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TCI

CAS 530-62-1

1,1'-Carbonyldiimidazole [Coupling Agent for Peptides Synthesis] TCI C0119

1,1'-Carbonyldiimidazole [Coupling Agent for Peptides Synthesis] TCI C0119

Chemical Identity

Other names
CDI · 1,1'-Carbonylbis-1H-imidazole · CDI
CAS No.
530-62-1
PubChem
CID 68263·SID 87565300
Formula
C7H6N4O
Molecular weight
162.15 g/mol
Purity
>97.0%(T)
Storage
0-10°C
Reference databases
ChemSpider·ECHA·Wikipedia
Full identifiers (IUPAC, SMILES, InChIKey)
IUPAC
di(imidazol-1-yl)methanone
SMILES
C1=CN(C=N1)C(=O)N2C=CN=C2
InChIKey
PFKFTWBEEFSNDU-UHFFFAOYSA-N
MDL
MDL00005286
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TCI C0119 1,1'-Carbonyldiimidazole (CAS 530-62-1) is a widely used carbonyl activating agent for peptide and general amide bond formation. It converts carboxylic acids into reactive acyl imidazolides that readily couple with amines, alcohols, and other nucleophiles under mild conditions. Its by-products, imidazole and carbon dioxide, are typically easy to remove, simplifying downstream purification. Supplied by TCI in 5 g, 25 g, and 250 g packs, the reagent is highly moisture sensitive and should be handled under dry, inert conditions.

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