The field of peptide therapeutics is rapidly expanding, with new drugs and research compounds constantly being developed. Central to this progress is the availability of specialized building blocks that enable the synthesis of precise peptide sequences. Among these, Boc-Phe(4-NO2)-OH, also identified by its CAS number 33305-77-0 and known chemically as N-Boc-4-nitro-L-phenylalanine, stands out as a critical intermediate.
Researchers and drug developers often search for terms like 'buy Boc-Phe(4-NO2)-OH' when seeking materials for their projects. The incorporation of the 4-nitrophenylalanine residue can confer unique properties to peptides, influencing their stability, activity, or interaction with biological targets. As a leading manufacturer and supplier, NINGBO INNO PHARMCHEM CO.,LTD. plays a vital role in making this essential component accessible to the pharmaceutical industry.
Our expertise in producing high-purity chemicals ensures that our Boc-Phe(4-NO2)-OH meets the rigorous standards required for pharmaceutical R&D. We understand the importance of a consistent supply and competitive price for our clients, whether they are small research labs or larger pharmaceutical companies. By partnering with us, you can secure a reliable source for CAS 33305-77-0, allowing you to focus on innovation rather than procurement challenges.
If your drug development pipeline requires this specialized amino acid derivative, we encourage you to connect with our team. As a trusted manufacturer and supplier, we are committed to supporting your efforts. Let us help you purchase the high-quality Boc-Phe(4-NO2)-OH you need to advance your peptide drug development programs.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.