(2E)-Crotyl 1H-imidazole-1-carboxylate
(2E)-Crotyl 1H-imidazole-1-carboxylate (CAS: 104208-01-7, C8H10N2O2) is a chemical reagent with a molecular weight of 166.18 g/mol. It is primarily utilised in chemical synthesis, particularly within the categories of Heller-Sarpong Reagents and Protecting and Derivatizing Reagents. This compound serves as a valuable tool for organic chemists in various derivatization and protection strategies.
- IUPAC
- 1H-Imidazole-1-carboxylic acid (2E-2-buten-1yl ester,trans-Crotylimidazolecarbamate,Sarpong Crotyl transesterification reagent

Heller-Sarpong Reagent
This compound functions as a specific reagent within the Heller-Sarpong methodology. It is employed for particular synthetic transformations requiring the introduction or modification of functional groups.
Protecting and Derivatizing Agent
As a protecting and derivatizing reagent, (2E)-Crotyl 1H-imidazole-1-carboxylate is utilised to temporarily mask reactive functional groups during complex syntheses. It also facilitates the formation of derivatives for analytical purposes.
Chemical Synthesis Intermediate
It serves as an intermediate in the broader field of chemical synthesis, enabling the construction of more complex molecular architectures. Its specific reactivity profile makes it suitable for targeted synthetic routes.
| Molecular weight | 166.18 |
|---|---|
| Empirical formula | C8H10N2O2 |
| Assay | 95% |
| Boiling point | 122.7-139 °C/760 mmHg (decomposition) |
| Density | 1.107 g/mL at 25 °C |
| Refractive index | n20/D 1.496 |
| Storage temperature | 2-8°C |

Hazard statements
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Flash point | >110 °C / >230 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 43 |
| Safety statements (S) | 36 |
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 (2E)-Crotyl 1H-imidazole-1-carboxylate used for?
+
(2E)-Crotyl 1H-imidazole-1-carboxylate is used as a reagent in chemical synthesis, specifically as a Heller-Sarpong reagent and a protecting and derivatizing agent.
What are the CAS number and formula for (2E)-Crotyl 1H-imidazole-1-carboxylate?
+
The CAS number is 104208-01-7 and the empirical formula is C8H10N2O2.
What grade and purity does Tech Serve Solutions supply for (2E)-Crotyl 1H-imidazole-1-carboxylate?
+
Tech Serve Solutions supplies (2E)-Crotyl 1H-imidazole-1-carboxylate with an assay of 95%. This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should (2E)-Crotyl 1H-imidazole-1-carboxylate be handled and stored?
+
This compound is classified with a GHS07 symbol and a Warning signal word, with hazard statement H317 (May cause an allergic skin reaction). It should be handled with appropriate personal protective equipment (PPE) such as gloves (P280). Recommended storage is at 2-8°C.
Is (2E)-Crotyl 1H-imidazole-1-carboxylate a controlled substance?
+
The provided data does not indicate that (2E)-Crotyl 1H-imidazole-1-carboxylate is a controlled substance.
How can I request a sample or a quote for (2E)-Crotyl 1H-imidazole-1-carboxylate?
+
Please contact our sales team directly or use the inquiry form on our website to request a sample or a quote for (2E)-Crotyl 1H-imidazole-1-carboxylate. We are happy to assist with your research and bulk requirements.
How is (2E)-Crotyl 1H-imidazole-1-carboxylate packed, shipped, and exported?
+
Tech Serve Solutions packs, ships, and exports (2E)-Crotyl 1H-imidazole-1-carboxylate according to international regulations for chemical products, ensuring safe and compliant delivery worldwide. Specific packaging details are available upon request.
▶ 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