Bulk Price Fmoc-Cys(Acm)-Oh Global Manufacturer Supply Chain Analysis
- Technical Specification: CAS 86060-81-3, Molecular Weight 414.47 g/mol, suitable for solid-phase peptide synthesis.
- Procurement Advantage: Significant cost reductions available for kilogram-scale orders compared to gram-level research packs.
- Quality Assurance: Industrial purity standards maintained with comprehensive Certificate of Analysis (COA) documentation for every batch.
In the complex landscape of peptide manufacturing, securing a reliable supply chain for protected amino acids is critical for maintaining production schedules and yield consistency. Fmoc-Cys(Acm)-OH serves as a fundamental building block for constructing disulfide bridges and managing cysteine reactivity during synthesis. As a premier global manufacturer, NINGBO INNO PHARMCHEM CO.,LTD. understands that procurement managers require more than just a catalog number; they need assurance regarding synthesis routes, scalability, and cost efficiency at industrial volumes.
This analysis details the technical specifications, chemical applications, and economic factors influencing the bulk price of this essential peptide synthesis reagent. By understanding the manufacturing process and quality parameters, procurement officers can make informed decisions that optimize both budget and final product quality.
Technical Specifications and Chemical Data
Accurate chemical data is the foundation of successful process chemistry. The following table outlines the critical physical and chemical properties required for quality control integration.
| Parameter | Specification |
|---|---|
| Chemical Name | N-α-Fmoc-S-acetamidomethyl-L-cysteine |
| CAS Number | 86060-81-3 |
| Molecular Formula | C₂₁H₂₂N₂O₅S |
| Molecular Weight | 414.47 g/mol |
| Storage Conditions | Room Temperature (Sealed, Dry) |
| Purity Standard | >98.0% (HPLC) |
Synthetic Utility and Reaction Mechanisms
The acetamidomethyl (Acm) group is a cornerstone in orthogonal protection strategies. When utilizing Fmoc-L-Cys(Acm)-OH, chemists benefit from its stability under acidic conditions typically used for side-chain deprotection, while remaining removable under specific oxidative conditions. This orthogonality is vital for synthesizing peptides containing multiple disulfide bonds.
During solid-phase peptide synthesis (SPPS), the Acm group prevents unwanted thiol oxidation during chain assembly. Following cleavage from the resin, the Acm group can be converted into the S-carbomethoxysulfenyl (Scm) group or directly removed using mercury(II) acetate, thallium(III) trifluoroacetate, or silver salts. Alternatively, oxidative methods using iodine allow for the simultaneous deprotection and formation of disulfide bridges. This versatility makes it a preferred protected amino acid for complex therapeutic peptides.
For process chemists scaling up from milligrams to kilograms, maintaining the integrity of the Fmoc group during storage is paramount. Hydrolysis of the Fmoc moiety can lead to deletion sequences that are difficult to purify. Therefore, sourcing from a manufacturer with robust stability data is essential.
Volume-Based Pricing Tiers for Industrial Orders
The economics of peptide building blocks differ significantly between research-scale and production-scale procurement. Market analysis indicates a steep curve in price per gram as volume increases. While gram-level quantities often carry a premium due to packaging and handling overheads, bulk orders leverage manufacturing efficiencies.
For organizations requiring metric ton quantities, the bulk price structure shifts from a per-gram model to a per-kilogram contract. Factors influencing this pricing include:
- Raw Material Sourcing: Availability of L-cysteine and Fmoc-OSu precursors.
- Manufacturing Process: Batch size optimization and solvent recovery rates.
- Purity Requirements: Higher industrial purity thresholds may require additional recrystallization steps.
When sourcing high-purity Fmoc-Cys(Acm)-OH, buyers should anticipate tiered pricing that rewards commitment to larger volumes. Typically, orders exceeding 100 grams see a substantial reduction in unit cost, with further discounts applied at the 1 kg and 10 kg levels. This scaling is critical for budgeting long-term production runs.
Quality Control and Documentation
In regulated industries, documentation is as valuable as the chemical itself. A reputable supplier must provide a comprehensive Certificate of Analysis (COA) with every shipment. This document should verify identity via NMR and IR, quantify purity using HPLC, and confirm the absence of heavy metals or residual solvents.
NINGBO INNO PHARMCHEM CO.,LTD. adheres to strict quality management systems to ensure consistency across batches. Variability in optical rotation or moisture content can disrupt downstream coupling reactions. Therefore, verifying the COA against internal standards before integration into the production line is a mandatory step for quality assurance teams.
Global Shipping Logistics and Lead Times
Supply chain resilience is a key consideration for global manufacturers. Lead times for specialized amino acids can vary based on custom synthesis requirements versus stock availability. Standard grades are often available for immediate dispatch, while custom packaging or specific purity profiles may require a production lead time of 2 to 4 weeks.
Shipping protocols must account for the stability of the product. Although stable at room temperature, exposure to excessive humidity or heat during transit can degrade the Fmoc group. Proper packaging with desiccants and temperature monitoring is standard for international freight. Procurement teams should coordinate with logistics providers to ensure cold chain or controlled ambient conditions are maintained where necessary.
Requesting a Custom Quote for 2026
Securing supply for future production cycles requires proactive engagement with manufacturers. Prices for chemical raw materials are subject to fluctuation based on global market dynamics. Locking in pricing through forward contracts can mitigate risk.
For enterprises evaluating suppliers, the focus should remain on technical capability and reliability rather than solely on the lowest initial quote. The cost of failed batches due to impure reagents far outweighs the savings from cheaper materials. By partnering with a dedicated global manufacturer, companies ensure access to technical support, consistent quality, and scalable supply chains capable of meeting the demands of modern peptide therapeutics.