3-Methoxybenzoyl chloride
3-Methoxybenzoyl chloride (CAS: 1711-05-3), with the linear formula CH3OC6H4COCl and a molecular weight of 170.59 g/mol, is an organic acid halide. It serves as a valuable intermediate and building block in organic synthesis. Its reactivity makes it suitable for introducing the 3-methoxybenzoyl group into various organic molecules, finding application in the development of pharmaceuticals and other fine chemicals.
- IUPAC
- m-Anisoyl chloride
- Synonyms
- m-Anisoyl chloride

Organic Synthesis Intermediate
3-Methoxybenzoyl chloride is a key reagent in the synthesis of complex organic molecules. It is used to introduce the 3-methoxybenzoyl moiety, a functional group important in the preparation of various chemical entities.
Pharmaceutical Precursor
This compound acts as a building block in the pharmaceutical industry for the creation of active pharmaceutical ingredients (APIs). Its structure allows for further derivatization to produce target drug molecules.
Research and Development
In academic and industrial research settings, 3-Methoxybenzoyl chloride is employed for exploring new synthetic pathways and developing novel compounds with potential applications in materials science and medicinal chemistry.
| Molecular weight | 170.59 |
|---|---|
| Linear formula | CH3OC6H4COCl |
| Assay | 99% |
| Boiling point | 123-125 °C/15 mmHg(lit.) |
| Density | 1.214 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.558(lit.) |


Hazard statements
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 92 °C / 197.6 °F |
| Transport (UN / ADR) | UN 1729 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34-36/37 |
| Safety statements (S) | 26-36/37/39-45 |
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 3-Methoxybenzoyl chloride used for?
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3-Methoxybenzoyl chloride (CAS: 1711-05-3) is primarily used as an intermediate and building block in organic synthesis, particularly in the development of pharmaceuticals and other fine chemicals.
What is the CAS number and chemical formula for 3-Methoxybenzoyl chloride?
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The CAS number for 3-Methoxybenzoyl chloride is 1711-05-3, and its linear chemical formula is CH3OC6H4COCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Methoxybenzoyl chloride with an assay of 99%. This is a technical or research grade chemical and is not represented as USP, BP, or EP.
What are the primary hazards associated with 3-Methoxybenzoyl chloride?
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3-Methoxybenzoyl chloride is classified as Danger, with hazard statements H314 (Causes severe skin burns and eye damage) and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, is essential during handling.
How is 3-Methoxybenzoyl chloride packed, shipped, and exported?
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3-Methoxybenzoyl chloride is packed and shipped according to UN 1729, Class 8, Packing Group II regulations. Tech Serve Solutions has extensive experience in exporting chemicals globally.
How can I request a quote or sample of 3-Methoxybenzoyl chloride?
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To request a quote or sample of 3-Methoxybenzoyl chloride, please contact our sales team via the website or provide your details through the 'Request Quote' or 'Request Sample' sections.
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