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Code Name Synonym
ET-084 N3-AEEA.CHA N3-AEEA.CHA // N3-AEEAc.CHA // 8-azido-3,6-dioxaoctanoic acid cyclohexylamine salt // cyclohexanaminium {2-[2-(2l5-triaz-1-en-2-yn-1-yl)ethoxy]ethoxy}acetate // [2-(2-azidoethoxy)ethoxy]acetic acid cyclohexylamine salt
CAS 2098500-94-6, 882518-90-3 net /upload/more_svg/small/small_ET-084.svg
Formula CH24N4O4
MW 288.3
Purity >98%
Storage +2 ... +8 °C
Note Used as a linker to produce drug conjugates via Click-chemistry and in other applications. Chen et al Bioconjugate Chem. (2009), 20(12), 2331-2341. DOI:10.1021/bc900339x; Rhee et al Biomacromolecules (2012), 13(8), 2333-2338. DOI:10.1021/bm300578p; Huang et al Org. Lett. (2018), 20(20), 6526-6529. DOI:10.1021/acs.orglett.8b02849; Ciulli et al Brit. UK Pat. Appl. (2018), GB 2554071 A 20180328.
Code Name Synonym
ET-089 N3-AEEA-OK N3-AEEA K salt // N3-AEEAc.K // 8-azido-3,6-dioxaoctanoic acid potassium salt // potassium 2‐[2‐(2‐azidoethoxy)ethoxy]acetate // N3-Ado potassium salt
CAS 882518-90-3 net /upload/more_svg/small/small_et-089.svg
Formula C6H10KN3O4
MW 227.3
Purity >99%
Storage +2 ... +8 °C
Note Used as a linker to produce drug conjugates via Click-chemistry and in other applications. Chen et al Bioconjugate Chem. (2009), 20(12), 2331-2341. DOI:10.1021/bc900339x; Rhee et al Biomacromolecules (2012), 13(8), 2333-2338. DOI:10.1021/bm300578p; Huang et al Org. Lett. (2018), 20(20), 6526-6529. DOI:10.1021/acs.orglett.8b02849; Ciulli et al Brit. UK Pat. Appl. (2018), GB 2554071 A 20180328.
Code Name Synonym
ET-135 N3-AEEA-OtBu azido-AEEA tert-butyl ester // tert-butyl 2-[2-(2-azidoethoxy)ethoxy]acetate
CAS 251564-45-1 /upload/more_svg/small/small_et-135.svg
Formula C10H19N3O4
MW 245.3
Purity >97% (HPLC)
Storage +2 ... +8 °C
Code Name Synonym
ET-085 N3-AEEA-AEEA 17-azido-10-oxo-3,6,12,15-tetraoxa-9-azaheptadecan-1-oic acid
CAS 1254054-60-8 /upload/more_svg/small/small_ET-085.svg
Formula C12H22N4O7
MW 334.3
Purity >97%
Storage -15 ... -25 °C
Code Name Synonym
ET-137 N3-AEEEA.CHA 11-azido-3,6,9-trioxaundecanoic acid cyclohexylammonium salt // azido-PEG3-carboxylate // cyclohexylammonium 2-{2-[2-(2- azidoethoxy)ethoxy]ethoxy}acetate
CAS 172531-37-2 net /upload/more_svg/small/small_et-137.svg
Formula C14H28N4O5
MW 332.4
Purity >98% (TLC)
Storage -15...-25 °C
Code Name Synonym
CH-054 trans-4-(Azidomethyl)cyclohexanecarboxylic acid N3-AMCHC // N3-trans-MCHC-OH
CAS 170811-10-6 /upload/more_svg/small/small_CH-054.svg
Formula C8H13N3O2
MW 183.2
Purity >99%
Storage +2 ... +8 °C
Note N3-AMCHC is used as a protected Tranexamic acid building block that can be used in peptide synthesis. The azido-group can be selectively modified using Staudinger ligation or Click-chemistry or transformed into amino-group under neutral conditions.
Code Name Synonym
ET-155 (N3)2-DAPOA.DCHA N‐cyclohexylcyclohexanaminium 2‐[(1,3‐ diazidopropan‐2‐yl)oxy]acetate
CAS n/a /upload/small/small_et-155.svg
Formula C17H31N7O3
MW 381.48
Purity >98%
Storage +2 ... +8 °C
Note (N3)2-DAPOA.DCHA can be used in peptide synthesis as a linker that can be further modified at the azido-groups using Staudinger ligation or Click-chemistry. This material can be used as a building block for dendrimeric structures.
Code Name Synonym
ET-127 Azido diglycine.DCHA N-(2-azidoacetyl)-glycine DCHA salt // azido diglycine DCHA salt // azido glycylglycine DCHA salt // N3-diglycine.DCHA // 2-(2-azidoacetamido)acetic acid dicyclohexylamine salt
CAS 855750-87-7 (net) /upload/more_svg/small/small_et-127.svg
Formula C16H29N5O3
MW 339.4
Purity >98%
Storage +2 ... +8 °C
Note N3-Gly-Gly is used as a linker that can be further modified at the azido-position using Staudinger ligation or Click-chemistry. ACS Macro Letters (2014), 3(3), 291-294.  DOI:10.1021/mz5000575.
Code Name Synonym
ET-128 Azido triglycine N-(2-azidoacetyl)-glycylglycine // azido triglycine // azido glycylglycylglycine // N3-triglycine // 2-[2-(2-azidoacetamido)acetamido]acetic acid
CAS 1993176-75-2 /upload/more_svg/small/small_et-128.svg
Formula C6H9N5O4
MW 215.2
Purity >98%
Storage +2 ... +8 °C
Note N3-Gly-Gly-Gly is used as a linker that can be further modified at the azido-position using Staudinger ligation or Click-chemistry.
Code Name Synonym
ET-130 Azido pentaglycine azidoacetyl tetraglycine // N3-Gly-Gly-Gly-Gly-Gly-OH // N3-(Gly)5-OH // N3-GGGGG-OH // 2-(2-{2-[2-(2-azidoacetamido)acetamido]acetamido}acetamido)acetic acid
CAS 2250433-77-1 /upload/more_svg/small/small_et-130.svg
Formula C10H15N7O6
MW 329.3
Purity >98%
Storage +2 ... +8 °C

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