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Sichuan Hongri Pharma-Tech Co., Ltd – ISO-certified manufacturer of high-purity amino acid derivatives, NCA monomers, protection reagents, and impurity standards. Trusted by research labs and pharmaceutical companies worldwide.

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About Sichuan Hongri Pharma-Tech

Sichuan HongRi Pharma-Tech Co., Ltd (also known as Enlai Biotech), founded in 2011, is a high-tech enterprise specializing in the research, development, and manufacturing of natural and non-natural amino acids, Fmoc-, Boc-, Cbz-protected amino acids, peptides, and pharmaceutical intermediates.

With over a decade of expertise, we serve global clients in the pharmaceutical, biotechnology, and academic research sectors. Our product portfolio includes more than 1,000 high-purity compounds, with strict quality control and scalable production capacity.

We are committed to innovation, consistency, and customer satisfaction, ensuring every batch meets the highest standards for research and industrial applications.

Factory Equipment Lab Research Quality Testing Packaging

Our Product Range

We offer over 1,000 high-purity amino acid derivatives and specialty chemicals for peptide synthesis, drug development, and research applications. All products are rigorously tested and available in bulk quantities.

Fmoc-L-Tyr(tBu)-OH

CAS NO. 71989-38-3 | Purity: 98%+ | White Powder

  • • Fmoc-protected tyrosine derivative
  • • tert-Butyl protection on phenolic OH
  • • Ideal for solid-phase peptide synthesis
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L-Ala-NCA

CAS NO. 2224-52-4 | Purity: 99%+ | White Powder

  • • N-Carboxyanhydride (NCA) monomer
  • • High reactivity for polymerization
  • • Used in polypeptide and biomaterial synthesis
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Fmoc-L-Arg(pbf)-OH

CAS NO. 154445-77-9 | Purity: 98%+ | White Powder

  • • Fmoc-protected arginine
  • • Pbf group protects guanidine side chain
  • • Essential for complex peptide sequences
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Boc-L-His(Trt)-Aib-OH

CAS NO. 2061897-68-3 | Purity: 98%+ | White Powder

  • • Boc-protected dipeptide
  • • Trt protection on histidine
  • • Aib (aminoisobutyric acid) enhances stability
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Fmoc-N-Me-L-Val-OH

CAS NO. 84000-11-3 | Purity: 98%+ | White Powder

  • • N-Methylated valine derivative
  • • Enhances peptide metabolic stability
  • • Used in peptidomimetic drug design
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D-Tyr-NCA

CAS NO. 183732-21-0 | Purity: 98%+ | White Powder

  • • N-Carboxyanhydride of D-tyrosine
  • • Chiral building block for unnatural peptides
  • • High purity for reproducible synthesis
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Fmoc-Aeea

CAS NO. 166108-71-0 | Purity: 98%+ | White Powder

  • • Fmoc-protected aminoethoxyacetic acid
  • • Spacer/linker for peptide conjugation
  • • Used in PEGylation and bioconjugation
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L-IsoSerine

CAS NO. 632-13-3 | Purity: 99%+ | White Powder

  • • Non-proteinogenic amino acid
  • • Building block for antibiotic synthesis
  • • High optical purity for stereocontrol
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Why Choose Hongri Pharm?

High Purity & Consistency

All products are tested via HPLC and NMR to ensure ≥98% purity. Batch-to-batch consistency is guaranteed for reliable research and production.

Scalable Manufacturing

From gram-scale research samples to multi-kilogram commercial batches, we offer flexible production with fast turnaround times.

Global Compliance

Our facility adheres to international quality standards. Products are shipped worldwide with full documentation and regulatory support.

Stringent Quality Control

At Hongri Pharm, quality is our top priority. Every batch undergoes rigorous analytical testing using state-of-the-art instrumentation including HPLC, GC, NMR, MS, and elemental analysis.

We maintain full traceability from raw materials to finished products. Certificates of Analysis (COA) are provided with every shipment, ensuring transparency and compliance.

Our quality management system supports regulatory submissions and GMP-compatible processes upon request.

Quality Control Lab
1,000+
Products Available
10+
Years in Industry
30+
Countries Served
98%+
Purity Standard

Frequently Asked Questions

What is the minimum order quantity (MOQ)?

We offer flexible MOQs starting from 1 gram for research samples. Bulk pricing is available for larger quantities.

Do you provide Certificates of Analysis (COA)?

Yes, every shipment includes a detailed COA with HPLC chromatograms, NMR data, and physical properties.

Can you synthesize custom molecules?

Yes, we offer custom synthesis services for novel amino acid derivatives, peptide sequences, and impurity standards.

What packaging options do you offer?

Products are packed in vacuum-sealed bags or amber glass bottles with nitrogen flushing, suitable for long-term storage.

Get in Touch

For quotes, technical inquiries, or custom synthesis requests, visit our official website to connect with our sales team.

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