2,4-Dimethoxyphenyl isocyanate
2,4-Dimethoxyphenyl isocyanate (CAS: 84370-87-6) is an organic compound with the molecular formula (CH3O)2C6H3NCO and a molar mass of 179.17 g/mol. This isocyanate derivative serves as a valuable building block in organic synthesis. It has been notably employed in the preparation of pyrrolo[3,2-d]pyrimidines, highlighting its utility in heterocyclic chemistry and the development of complex molecular architectures.
- Synonyms
- (CH3O)2C6H3NCO

Synthesis of Pyrrolo[3,2-d]pyrimidines
2,4-Dimethoxyphenyl isocyanate is a key reagent utilized in the synthesis of pyrrolo[3,2-d]pyrimidine derivatives. This application is crucial in medicinal chemistry for developing potential therapeutic agents.
Organic Building Block
As a functionalised aromatic isocyanate, this compound acts as a versatile building block in various organic synthesis pathways. Its reactivity allows for the introduction of specific chemical moieties into larger molecules.
Chemical Synthesis Research
The compound is employed in academic and industrial research laboratories for exploring novel synthetic routes and developing new chemical entities. Its utility spans across different areas of chemical research.
| Molecular weight | 179.17 |
|---|---|
| Linear formula | (CH3O)2C6H3NCO |
| Assay | 97% |
| Boiling point | 140 °C/11 mmHg(lit.) |
| Application | 2,4-Dimethoxyphenyl isocyanate has been used in the preparation of pyrrolo[3,2-d]pyrimidines1. |
| Melting point | 30 °C(lit.) |


Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38-42 |
| Safety statements (S) | 26-36/37/39 |
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 2,4-Dimethoxyphenyl isocyanate used for?
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2,4-Dimethoxyphenyl isocyanate is used as a building block in organic synthesis, notably in the preparation of pyrrolo[3,2-d]pyrimidines.
What is the CAS number and chemical formula for 2,4-Dimethoxyphenyl isocyanate?
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The CAS number is 84370-87-6, and the chemical formula is (CH3O)2C6H3NCO.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,4-Dimethoxyphenyl isocyanate with a minimum purity of 97%. This product is intended for research and chemical synthesis applications and is not represented as USP, BP, or EP grade.
How should 2,4-Dimethoxyphenyl isocyanate be handled safely?
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Due to its hazardous nature (Danger), 2,4-Dimethoxyphenyl isocyanate should be handled with appropriate personal protective equipment including a dust mask (N95), eyeshields, face shield, and gloves. It is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation. It may also cause respiratory irritation and allergic reactions in susceptible individuals. Ensure adequate ventilation and avoid breathing dust/fumes.
Is 2,4-Dimethoxyphenyl isocyanate available for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and can export 2,4-Dimethoxyphenyl isocyanate worldwide, adhering to all necessary regulations.
How can I request a quote or sample?
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To request a quote or a sample of 2,4-Dimethoxyphenyl isocyanate, please visit the Tech Serve Solutions website or contact our sales team directly.
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