1-Methoxy-1,3-cyclohexadiene
1-Methoxy-1,3-cyclohexadiene (CAS: 2161-90-2) is a versatile organic compound with the molecular formula C7H10O and a molecular weight of 110.15 g/mol. As a key building block, it is primarily utilised in chemical synthesis, particularly in the creation of complex organic molecules. Its enol ether functionality makes it a valuable intermediate in various synthetic pathways, contributing to the development of novel compounds.
- IUPAC
- 2,3-Dihydroanisole
- Synonyms
- 2,3-Dihydroanisole

Diels-Alder Reactions
1-Methoxy-1,3-cyclohexadiene has been employed as a dienophile in Diels-Alder reactions. This application was demonstrated in the synthesis of tetracyclic polyhydroxyquinones, showcasing its utility in constructing complex fused ring systems.
Organic Synthesis Intermediate
As an enol ether and an organic building block, this compound serves as a valuable intermediate in diverse organic synthesis pathways. It facilitates the introduction of specific structural motifs into target molecules.
Research and Development
This chemical is utilised in research laboratories for the exploration of new synthetic methodologies and the creation of novel chemical entities. Its unique structural features lend themselves to advanced chemical investigations.
| Molecular weight | 110.15 |
|---|---|
| Empirical formula | C7H10O |
| Assay | 65% |
| Boiling point | 40 °C/15 mmHg(lit.) |
| Density | 0.929 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.488(lit.) |
| Application | 1-Methoxy-1,3-cyclohexadiene was used in the synthesis of tetracyclic polyhydroxyquinones via Diels-Alder reaction1. |


Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 27 °C / 80.6 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-20/21/22 |
| Safety statements (S) | 16-33-36/37/39 |
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-Methoxy-1,3-cyclohexadiene used for?
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1-Methoxy-1,3-cyclohexadiene is used as a building block in chemical synthesis, particularly noted for its application in Diels-Alder reactions for constructing complex molecules like tetracyclic polyhydroxyquinones.
What is the CAS number and formula for 1-Methoxy-1,3-cyclohexadiene?
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The CAS number for 1-Methoxy-1,3-cyclohexadiene is 2161-90-2, and its empirical formula is C7H10O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Methoxy-1,3-cyclohexadiene with a minimum assay of 65%. This product is supplied for research and manufacturing purposes and is not represented as USP, BP, EP, or pharmaceutical grade.
What are the safety considerations for handling 1-Methoxy-1,3-cyclohexadiene?
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1-Methoxy-1,3-cyclohexadiene is a flammable liquid and vapour (H226) and is harmful if swallowed (H302), in contact with skin (H312), or if inhaled (H332). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, must be used in a well-ventilated area. It has a flash point of 27 °C (80.6 °F).
How is 1-Methoxy-1,3-cyclohexadiene packed, shipped, and exported?
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Tech Serve Solutions exports chemicals globally, adhering to all relevant shipping regulations for hazardous materials. Detailed packing and shipping information is available upon request.
How can I request a sample or quote for 1-Methoxy-1,3-cyclohexadiene?
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To request a sample or a quote for 1-Methoxy-1,3-cyclohexadiene, please contact our sales department through the website or by phone.
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