Azide Sources - Diazo Transfer

Explore range of organic azides and azide sources for tailor-made organic azides. 

Azides are a class of chemical compounds containing three nitrogen atoms as a group and represented by (-N3). Azides are very versatile and valuable synthetic intermediates, known for their wide variety of applications and have been employed for the synthesis of a number of important heterocyclic compounds. Sigma-Aldrich offers a wide selection of azide sources, from sodium azide to diphenyl phosphoryl azide to facilitate azide synthesis and the preparation of tailor-made organic azides.  

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404764 4-Acetamidobenzenesulfonyl azide 97% C8H8N4O3S
368342   Azide exchange resin, azide on Amberlite® IRA-400 16-50 mesh  
758000 Azidomethyl pivalate 97% C6H11N3O2
155071 Azidotrimethylsilane 95% C3H9N3Si
590274 Benzenesulfonyl azide, functionalized silica gel 40-63 μm, extent of labeling: 0.5-1.0 mmol/g loading C8H8N3O2SSi
572977 Benzenesulfonyl azide, polymer-bound macroporous, 50-100 mesh, extent of labeling: ~1.5 mmol/g loading  
340138 4-Carboxybenzenesulfonazide 97% C7H5N3O4S
11629 Diethyl azodicarboxylate on polystyrene 100-300 mesh, extent of labeling: ~1.2 mmol/g N loading  
561851   Diethyl azodicarboxylate, polymer-bound 100-200 mesh, extent of labeling: 1.0-1.5 mmol/g loading, 1 % cross-linked with divinylbenzene  
761133 N,N-Diethyl-2-cyanoacetoamide 97% C7H12N2O
178756 Diphenyl phosphoryl azide 97% C12H10N3O3P
668168 Diphenylphosphoryl azide, polymer-bound 100-200 mesh, 1 % cross-linked with divinylbenzene  
480525 Lithium azide solution 20 wt. % in H2O LiN3
740411 Potassium azide ≥99.9% trace metals basis KN3
S8032 Sodium azide BioXtra N3Na
S2002 Sodium azide ReagentPlus®, ≥99.5% N3Na
71290 Sodium azide purum p.a., ≥99.0% (T) N3Na
651664 Tetrabutylammonium azide C16H36N4
713589 p-Toluenesulfonyl azide solution 11-15 % (w/w) in toluene, 97% C7H7N3O2S
723045 2,4,6-Triisopropylbenzenesulfonyl azide contains 15 wt. % water as stabilizer, 97% C15H23N3O2S
778443 2,4,6-Triisopropylbenzenesulfonyl azide solution 10%±2% in toluene, ≥98% (HPLC) C15H23N3O2S