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Fmoc-Asn-OH, chemically known as N-alpha-Fmoc-L-asparagine, is a cornerstone in the field of peptide chemistry. Its reliable use in solid-phase peptide synthesis (SPPS) makes it indispensable for researchers across various scientific disciplines. NINGBO INNO PHARMCHEM CO.,LTD. provides this vital reagent, emphasizing its stringent quality control and detailed chemical specifications.
The compound's CAS number is 71989-16-7. Its molecular formula is C19H18N2O5, and it has a molecular weight of approximately 354.36 g/mol. Typically, Fmoc-Asn-OH appears as a white to off-white crystalline powder, a characteristic that suggests good purity. The Fmoc (9-fluorenylmethoxycarbonyl) group is a base-labile protecting group for the alpha-amino terminus of the amino acid. This specific protection strategy is fundamental to the efficiency of SPPS, allowing for selective deprotection and subsequent coupling steps without compromising the integrity of the growing peptide chain or side-chain protecting groups.
The synthesis of Fmoc-Asn-OH typically involves the reaction of L-asparagine with the Fmoc protecting agent, such as Fmoc-Cl or Fmoc-OSu, under controlled conditions. Careful purification steps are then employed to ensure high purity, which is critical for its application in demanding synthesis protocols. The stability of Fmoc-Asn-OH is also a key consideration; it is generally stable when stored properly, usually under refrigerated conditions (2-8°C), and protected from moisture and light. Understanding these chemical properties of Fmoc-Asn-OH is vital for laboratories to maintain the reagent's efficacy.
The synthesis applications of Fmoc-Asn-OH are predominantly within peptide synthesis. Whether for academic research, pharmaceutical drug discovery, or the development of novel biomaterials, Fmoc-Asn-OH is used to introduce the asparagine residue into peptide sequences. Asparagine's polar amide side chain can significantly influence the solubility, conformation, and biological activity of the resulting peptide. Therefore, the precise incorporation of this amino acid, facilitated by high-quality Fmoc-Asn-OH, is crucial for achieving desired peptide characteristics.
The reliability of Fmoc-Asn-OH for peptide synthesis cannot be overstated. Researchers often depend on the consistent performance and purity of this reagent to ensure successful experimental outcomes. Sourcing from manufacturers like NINGBO INNO PHARMCHEM CO.,LTD., who adhere to strict quality standards and provide comprehensive product information, is essential for confidence in synthesis results.
In conclusion, Fmoc-Asn-OH is a vital component in the modern chemist's arsenal. Its well-defined chemical properties and its critical role in enabling precise peptide synthesis underscore its importance. The continuous supply of high-purity Fmoc-Asn-OH by dedicated suppliers is instrumental in driving progress across numerous scientific fields.
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