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Code Name Synonym
DI-113 N3-PEG(4)-NH2 11-azido-3,6,9-trioxaundecan-1-amine // 1-[2-(2-aminoethoxy)ethoxy]-2-(2- azidoethoxy)ethane // 1-amino-11-azido-3,6,9-trioxaundecane // 2-{2-[2-(2-azidoethoxy)ethoxy]ethoxy}ethylamine // O-(2-aminoethyl)-O′-(2-azidoethyl)diethylene glycol // amino-PEG3-azide // azido-PEG3-amine // 1-azido-3,6,9-trioxaundecan-11-amine
CAS 134179-38-7 /upload/small/small_di-113.svg
Formula C8H18N4O3
MW 218.3
Purity >97%
Storage -15 ... -25 °C
Note N3-PEG3-Amine is used as a Click-chemistry linker in various applications. Nature Nanotechnology (2010), 5(3), 200-203. DOI:10.1038/nnano.2010.5; Nature Materials (2013), 12(8), 741-746. DOI:10.1038/nmat3647; Chem. Comm. (2018), 54(30), 3705-3708. DOI:10.1039/C8CC01195H; Chem. Comm. (2017), 53(43), 5918-5921. DOI:10.1039/C7CC02612A.
Code Name Synonym
DI-114 N3-PEG(5)-NH2 14-azido-3,6,9,12-tetraoxatetradecan-1-amine // 1-amino-14-azido-3,6,9,12-tetraoxaundecane // O-(2-aminoethyl)-O’-(2-azidoethyl)triethylene glycol // amino-PEG4-azide // azido-PEG4-amine
CAS 951671-92-4 /upload/more_svg/small/small_di-114.svg
Formula C10H22N4O4
MW 262.3
Purity >97% (TLC)
Storage -15 ... -25 °C
Note Assay (acidimetry): 92...94%, ballast: KCl
Code Name Synonym
ET-114 4-Azido-2,3,5,6-tetrafluorobenzoic acid 4-Azido-2,3,5,6-tetrafluoro-benzoic acid // AFB // ATFB
CAS 122590-77-6 /upload/more_svg/small/small_ET-114.svg
Formula C7HF4N3O2
MW 235.1
Purity >98%
Storage -15 ... -25 °C, protect from light
Code Name Synonym
ET-115 ATFB-AEEA 4-azido-2,3,5,6-tetrafluorobenzoyl-AEEA // N3-TFBA-O2Oc
CAS 1993119-45-1 /upload/more_svg/small/small_ET-115.svg
Formula C13H12F4N4O5
MW 380.3
Purity >98%
Storage +2 - +8 protect from light
Code Name Synonym
ET-116 ATFB-OSu N-Succinimidyl 4-Azido-2,3,5,6-tetrafluorobenzoate // 4-Azido-2,3,5,6-tetrafluorobenzoic Acid N-Succinimidyl Ester // ATFB SE
CAS 126695-58-7 /upload/more_svg/small/small_ET-116.svg
Formula C11H4F4N4O4
MW 332.2
Purity >98%
Storage -15 ... -25 °C, protect from light
Code Name Synonym
ET-177 N3-C7H14-COOSu 8-Azidooctanoic acid NHS ester // 8-Azidodooctanoic acid N-hydroxysuccinimide ester // 8-Azido-octanoic acid NHS ester // 2,5‐dioxopyrrolidin‐1‐yl 8‐azidooctanoate
CAS n/a /upload/small/small_et-177.svg
Formula C12H18N4O4
MW 282.3
Purity >98%
Storage -15 ... -25 °C
Note Used as a building block to introduce 8-azidooctanoic acid (CAS 217180-76-2) fragment. This fragment is used for further modifications using Click-chemistry (CuAAC), as a protected aminogroup or is used in physico-chemical investigations. van Maarseveen, J. H. Angew. Chem. Int. Ed. 2003, 4373, DOI:10.1002/anie.200351930; Ting, A. Y. Nature Biotech. 2007, 1483-1487, DOI:10.1038/nbt1355; Urner, L. H. ChemPhysChem 2019, 1690, DOI:10.1002/cphc.201900334; Rubtsov, I. V. J. Phys. Chem. C 2019, 338
Code Name Synonym
DI-105 1-Azido-4,7,10-trioxa-13-tridecaneamine 1-{2-[2-(3-aminopropoxy)ethoxy]ethoxy}-3-azidopropane // N3-TOTA // 1-azido-4,7,10-trioxatridecane-13-amine
CAS 1162336-72-2 /upload/more_svg/small/small_DI-105.svg
Formula C10H22N4O3
MW 246.3
Purity >98%
Storage +2 ... +8 °C
Code Name Synonym
ET-150 N3-TEMPO 4-azido-TEMPO // 4-Azido-2,2,6,6-tetramethyl-1-piperidinyloxy // 2,2,6,6-Tetramethyl-4-azide-piperidin-1-oxyl // 4-Azido-2,2,6,6-tetramethylpiperidin-1-yloxy
CAS 63697-61-0 /upload/more_svg/small/small_ET-150.svg
Formula C9H17N4O
MW 197.3
Purity >98%
Storage -15 ... -25 °C
Note N3-TEMPO is used as a reagent to attach stable radical TEMPO to other molecules using Staudinger ligation or Click-chemistry. Angew. Chem. Int. Ed. (2015), 54(23), 6814-6818. DOI:10.1002/anie.201501706; J. Am. Chem. Soc. (2017), 139(12), 4258-4261. DOI:10.1021/jacs.7b02648; J. Am. Chem. Soc. (2018), 140(2), 766-774. DOI:10.1021/jacs.7b11628.
Code Name Synonym
DI-104 1-(Boc-amino)-4,7,10-trioxa-13-tridecaneazide tert-butyl N-(3-{2-[2-(3-azidopropoxy)ethoxy]ethoxy}propyl)carbamate // Boc-TOTA-N3
CAS 1162070-33-8 /upload/more_svg/small/small_DI-104.svg
Formula C15H30N4O5
MW 346.4
Purity >98%
Storage +2 ... +8 °C
Code Name Synonym
ET-166 N3-C10H20-COOH 11-Azidoundecanoic acid // 11-Azido-undecanoic acid
CAS 118162-45-1 /upload/small/small_et-166.svg
Formula C11H21N3O2
MW 227.3
Purity >98%
Storage +2 ... +8 °C
Note Used as a hydrophobic bioconjugation linker that can be further modified at the azido-position using Staudinger ligation or Click-chemistry. A substrate of lipoic acid ligase for labeling. Ting, A. Y. et. al. Nature Biotech. 2007, 1483, DOI:10.1038/nbt1355; Leatherbarrow R. J.; Tate E. W. et. al. Org. Biomol. Chem. 2008, 2308, DOI:10.1039/b803258k; Wnuk S. F. et. al. Eur. J. Med. Chem. 2018, 314, DOI:DOI:10.1016/j.ejmech.2018.02.017.

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