4,5-Dimethoxy-2-nitrocinnamic acid
4,5-Dimethoxy-2-nitrocinnamic acid (CAS 20567-38-8) is a nitro-substituted aromatic carboxylic acid with the molecular formula O2NC6H2(OCH3)2CH=CHCO2H and a molecular weight of 253.21 g/mol. This compound serves as a valuable building block in organic synthesis. Its structure, featuring methoxy and nitro substituents on a cinnamic acid backbone, allows for diverse chemical transformations, making it useful in the development of more complex molecules for research and industrial applications.
- Synonyms
- O2NC6H2(OCH3)2CH=CHCO2H

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. Its functional groups enable participation in various coupling and modification reactions critical for drug discovery and materials science.
Research and Development
Employed in academic and industrial R&D settings for the exploration of novel synthetic pathways and the creation of new chemical entities. Its specific structure is often leveraged in medicinal chemistry research.
Building Block for Specialty Chemicals
Serves as a foundational component for the construction of speciality chemicals and advanced intermediates. The compound's reactivity profile supports its use in multi-step synthetic processes.
| Molecular weight | 253.21 |
|---|---|
| Linear formula | O2NC6H2(OCH3)2CH=CHCO2H |
| Assay | 97% |
| Melting point | 293 °C (dec.)(lit.) |
| 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 4,5-Dimethoxy-2-nitrocinnamic acid used for?
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4,5-Dimethoxy-2-nitrocinnamic acid is primarily used as a building block and intermediate in organic synthesis, particularly in research and development for creating more complex molecules.
What is the CAS number and molecular formula for 4,5-Dimethoxy-2-nitrocinnamic acid?
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The CAS number is 20567-38-8, and the molecular formula is O2NC6H2(OCH3)2CH=CHCO2H.
What grade and purity does Tech Serve Solutions supply for 4,5-Dimethoxy-2-nitrocinnamic acid?
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Tech Serve Solutions supplies 4,5-Dimethoxy-2-nitrocinnamic acid with an assay of 97%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.
What are the safety and handling considerations for 4,5-Dimethoxy-2-nitrocinnamic acid?
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This compound has a WGK Germany rating of 3, indicating a high hazard. It is essential to use appropriate personal protective equipment, including eyeshields and gloves, and a type N95 (US) or type P1 (EN143) respirator filter when handling.
Is 4,5-Dimethoxy-2-nitrocinnamic acid controlled or scheduled?
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The provided data does not indicate that 4,5-Dimethoxy-2-nitrocinnamic acid is a controlled or scheduled substance.
How is 4,5-Dimethoxy-2-nitrocinnamic acid packed, shipped, and exported?
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Tech Serve Solutions, as a specialist global supplier and exporter since 1998, handles the packing, shipping, and export of fine chemicals like 4,5-Dimethoxy-2-nitrocinnamic acid in compliance with international regulations.
How can I request a quote or sample for 4,5-Dimethoxy-2-nitrocinnamic acid?
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To request a quote or sample for 4,5-Dimethoxy-2-nitrocinnamic acid, please contact our sales department through the details provided on the Tech Serve Solutions website.
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