1-Methylisoquinoline
1-Methylisoquinoline (CAS: 1721-93-3, C10H9N) is a nitrogen-containing heterocyclic aromatic organic compound with a molecular weight of 143.19 g/mol. It is recognised for its role as a valuable building block in organic synthesis. This compound is employed in various research and development applications, particularly within the fields of chemical synthesis and cell biology, serving as a precursor or intermediate in the creation of more complex molecular structures.

Organic Synthesis Intermediate
1-Methylisoquinoline serves as a versatile building block in the synthesis of diverse organic molecules. Its unique structure makes it suitable for incorporation into complex scaffolds, aiding in the development of novel chemical entities.
Research and Development
This compound is utilised in research laboratories for exploring new synthetic pathways and investigating structure-activity relationships. It contributes to advancements in areas such as medicinal chemistry and materials science.
Chemical Synthesis
As a heterocyclic building block, 1-Methylisoquinoline is a key reagent in chemical synthesis, enabling chemists to construct specific molecular architectures for various scientific investigations.
Cell Biology Studies
In cell biology, 1-Methylisoquinoline can be used in studies exploring biological pathways or as a reference compound, contributing to a deeper understanding of cellular processes.
| Molecular weight | 143.19 |
|---|---|
| Empirical formula | C10H9N |
| Assay | 97% |
| Boiling point | 126-128 °C/16 mmHg(lit.) |
| Density | 1.078 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.6140(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 | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 113 °C / 235.4 °F |
| 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.
| Gene Information | human ... CYP2A6(1548)mouse ... Cyp2a5(13087) |
|---|
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 1-Methylisoquinoline used for?
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1-Methylisoquinoline is primarily used as a building block and intermediate in organic synthesis and chemical research, including applications in cell biology.
What is the CAS number and formula for 1-Methylisoquinoline?
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The CAS number for 1-Methylisoquinoline is 1721-93-3, and its empirical formula is C10H9N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Methylisoquinoline with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 1-Methylisoquinoline be handled?
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1-Methylisoquinoline is a warning hazard substance. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, must be used during handling.
Is 1-Methylisoquinoline controlled or scheduled?
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The provided data does not indicate that 1-Methylisoquinoline is a controlled or scheduled substance.
How is 1-Methylisoquinoline packed, shipped, and exported?
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Tech Serve Solutions ensures that 1-Methylisoquinoline is appropriately packed for safe transit and is experienced in exporting chemicals globally. Please contact us for specific shipping and export details.
How can I request a sample or quote for 1-Methylisoquinoline?
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To request a sample or a quote for 1-Methylisoquinoline, please contact our sales department through the website or by phone, providing your specific requirements.
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