We offer Fmoc-protected unnatural amino acids for the synthesis of peptides for biological research and pharmaceutical development. By introducing conformational constraints, the peptides may have one or several of the following features: 1. enhancement of peptide backbone helicity for better target binding; 2. tunable hydrophobicity for desired cellular permeability and cytotoxicity; and 3. enhancement of peptide stability against proteolytic breakdown.
We offer nucleosides with modifications in both the nucleic acid base and the sugar component of the molecules. Nucleoside phosphoramidites are extremely useful chemical building blocks for the chemical synthesis of RNA-targeting drugs such as antisense oligonucleotides, aptamers, and siRNAs which have exhibited promises for treating diseases including muscular dystrophy, neuropathies, and macular degeneration.
dNTP, NTP, and modified nucleotides have exhibited a wide range of applications in PCR, RT-PCR, cRNA synthesis, RCA, MDA, DNA labeling, and sequencing. dNTPs are chemical building blocks in the commercial manufacture of mRNA vaccines using in vitro transcription method.
Inquire about our bulk quantities for the manufacture of oligonucleotide drug ingredients and large-scale production of mRNAs.
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Product Name: (R)-alpha-Methyl-3-fluorophenylalaine Order number: 204677 CAS: 1270184-80-9 Purity: >=95% Appearance: solid MF: C10H12FNO2 MW: 197.209 MP: n.a. oC Description: This alpha-methylated amino acid is used to make the peptide bond more stable against enzymatic hydrolysis. |
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Product Name: (S)-alpha-Methyl-4-fluorophenylalaine Order number: 204678 CAS: 130855-57-1 Purity: >=95% Appearance: solid MF: C10H12FNO2 MW: 197.209 MP: n.a. oC Description: This alpha-methylated amino acid is used to make the peptide bond more stable against enzymatic hydrolysis. |
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Product Name: (R)-alpha-Methyl-4-fluorophenylalaine Order number: 204679 CAS: 422568-68-1 Purity: >=95% Appearance: solid MF: C10H12FNO2 MW: 197.209 MP: n.a. oC Description: This alpha-methylated amino acid is used to make the peptide bond more stable against enzymatic hydrolysis. |
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Product Name: (S)-alpha-Methyl-4-(trifluoromethoxy)phenylalaine Order number: 204680 CAS: 1269926-90-9 Purity: >=95% Appearance: solid MF: C11H12F3NO3 MW: 263.216 MP: n.a. oC Description: This alpha-methylated amino acid is used to make the peptide bond more stable against enzymatic hydrolysis. |
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Product Name: (R)-alpha-Methyl-4-(trifluoromethoxy)phenylalaine Order number: 204681 CAS: 1269835-58-6 Purity: >=95% Appearance: solid MF: C11H12F3NO3 MW: 263.216 MP: n.a. oC Description: This alpha-methylated amino acid is used to make the peptide bond more stable against enzymatic hydrolysis. |
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Product Name: (S)-alpha-Methyl-2-bromophenylalanine Order number: 204682 CAS: 1212180-27-2 Purity: >=95% Appearance: solid MF: C10H12BrNO2 MW: 258.115 MP: n.a. oC Description: This alpha-methylated amino acid is used to make the peptide bond more stable against enzymatic hydrolysis. |