4-Methoxy-1-naphthonitrile
4-Methoxy-1-naphthonitrile (CAS 5961-55-7), with the molecular formula C11H7NO and a molecular weight of 183.21, is a key organic building block and chemical intermediate. It is primarily utilised in the synthesis of more complex organic molecules and specialised chemical compounds. This nitrile derivative, featuring a naphthalene core with a methoxy and a cyano substituent, serves as a valuable precursor in various chemical research and development applications, particularly in the fields of organic synthesis and materials science.
- IUPAC
- 1-Cyano-4-methoxynaphthalene
- Synonyms
- 1-Cyano-4-methoxynaphthalene

Synthesis of Cyclobutane Derivatives
4-Methoxy-1-naphthonitrile has been employed in the preparation of complex polycyclic structures, such as 1(endo),8b-dicyano-4-methoxy-1,2,2a-trihydrocyclobuta[a]naphthalene, demonstrating its utility in constructing fused ring systems.
Precursor for Heterocyclic Compounds
This compound serves as a starting material for the synthesis of nitrogen-containing heterocycles, including substituted azocin-2(1H)-ones, which are important scaffolds in medicinal chemistry.
Organic Building Block
As a functionalised naphthalene derivative, 4-Methoxy-1-naphthonitrile is a versatile building block for organic synthesis, enabling the introduction of both methoxy and nitrile functionalities into target molecules.
| Molecular weight | 183.21 |
|---|---|
| Linear formula | CH3OC10H6CN |
| Assay | 99% |
| Application | 4-Methoxy-1-naphthonitrile was used in the preparation of 1(endo),8b-dicyano-4-methoxy-1,2,2a-trihydrocyclobuta[a]naphthalene1. It was also used to synthesize substituted azocin-2(1H)-ones2. |
| Melting point | 100-102 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| 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 4-Methoxy-1-naphthonitrile used for?
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4-Methoxy-1-naphthonitrile is primarily used as an organic building block and chemical intermediate in the synthesis of more complex organic molecules, including cyclobutane derivatives and heterocyclic compounds like substituted azocin-2(1H)-ones.
What is the CAS number and molecular formula for 4-Methoxy-1-naphthonitrile?
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The CAS number is 5961-55-7, and the molecular formula is C11H7NO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Methoxy-1-naphthonitrile with a minimum assay of 99%. This is a technical/research grade material and is not supplied as USP, BP, EP, or any other pharmacopoeia grade.
How should 4-Methoxy-1-naphthonitrile be handled safely?
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4-Methoxy-1-naphthonitrile is harmful if swallowed, in contact with skin, or if inhaled. When handling, it is essential to wear a dust mask type N95 (US), eyeshields, and gloves. Ensure adequate ventilation and avoid dust formation.
Is 4-Methoxy-1-naphthonitrile a controlled substance?
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Based on the provided data, there is no indication that 4-Methoxy-1-naphthonitrile (CAS 5961-55-7) is a controlled substance.
How can I request a quote or sample for 4-Methoxy-1-naphthonitrile?
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To request a quote or a sample of 4-Methoxy-1-naphthonitrile, please contact the Tech Serve Solutions sales department via our website or direct email, providing your contact details and intended use.
Does TSS export 4-Methoxy-1-naphthonitrile?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 4-Methoxy-1-naphthonitrile.
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