of-the-art research centres in Cambridge, UK, and Ahmedabad, India. We execute hit-lead-optimisation programmes leading into patent and IND filing with expertise in discovery chemistry, biology, pharmacology, and the ongoing project management of pre-clinical development.

Our peptide chemists specialise in solid-phase peptide synthesis (SPPS) and custom peptide design, enabling fast, high-purity peptide manufacturing to accelerate your research, offering from small quantities of a few milligrams to larger amounts at the gram scale. o2h Discovery’s capabilities go beyond standard peptide synthesis service, offering specialised peptide modification services to customise and optimise peptides for diverse drug discovery programmes. Our clients include large-pharma companies, leading academic institutions, and biotech firms. We’re also available on Scientist.com.

o2h Discovery’s team of experts also delivers high-quality integrated drug discovery services, covering DMPK, scale-up/PR&D, PROTAC’s (Protac Synthesis Services), LNPs, various assays, including ChamelogK, supporting our biotechs and pharma from target validation all the way to IND-enabling studies.

The DNA of o2h Discovery is centred around the nurturing of its people, values, and culture. It reflects in the way we work with each other, as well as our collaborators and partners.

Get your custom peptide delivered in 2 weeks – request a quote today

Frequently Asked Question:

Q. What makes o2h Discovery a preferred CRO partner for peptide synthesis?

A. o2h Discovery’s 2-week Peptide Guarantee ensures fast, reliable delivery of high-quality peptides. Combined with rigorous QC, global service, and expert project management, we are a trusted CRO partner for peptide synthesis in drug discovery. We have delivered over 1200+ custom peptides across 13 discovery projects worldwide.

Q. How does o2h Discovery help accelerate peptide-based drug discovery projects?

A. By delivering peptides within a guaranteed 2-week timeframe, we remove operational delays. This allows researchers to advance screening, validation, and pipeline development faster than with traditional peptide CRO services.

Q. How does o2h Discovery deliver peptides faster than other CROs?

A. Through optimized workflows, dedicated resources, and an experienced chemistry team, we synthesize and deliver standard linear peptides within 2 weeks without compromising purity or reliability.

Q. Why should I choose o2h Discovery for my custom peptide projects?

A. With o2h Discovery, you get guaranteed timelines, >95% purity, and seamless communication. Our custom peptide synthesis service help minimize risk and accelerate your drug discovery pipeline.

Q. What types of peptides are included under the 2-week guarantee?

A. Standard linear peptides up to 20 amino acids and up to 1 gram are covered under the guarantee, ensuring reliable delivery for most peptide research needs.

Q. Can o2h Discovery synthesize modified peptides such as cyclic, PEGylated, or labeled peptides?

A. Yes. While the 2-week guarantee applies to core linear peptides, our custom peptide synthesis service supports complex modifications, offering flexibility for specialized drug discovery research.

Q. How does o2h Discovery ensure high-quality peptides under a fast turnaround?

A. All peptides are synthesized under strict QC protocols, achieving >95% purity verified by HPLC and mass spectrometry, ensuring consistent, high-quality results.

Q. Is o2h Discovery’s Peptide Guarantee service available worldwide?

A. Yes, our peptide synthesis service are offered globally, providing consistent quality and delivery speed for international drug discovery projects.

Q. Can o2h Discovery handle large peptide orders or longer sequences?

A. Yes. For peptides exceeding 20 amino acids or larger quantities, we provide tailored synthesis solutions. While these may not fall under the 2-week guarantee, we still ensure efficiency, reliability, and high purity.

Q. Can I track the status of my peptide project with o2h Discovery?

A. Yes. We provide regular progress updates throughout the synthesis process, so you always know the status of your peptide order.

Q. How do I submit a peptide project to o2h Discovery?

A. Simply share your peptide sequence and project details via our website or email. Once confirmed, your project is placed into our guaranteed 2-week workflow.

 

For more details on how our peptide guarantee works, explore our Peptide Guarantee FAQs.

Whether you need a single peptide or a full library, o2h Discovery ensures every project moves from idea to milestone, faster, smarter, and with confidence. 

To discuss your next peptide project, Please fill out the Contact form here or write us at discovery@o2h.com