Perhydroisoquinoline
Perhydroisoquinoline (CAS 6329-61-9), with the molecular formula C9H17N and a molecular weight of 139.24 g/mol, is a heterocyclic organic compound. It exists as a mixture of cis and trans isomers. This chemical serves as a valuable building block in organic synthesis, particularly within the pharmaceutical industry. Its properties make it useful for creating more complex molecular structures in research and development settings.
- IUPAC
- Decahydroisoquinoline

Pharmaceutical Intermediate
Perhydroisoquinoline is utilised in the synthesis of active pharmaceutical ingredients. Notably, it has been employed in the preparation of nelfinavir mesylate, an antiretroviral drug.
Chemical Synthesis
As a versatile building block, this compound is a key component in the creation of various organic molecules. Its heterocyclic structure lends itself to diverse synthetic pathways in chemical research.
Research and Development
Perhydroisoquinoline is used in laboratory settings for exploring new synthetic routes and developing novel compounds. Its availability aids researchers in advancing chemical science.
| Molecular weight | 139.24 |
|---|---|
| Empirical formula | C9H17N |
| Assay | 96% |
| Boiling point | 211-214 °C(lit.) |
| Density | 0.936 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.4904(lit.) |
| Application | Perhydroisoquinoline has been used in the synthesis of nelfinavir mesylate1. |
| Composition | (mixture of cis and trans) |

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 | 79 °C / 174.2 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| 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 Perhydroisoquinoline used for?
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Perhydroisoquinoline is used as a building block in chemical synthesis, particularly for pharmaceutical intermediates such as nelfinavir mesylate.
What is the CAS number and formula for Perhydroisoquinoline?
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The CAS number for Perhydroisoquinoline is 6329-61-9, and its molecular formula is C9H17N.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Perhydroisoquinoline with an assay of 96%. We do not represent this product as meeting any pharmacopoeia standards (e.g., USP, BP, EP).
What are the safety considerations when handling Perhydroisoquinoline?
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Perhydroisoquinoline is classified with GHS07 signal word 'Warning', with hazards H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment, including eyeshields and gloves, is required.
How is Perhydroisoquinoline shipped and exported?
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Tech Serve Solutions is a global supplier and exporter of fine chemicals, including Perhydroisoquinoline, adhering to all relevant shipping and export regulations.
How can I request a sample or quote for Perhydroisoquinoline?
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To request a sample or obtain a quote for Perhydroisoquinoline, please contact our sales team through the website or by phone.
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