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Code Name Synonym
BO-125 Boc-D-Orn(N3) CHA salt Boc-D-Orn(N3).CHA // (R)-Boc-2-amino-5-azido-pentanoic acid CHA salt // Boc-D-azidonorvaline CHA salt // Boc-D-Nva(5-N3).CHA
CAS 1858224-18-6, 1858224-17-5 net /upload/svg/small/small_bo-125.svg
Formula C16H31N5O4
MW 357.4
Purity >98%
Storage +2 ... +8 °C
Code Name Synonym
FM-160 Fmoc-Orn(N3) Fmoc-L-Orn(N3) // (S)-Fmoc-2-amino-5-azido-pentanoic acid // Fmoc-L-azidoornitine // Fmoc-L-delta-azidoornithine // Fmoc-azidonorvaline // Fmoc-Nva(5-N3)-OH
CAS 1097192-04-5 /upload/more_svg/small/small_FM-160.svg
Formula C20H20N4O4
MW 380.4
Purity >98%
Storage +2 ... +8 °C
Note Fmoc-Orn(N3) is incorporated into peptides that can be further selectively modified using Staudinger ligation or Click-chemistry. DOI:10.1021/jm201125d;  DOI:10.1002/anie.201310245; DOI:10.1002/anie.201005846; Bioconjugate Chemistry (2018), 29(5), 1690-1702. DOI:10.1021/acs.bioconjchem.8b00157; ACS Chemical Neuroscience (2018), 9(5), 1001-1013. DOI:10.1021/acschemneuro.7b00422.
Code Name Synonym
FM-161 Fmoc-D-Orn(N3) Fmoc-D-Orn(N3) // (R)-Fmoc-2-amino-5-azido-pentanoic acid // Fmoc-D-azidoornitine // Fmoc-D-δ-azidoornithine // Fmoc-D-azidonorvaline // Fmoc-D-Nva(5-N3)-OH
CAS 1176270-25-9 /upload/more_svg/small/small_FM-161.svg
Formula C20H20N4O4
MW 380.4
Purity >98%
Storage +2 ... +8 °C
Code Name Synonym
ET-134 N3-Orn(Alloc).DCHA azido-Orn(Alloc)-OH.DCHA // dicyclohexylammonium (2S)-2-azido-5-{[(prop-2-en-1- yloxy)carbonyl]amino}pentanoate
CAS 2250436-43-0 net /upload/more_svg/small/small_et-134.svg
Formula C21H37N5O4
MW 423.6
Purity >98%
Storage +2 ... +8 °C
Code Name Synonym
ET-099 N3-Orn(Boc).CHA azido-Orn(Boc)-OH // (S)-2-azido-5-[(tert-butyloxycarbonyl]amino)pentanoic acid
CAS 1639198-67-6 net /upload/more_svg/small/small_ET-099.svg
Formula C16H31N5O4
MW 357.4
Purity >98%
Storage +2 ... +8 °C
Code Name Synonym
ET-105 N3-D-Orn(Boc).CHA azido-D-Orn(Boc)-OH // (R)-2-azido-5-[(tert-butyloxycarbonyl]amino)pentanoic acid
CAS 2165877-62-1 net /upload/more_svg/small/small_ET-105.svg
Formula C16H31N5O4
MW 357.4
Purity >98%
Storage +2 ... +8 °C
Code Name Synonym
ET-110 N3-Orn(Fmoc) azido-Orn(Fmoc)-OH // (S)-2-azido-5-[(9-fluorenylmethyloxycarbonyl]amino)pentanoic acid // 2-azido-5-(9-fluorenylmethyloxycarbonyl)amino-pentanoic acid
CAS 1994267-98-9 /upload/more_svg/small/small_ET-110.svg
Formula C20H20N4O4
MW 380.4
Purity >98%
Storage +2 ... +8 °C
Code Name Synonym
ET-111 N3-D-Orn(Fmoc) azido-D-Orn(Fmoc)-OH // (R)-2-azido-5-[(9-fluorenylmethyloxycarbonyl]amino)pentanoic acid // 2-azido-5-(9-fluorenylmethyloxycarbonyl)amino-pentanoic acid (R)
CAS 1994300-41-2 /upload/more_svg/small/small_ET-111.svg
Formula C20H20N4O4
MW 380.4
Purity >98%
Storage +2 ... +8 °C
Code Name Synonym
AA-155 H-Phe(4-CH2-N3).HCl H-L-Phe(4-CH2-N3)-OH // p-azidomethyl-L-phenylalanine // para-methylazido-L-phenylalanine // para-azidomethyl-L-phenylalanine // pAMF // pN3CH2Phe // pAMF // 4-(Azidomethyl)-L-phenylalanine hydrochloride // (1S)‐2‐[4‐(azidomethyl)phenyl]‐1‐carboxyethan‐1‐aminium chloride
CAS 1446772-80-0 /upload/small/small_aa-155.svg
Formula C10H13ClN4O2
MW 256.7
Purity >98%
Storage +2 ... +8 °C
Note This material is used in antibody drug conjugates as a superior SPAAC reaction partner in comparison to H-Phe(4-N3). Bioconjugate Chem. (2014), 25(2), 351-361. DOI:10.1021/bc400490z. It can serve as a vibrational reporter of local protein environments after genetic incorporation into proteins.  J. Phys. Chem. B (2013), 117(30), 8987-8993. DOI:10.1021/jp4052598; Molina, Arturo PCT Int. Appl. (2019), WO 2019023316 A1.
Code Name Synonym
AA-148 H-Phe(4-N3) 4-Azido-L-phenylalanine // 3-(p-Azidophenyl)-L-alanine // 4-Azidophenylalanine // p-Azido-L-phenylalanine // p-Azidophenylalanine // H-4-Azido-Phe // Phe(pN3) // para-azido-Phe // pAzF // AzPhe // pAF3 // AzF
CAS 33173-53-4 /upload/small/small_aa-148.svg
Formula C9H10N4O2
MW 206.2
Purity >98%
Storage -15 ... -25 °C
Note H-Phe(4-N3) is used in protein biosynthesis as unnatural amino acid for genetic code expansion. The azido-funcionality can be further utilized to cross-link various functionalities to proteins utilizing click-chemistry. DOI:10.1126/science.1084772; DOI:10.1038/nature08817; DOI:10.1038/nature14095;
The azido-functionality is IR-active and can be used in protein active site electrostatic environment studies. DOI:10.1038/nchembio.167;
The azide-handle can also be used for protein PEGylation or attachment to antibodies using click-chemistry. DOI:10.1021/acssynbio.7b00316; U.S. (2018).

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