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013519
4,5-Dicyanoimidazole
CAS Number: 1122-28-7
Molecular Formula: C5H2N4
Molecular Weight: 118.10
MDL Number: MFCD00005194
Structure of 4,5-Dicyanoimidazole
Product Number Your Price Order
013519-25g
 $49.00 
In stock
013519-100g
 $150.00 
In stock
Peptide and oligonucleotides reagents. Commonly used in activation of nucleoside phosphoramidites during solid-phase oligonucleotide synthesis 1, synthesis of nucleoside phosphoramidites 2, synthesis of novel nucleosides 3,4, synthesis of 1-alkyl dicyanoimidazole derivatives and as a precursor to 2-bromo-4,5-dicyanoimidazole 5.  It is an alternative to the tetrazole-based activators and is less acidic but is a much more nucleophilic activator. 

1. Nucleic Acid Res. 1998, 26, 1046.
2. Tetrahedron Lett1996, 37, 973.
3. J. Am. Chem. Soc. 2009, 131, 8496
4. Nucleosides & Nucleotides 1994, 13, 2307
5. Encyclopedia of Reagents for Organic Synthesis, 2001
Properties
Purity: 99%
Bp:
Mp: 173-175°
Density:
Refractive Index:
Safety
RTECS:
Risk Statements:
Safety Statements:
MSDS: See MSDS