(1S,2S,5R)-(+)-Neomenthol
(1S,2S,5R)-(+)-Neomenthol (CAS: 2216-52-6) is a chiral alcohol with a molecular weight of 156.27 g/mol. This organic compound, a stereoisomer of menthol, is valued for its specific spatial arrangement of atoms. It serves as a crucial chiral building block in asymmetric synthesis and general chemical synthesis, enabling the creation of complex molecules with defined stereochemistry. Available from Tech Serve Solutions, it is supplied with an assay of ≥95%.
- IUPAC
- (+)-Neomenthol,(1S,2S,5R)-2-Isopropyl-5-methylcyclohexanol,D-Neomenthol,[1S-(1β,2β,5α)]-5-Methyl-2-(1-methylethyl)cyclohexanol
- Synonyms
- (1S,2S,5R)-(+)-NeomentholD-Neomenthol(1S,2S,5R)-2-Isopropyl-5-methylcyclohexanol[1S-(1β,2β,5α)]-5-Methyl-2-(1-methylethyl)cyclohexanol

Chiral Synthesis
(1S,2S,5R)-(+)-Neomenthol functions as a valuable chiral auxiliary or starting material in asymmetric synthesis. Its defined stereochemistry allows for the stereoselective construction of complex organic molecules.
Organic Building Block
As a versatile organic building block, this neomenthol isomer can be incorporated into various synthetic pathways. It is utilised in research and development for novel compound creation.
Fine Chemical Intermediate
It serves as an intermediate in the synthesis of more complex fine chemicals and potentially pharmaceutical precursors. Its specific chiral properties are often essential for the target molecule's activity.
| Molecular weight | 156.27 |
|---|---|
| Empirical formula | C10H20O |
| Assay | ≥95% |
| Boiling point | 95 °C/12 mmHg(lit.) |
| Density | 0.899 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.461(lit.) |
| Optical activity | [α]22/D +17.3°, neat |
| Melting point | −22 °C(lit.) |
| Vapour pressure | 0.8 mmHg (20 °C) |
| Storage temperature | 2-8°C |


Hazard statements
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 83 °C / 181.4 °F |
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 37/38-41 |
| 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 (1S,2S,5R)-(+)-Neomenthol primarily used for?
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This compound is primarily used as a chiral building block in asymmetric synthesis and organic chemical synthesis, enabling the stereoselective creation of complex molecules.
What are the CAS number and formula for (1S,2S,5R)-(+)-Neomenthol?
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The CAS number is 2216-52-6 and the empirical formula is C10H20O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (1S,2S,5R)-(+)-Neomenthol with an assay of ≥95%. We do not represent this product as USP, BP, or EP grade.
What are the safety and handling considerations for (1S,2S,5R)-(+)-Neomenthol?
+
This compound is classified with Danger signal word, with hazards including skin irritation (H315), serious eye damage (H318), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields and suitable gloves, should be worn, and handling should occur in a well-ventilated area.
How is (1S,2S,5R)-(+)-Neomenthol packed, shipped, and exported?
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As a global supplier and exporter, Tech Serve Solutions ensures secure packaging suitable for international shipment of chemicals, adhering to relevant transport regulations.
How can I request a sample or quote for (1S,2S,5R)-(+)-Neomenthol?
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To request a sample or obtain a quotation, please contact our sales team through the website or by phone, providing your specific requirements.
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