(R)-(+)-1-Octyn-3-ol
(R)-(+)-1-Octyn-3-ol (CAS: 32556-70-0), with the molecular formula CH3(CH2)4CH(OH)C≡CH and a molar mass of 126.20 g/mol, is a chiral secondary alcohol. It is primarily utilised as a key intermediate in the synthesis of prostaglandins. This optically active compound serves as a valuable building block in asymmetric synthesis and organic chemistry research.

Prostaglandin Synthesis
Serves as a crucial intermediate in the laboratory synthesis of various prostaglandins, which are biologically active lipid compounds. Its chiral nature is essential for constructing the specific stereochemistry required for these complex molecules.
Asymmetric Synthesis
As a chiral building block, (R)-(+)-1-Octyn-3-ol is employed in asymmetric synthesis to introduce stereocentres in target molecules. This is vital for the development of enantiomerically pure pharmaceuticals and fine chemicals.
Organic Building Block
This compound functions as a versatile organic building block in complex molecule synthesis. Its combination of an alkyne and a chiral secondary alcohol functional group allows for diverse chemical transformations.
| Molecular weight | 126.20 |
|---|---|
| Linear formula | CH3(CH2)4CH(OH)C≡CH |
| Assay | 99% |
| Boiling point | 100 °C/20 mmHg(lit.) |
| Density | 0.864 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.442(lit.) |
| Optical activity | [α]20/D +6.5°, c = 2 in methylene chloride |
| Optical purity | ee: 98% (GLC) |
| Application | Key intermediate for the synthesis of prostaglandins.1,2,3 |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H332Harmful if inhaled
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 64 °C / 147.2 °F |
| Transport (UN / ADR) | UN 2810 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22 |
| Safety statements (S) | 27-36/37/39-45 |
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 (R)-(+)-1-Octyn-3-ol used for?
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(R)-(+)-1-Octyn-3-ol is used as a key intermediate in the synthesis of prostaglandins and as a chiral building block in asymmetric and organic synthesis.
What is the CAS number and molecular formula for (R)-(+)-1-Octyn-3-ol?
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The CAS number is 32556-70-0 and the molecular formula is CH3(CH2)4CH(OH)C≡CH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (R)-(+)-1-Octyn-3-ol with an assay of 99%. We do not represent this product as meeting any pharmacopoeia standards such as USP, BP, or EP.
How should (R)-(+)-1-Octyn-3-ol be handled safely?
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(R)-(+)-1-Octyn-3-ol is harmful if swallowed, in contact with skin, or if inhaled. Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection (e.g., ABEK type respirator filter), should be used. Handle in a well-ventilated area.
How is (R)-(+)-1-Octyn-3-ol packed and exported?
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(R)-(+)-1-Octyn-3-ol is packed according to industry standards for safe transportation and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for (R)-(+)-1-Octyn-3-ol?
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To request a sample or quote, please contact our sales team through the website or by phone, providing the product name and CAS number (32556-70-0).
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