1-Ethyl-2-methylindole
1-Ethyl-2-methylindole (CAS: 40876-94-6, Formula: C11H13N, MW: 159.23) is a fine chemical intermediate. It is primarily utilised in chemical synthesis, particularly for the construction of heterocyclic indole compounds. With a purity of 97%, this compound serves as a valuable building block in organic chemistry research and development, offering specific structural features for the creation of novel molecules. Its physical properties include a refractive index of n20/D 1.587, a boiling point of 266-267 °C, and a density of 1.02 g/mL at 25 °C.

Heterocyclic Indole Synthesis
1-Ethyl-2-methylindole acts as a key building block for synthesising complex heterocyclic indole derivatives. Its structure allows for further functionalisation and incorporation into larger molecular frameworks.
Organic Synthesis Intermediate
This compound is employed in various organic synthesis pathways where an indole core with specific ethyl and methyl substitutions is required. It facilitates the development of new chemical entities.
Chemical Research and Development
Utilised in academic and industrial research labs, 1-Ethyl-2-methylindole supports the exploration of new chemical reactions and the discovery of novel compounds with potential applications in materials science or pharmaceuticals.
| Molecular weight | 159.23 |
|---|---|
| Empirical formula | C11H13N |
| Assay | 97% |
| Boiling point | 266-267 °C(lit.) |
| Density | 1.02 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.587(lit.) |
| Application | 1-Ethyl-2-methylindole may be used in synthesis of hetrocyclic indole compounds. |
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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-Ethyl-2-methylindole used for?
+
1-Ethyl-2-methylindole is used in chemical synthesis, particularly for the preparation of heterocyclic indole compounds. It functions as a valuable building block in organic chemistry.
What is the CAS number and formula for 1-Ethyl-2-methylindole?
+
The CAS number is 40876-94-6 and the empirical formula (Hill notation) is C11H13N.
What grade and purity does Tech Serve Solutions supply for 1-Ethyl-2-methylindole?
+
Tech Serve Solutions supplies 1-Ethyl-2-methylindole with an assay of 97%. This is typically considered a technical or research grade, and TSS does not represent it as USP, BP, or EP grade.
How should 1-Ethyl-2-methylindole be handled safely?
+
When handling 1-Ethyl-2-methylindole, it is essential to use appropriate personal protective equipment, including eyeshields and gloves. A respirator filter, such as type N95 (US) or type P1 (EN143), may also be necessary. Users should consult the Safety Data Sheet for comprehensive handling information. It is classified under WGK Germany 3.
Is 1-Ethyl-2-methylindole a controlled substance?
+
The provided data does not indicate that 1-Ethyl-2-methylindole (CAS: 40876-94-6) is a controlled substance.
How is 1-Ethyl-2-methylindole typically packed and exported?
+
Tech Serve Solutions supplies fine chemicals and reagents, and can accommodate various packing and export requirements according to international regulations and customer specifications.
How can I request a quote or sample for 1-Ethyl-2-methylindole?
+
To request a quote or a sample of 1-Ethyl-2-methylindole, please contact the Tech Serve Solutions sales team via our website or by phone, providing the product name and CAS number (40876-94-6).
▶ 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