1,1′-Carbonylbis(2-methylimidazole)
1,1′-Carbonylbis(2-methylimidazole) (CAS: 13551-83-2), with a molecular formula of C9H10N4O and a molecular weight of 190.20 g/mol, is a valuable imidazole derivative. It functions as a versatile coupling reagent and activating agent in organic synthesis. This compound is primarily utilised in chemical research and development for the formation of amide and ester bonds, and in the synthesis of complex heterocyclic structures.
- IUPAC
- 2,2′-Dimethyl-1,1′-carbonyldiimidazole
- Synonyms
- 2,2′-Dimethyl-1,1′-carbonyldiimidazole

Coupling Reagent in Organic Synthesis
1,1′-Carbonylbis(2-methylimidazole) serves as an efficient coupling agent for the synthesis of amides and esters. It activates carboxylic acids, facilitating their reaction with amines and alcohols under mild conditions.
Synthesis of Heterocyclic Compounds
This imidazole derivative is a useful building block for constructing complex heterocyclic frameworks. Its structure lends itself to various cyclisation reactions and the preparation of nitrogen-containing organic molecules.
Research and Development
Utilised in laboratory settings for exploring new synthetic pathways and developing novel compounds. Its reactivity profile makes it a useful tool for medicinal chemists and material scientists.
| Molecular weight | 190.20 |
|---|---|
| Empirical formula | C9H10N4O |
| Assay | 97% |
| Melting point | 218-220 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1,1′-Carbonylbis(2-methylimidazole) used for?
+
1,1′-Carbonylbis(2-methylimidazole) is primarily used as a coupling reagent in organic synthesis for the formation of amide and ester bonds, and as a building block for heterocyclic compounds in research and development.
What is the CAS number and formula for 1,1′-Carbonylbis(2-methylimidazole)?
+
The CAS number is 13551-83-2, and the empirical formula (Hill Notation) is C9H10N4O.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 1,1′-Carbonylbis(2-methylimidazole) with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling considerations for this chemical?
+
This compound is a Warning chemical (GHS07) that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, and gloves, must be used. Handle in a well-ventilated area.
Is this chemical available for export?
+
Yes, Tech Serve Solutions specialises in global supply and export of fine chemicals, including 1,1′-Carbonylbis(2-methylimidazole).
How can I request a quote or sample?
+
Please contact our sales department via the website or directly by phone to request a quotation or a sample of 1,1′-Carbonylbis(2-methylimidazole).
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis