6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride
6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride (CAS: 2328-12-3) is a heterocyclic building block with the molecular formula C11H15NO2 · HCl and a molecular weight of 229.70 g/mol. This compound serves as a key starting material in organic synthesis, particularly for constructing more complex isoquinoline and quinolizidine structures. Its availability from Tech Serve Solutions supports advanced chemical research and development.
- Synonyms
- 3,4-tetrahydroisoquinoline hydrochlorideC11H15NO2 · HCl

Synthesis of Complex Isoquinolines
This tetrahydroisoquinoline derivative is utilised as a foundational component in the multi-step synthesis of advanced isoquinoline compounds, enabling the creation of novel molecular architectures.
Preparation of Quinolizidines
It serves as a valuable starting material for the preparation of quinolizidine ring systems, which are prevalent in various natural products and pharmacologically active molecules.
Organic Synthesis Intermediate
As a functionalised heterocyclic molecule, it acts as a versatile intermediate in diverse organic synthesis pathways, offering opportunities for further chemical modification and elaboration.
| Molecular weight | 229.70 |
|---|---|
| Empirical formula | C11H15NO2 · HCl |
| Assay | 97% |
| Solubility | : soluble25 mg/mL, clear, colorless (1N NaOH in methanol) |
| Application | 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride has been used as starting material for the synthesis of more complex isoquinolines1 and quinolizidines2. |
| Melting point | 260-265 °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 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride used for?
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6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride is used as a starting material for the synthesis of more complex isoquinolines and quinolizidines.
What are the CAS number and formula for this compound?
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The CAS number is 2328-12-3, and the empirical formula is C11H15NO2 · HCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of 97%. This product is intended for research and chemical synthesis purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride be handled?
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This compound may cause skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask type N95 (US). Ensure adequate ventilation.
Is this product available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride.
How can I request a sample or quote?
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Please contact our sales team via the website or phone to request a sample or a detailed quotation for 6,7-Dimethoxy-1,2,3,4-tetrahydroisoquinoline hydrochloride.
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