4-Methoxy-3-pyrrolin-2-one
4-Methoxy-3-pyrrolin-2-one (CAS: 69778-83-2), with the molecular formula C5H7NO2 and a molecular weight of 113.11 g/mol, is a heterocyclic compound. It serves as a valuable building block in organic synthesis, particularly within the realm of chemical research and the development of novel compounds. Its defined structure makes it suitable for incorporation into more complex molecular architectures.

Organic Synthesis Intermediate
This compound functions as a key intermediate in multi-step organic syntheses. Its pyrroline structure offers versatile reactivity for creating new chemical entities.
Heterocyclic Chemistry
As a pyrroline derivative, it is useful in the synthesis of various nitrogen-containing heterocyclic compounds, which are common motifs in pharmaceuticals and agrochemicals.
Research and Development
Utilised in academic and industrial research laboratories for exploring new synthetic pathways and developing novel materials or biologically active molecules.
| Molecular weight | 113.11 |
|---|---|
| Empirical formula | C5H7NO2 |
| Assay | 99% |
| Melting point | 129-132 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-3-pyrrolin-2-one used for?
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4-Methoxy-3-pyrrolin-2-one is primarily used as a building block in organic synthesis and in heterocyclic chemistry for research and development purposes.
What are the CAS number and formula for 4-Methoxy-3-pyrrolin-2-one?
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The CAS number is 69778-83-2 and the molecular formula is C5H7NO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Methoxy-3-pyrrolin-2-one with an assay of 99%. It is supplied as a laboratory or technical grade and is not represented as USP, BP, or EP grade.
How should 4-Methoxy-3-pyrrolin-2-one be handled?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves. Avoid breathing dust. Ensure adequate ventilation. It is classified with GHS07 signal word Warning, with hazard statements H315, H319, and H335, indicating it may cause skin irritation, serious eye irritation, and respiratory irritation.
Can I request a sample or quote for 4-Methoxy-3-pyrrolin-2-one?
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Yes, you can request a sample or a quote for 4-Methoxy-3-pyrrolin-2-one by contacting our sales team through the website or by phone.
How is 4-Methoxy-3-pyrrolin-2-one exported?
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Tech Serve Solutions exports 4-Methoxy-3-pyrrolin-2-one globally, adhering to all necessary regulations for chemical transport.
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